Vault-13

TOWER SEMICONDUCTOR LTD TSEM

SHS NEW · Common Stock · CUSIP M87915274

213 institutional holders -10 vs Q4 2022
66,652,30866.7m shares reported held*
60.6% of all shares outstanding*
$2.8bnreported value*
26 new 88 added 55 reduced 36 sold out net bought ≈ $71.4m (+1.3m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($490.5k this quarter). Holder counts are more reliable. Shares outstanding: 110.0m as of 2022-12-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $42.73. Options: 11 managers hold calls ($8.8m notional), 20 hold puts ($86.9m).

Trends to Q1 2023

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 205Q4 22: 223Q1 23: 213213Q3 22Q4 22Q1 23
Numbers
QuarterHolders
Q3 2022205
Q4 2022223
Q1 2023213

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q4 22: 118 bought or addedQ4 22: 90 cut or sold outQ4 22Q1 23: 114 bought or addedQ1 23: 91 cut or sold outQ1 23
Numbers
QuarterBought or addedCut or sold out
Q4 202211890
Q1 202311491

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$25m$50m$75m$100mQ3 22 calls: $11.8mQ3 22 puts: $41.2mQ3 22P/C 3.49Q4 22 calls: $13.5mQ4 22 puts: $92.8mQ4 22P/C 6.86Q1 23 calls: $8.8mQ1 23 puts: $86.9mQ1 23P/C 9.93
Numbers
QuarterCallsPutsP/C
Q3 2022$11.8m$41.2m3.49
Q4 2022$13.5m$92.8m6.86
Q1 2023$8.8m$86.9m9.93

Biggest buyers

Clal Insurance Enterprises Holdings Ltd Added +4,204,362+4.2m
Balyasny Asset Management L.P. New +1,085,593+1.1m
RENAISSANCE TECHNOLOGIES LLC Added +694,500+694.5k
Melqart Asset Management (UK) Ltd Added +599,324+599.3k
JPMORGAN CHASE & CO Added +552,531+552.5k
Segantii Capital Management Ltd Added +526,700+526.7k
Man Group plc New +376,980+377.0k
Bank of New York Mellon Corp Added +279,281+279.3k
Taconic Capital Advisors LP Added +260,000+260.0k
ADAGE CAPITAL PARTNERS GP, L.L.C. Added +259,196+259.2k

Biggest sellers

WELLINGTON MANAGEMENT GROUP LLP Reduced -2,271,043-2.3m
BlackRock Inc. Reduced -1,074,703-1.1m
DEUTSCHE BANK AG\ Reduced -1,047,620-1.0m
Senvest Management, LLC Reduced -700,779-700.8k
FARALLON CAPITAL MANAGEMENT, L.L.C. Reduced -640,000-640.0k
Davidson Kempner Capital Management LP Reduced -599,729-599.7k
Legal & General Group Plc Reduced -579,554-579.6k
CITADEL ADVISORS LLC Reduced -488,228-488.2k
RAMIUS ADVISORS LLC Reduced -368,320-368.3k
Versor Investments LP Reduced -366,628-366.6k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $3.2m75.9k shares
CSS LLC/IL Reduced $2.3m54.4k shares
Walleye Trading LLC Reduced $1.1m26.7k shares
MILLENNIUM MANAGEMENT LLC Reduced $1.1m25.9k shares
Parallax Volatility Advisers, L.P. Unchanged $424.7k10.0k shares
CITADEL ADVISORS LLC Reduced $352.5k8.3k shares
BTG Pactual Global Asset Management Ltd Unchanged $199.6k4.7k shares
Schonfeld Strategic Advisors LLC Unchanged $6.1k10.0k shares
EQUITEC PROPRIETARY MARKETS, LLC Unchanged $4.2k100 shares
Cutler Group LLC / CA Added $2.0k3.3k shares

Biggest puts

Pentwater Capital Management LP Added $51.0m1.2m shares
Maven Securities LTD Added $11.3m266.0k shares
GROUP ONE TRADING LLC Reduced $7.1m167.8k shares
SOROS FUND MANAGEMENT LLC Unchanged $6.4m150.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $3.4m80.4k shares
CAPSTONE INVESTMENT ADVISORS, LLC New $2.1m50.0k shares
Walleye Trading LLC Reduced $1.8m41.5k shares
SIMPLEX TRADING, LLC Reduced $1.0m23.6k shares
EQUITEC PROPRIETARY MARKETS, LLC Unchanged $756.0k17.8k shares
JANE STREET GROUP, LLC Reduced $637.0k15.0k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution new · filed 2026-10-27 6.8% new 7.8m≈ $2.0bn 2026-10-27
PRICE T ROWE ASSOCIATES INC /MD/ 13G · institution new · filed 2026-05-15 6.6% new 7.4m≈ $1.9bn 2026-05-15
MENORA MIVTACHIM HOLDINGS LTD. 13G · passive investor -1.5 pts · filed 2026-02-10 6.2% -1.5 pts 6.9m≈ $1.8bn 2026-02-10
Migdal Insurance & Financial Holdings Ltd. 13G · passive investor -0.5 pts · filed 2026-07-23 6.0% -0.5 pts 6.7m≈ $1.8bn 2026-07-23
Harel Insurance Investments & Financial Services Ltd. 13G · passive investor +0.2 pts · filed 2026-06-15 5.1% +0.2 pts 5.7m≈ $1.5bn 2026-06-15
Phoenix Financial Ltd. 13G · passive investor new · filed 2026-06-09 5.0% new 5.7m≈ $1.5bn 2026-06-09

Fell to 5% or below in the last year: Senvest Management, LLC (3.6%, 2026-02-12)

Insider purchases and sales in Q1 2023

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q1 2023.

Holders, Q1 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Clal Insurance Enterprises Holdings Ltd 3.82% of their portfolio Tel-aviv, L3 6,027,2526.0m $255.4m $255.4m 3.82% Added +4.2m +4,204,362
2 JPMORGAN CHASE & CO 0.03% of their portfolio NEW YORK, NY 4,931,4984.9m $209.4m $209.4m 0.03% Added +552.5k +552,531
3 FRANKLIN RESOURCES INC 0.09% of their portfolio San Mateo, CA 4,047,6844.0m $171.9m $171.9m 0.09% Added +224.7k +224,741
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 3,519,7143.5m $149.5m $149.5m 0.00% Added +7.9k +7,943
5 Senvest Management, LLC 5.26% of their portfolio New York, NY 3,409,3423.4m $144.8m $144.8m 5.26% Reduced -700.8k -700,779
6 ALPINE ASSOCIATES MANAGEMENT INC. 4.38% of their portfolio PALM BEACH, FL 1,933,5001.9m $82.1m $82.1m 4.38% Added +197.4k +197,412
7 JENNISON ASSOCIATES LLC 0.08% of their portfolio NEW YORK, NY 1,928,3181.9m $81.9m $81.9m 0.08% Added +21.2k +21,224
8 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 1.93% of their portfolio CHICAGO, IL 1,902,7251.9m $80.8m $80.8m 1.93% Added +189.2k +189,190
9 Sand Grove Capital Management LLP 11.01% of their portfolio LONDON, X0 1,684,5991.7m $71.5m $71.5m 11.01% Unchanged
10 Harel Insurance Investments & Financial Services Ltd. 1.26% of their portfolio Ramat Gan, L3 1,443,0681.4m $61.3m $61.3m 1.26% Unchanged
11 TIG Advisors, LLC 4.73% of their portfolio New York, NY 1,428,6001.4m $60.7m $60.7m 4.73% Added +1.1k +1,075
12 Segantii Capital Management Ltd 2.68% of their portfolio HONG KONG, K3 1,405,0001.4m $59.7m $59.7m 2.68% Added +526.7k +526,700
13 RENAISSANCE TECHNOLOGIES LLC 0.08% of their portfolio NEW YORK, NY 1,354,1461.4m $57.5m $57.5m 0.08% Added +694.5k +694,500
14 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.12% of their portfolio Boston, MA 1,269,8701.3m $53.9m $53.9m 0.12% Added +259.2k +259,196
15 Melqart Asset Management (UK) Ltd 3.69% of their portfolio London, X0 1,163,3961.2m $49.4m $49.4m 3.69% Added +599.3k +599,324
16 Pentwater Capital Management LP 0.81% of their portfolio Naples, FL 1,145,0001.1m $48.6m $48.6m 0.81% Added +75.0k +75,000
17 Balyasny Asset Management L.P. 0.15% of their portfolio Chicago, IL 1,085,5931.1m $46.1m $46.1m 0.15% New
18 Amundi 0.02% of their portfolio Paris, I0 1,073,5891.1m $45.6m $45.6m 0.02% Added +354 +354
19 MILLENNIUM MANAGEMENT LLC 0.05% of their portfolio NEW YORK, NY 1,051,7401.1m $44.7m $44.7m 0.05% Added +227.5k +227,505
20 Swedbank AB 0.08% of their portfolio STOCKHOLM, V7 1,000,0151.0m $42.5m $42.5m 0.08% Unchanged
21 FARALLON CAPITAL MANAGEMENT, L.L.C. 0.25% of their portfolio SAN FRANCISCO, CA 975,000975.0k $41.4m $41.4m 0.25% Reduced -640.0k -640,000
22 CITIGROUP INC 0.05% of their portfolio NEW YORK, NY 955,921955.9k $40.6m $40.6m 0.05% Added +1.9k +1,858
23 MEITAV INVESTMENT HOUSE LTD 0.70% of their portfolio BENE-BERAQ, L3 910,376910.4k $40.6m $40.6m 0.70% Added +215.9k +215,900
24 MENORA MIVTACHIM HOLDINGS LTD. 0.39% of their portfolio Ramat Gan, L3 883,888883.9k $37.5m $37.5m 0.39% Unchanged
25 Mivtachim The Workers Social Insurance Fund Ltd. (Under Special Management) 2.28% of their portfolio Tel Aviv, L3 863,539863.5k $36.7m $36.7m 2.28% Added +170.0k +170,000
26 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 853,496853.5k $36.2m $36.2m 0.01% Reduced -55.3k -55,289
27 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 801,328801.3k $34.0m $34.0m 0.00% Added +103.8k +103,834
28 Legal & General Group Plc 0.01% of their portfolio London, X0 678,825678.8k $28.8m $28.8m 0.01% Reduced -579.6k -579,554
29 MARSHALL WACE, LLP 0.07% of their portfolio LONDON, X0 676,083676.1k $28.7m $28.7m 0.07% Added +90.0k +89,956
30 Carlson Capital, L.P. 2.67% of their portfolio DALLAS, TX 669,100669.1k $28.4m $28.4m 2.67% Reduced -130.9k -130,900
31 ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio NASHVILLE, TN 668,942668.9k $28.4m $28.4m 0.01% Reduced -93.6k -93,576
32 Taconic Capital Advisors LP 1.69% of their portfolio NEW YORK, NY 645,000645.0k $27.4m $27.4m 1.69% Added +260.0k +260,000
33 AQR Arbitrage LLC 0.84% of their portfolio Greenwich, CT 642,974643.0k $27.3m $27.3m 0.84% Reduced -45.3k -45,290
34 Migdal Insurance & Financial Holdings Ltd. 0.53% of their portfolio Petach Tikva, L3 560,806560.8k $23.8m $23.8m 0.53% Reduced -280.0k -280,000
35 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 521,392521.4k $22.2m $22.2m 0.00% Added +279.3k +279,281
36 Grantham, Mayo, Van Otterloo & Co. LLC 0.11% of their portfolio Boston, MA 517,048517.0k $22.0m $22.0m 0.11% Added +175.6k +175,626
37 Westchester Capital Management, LLC 0.64% of their portfolio VALHALLA, NY 469,335469.3k $19.9m $19.9m 0.64% Added +33.6k +33,622
38 GABELLI FUNDS LLC 0.15% of their portfolio Rye, NY 451,830451.8k $19.2m $19.2m 0.15% Added +600 +600
39 Swiss National Bank 0.01% of their portfolio ZURICH, V8 433,781433.8k $18.5m $18.5m 0.01% Reduced -10.0k -10,015
40 SYSTEMATIC FINANCIAL MANAGEMENT LP 0.60% of their portfolio TEANECK, NJ 432,109432.1k $18.4m $18.4m 0.60% Added +29.4k +29,353
41 AMERIPRISE FINANCIAL INC 0.01% of their portfolio MINNEAPOLIS, MN 414,987415.0k $17.6m $17.6m 0.01% Added +59.8k +59,839
42 Berry Street Capital Management LLP 5.77% of their portfolio LONDON, X0 387,500387.5k $16.5m $16.5m 5.77% Added +187.5k +187,500
43 Man Group plc 0.06% of their portfolio LONDON, X0 376,980377.0k $16.0m $16.0m 0.06% New
44 Versor Investments LP 1.86% of their portfolio New York, NY 334,255334.3k $14.2m $14.2m 1.86% Reduced -366.6k -366,628
45 WATERS PARKERSON & CO., LLC 0.83% of their portfolio NEW ORLEANS, LA 332,189332.2k $14.1m $14.1m 0.83% Reduced -5.4k -5,425
46 GABELLI & Co INVESTMENT ADVISERS, INC. 2.65% of their portfolio Rye, NY 325,367325.4k $13.8m $13.8m 2.65% Unchanged
47 Qube Research & Technologies Ltd 0.06% of their portfolio LONDON, X0 266,645266.6k $11.3m $11.3m 0.06% Added +11.2k +11,162
48 LMR Partners LLP 0.19% of their portfolio LONDON, X0 245,166245.2k $10.4m $10.4m 0.19% Added +124.3k +124,310
49 NEUMEIER POMA INVESTMENT COUNSEL LLC 0.95% of their portfolio CARMEL, CA 240,024240.0k $10.2m $10.2m 0.95% Reduced -40.4k -40,360
50 Davidson Kempner Capital Management LP 0.21% of their portfolio New York, NY 232,401232.4k $9.9m $9.9m 0.21% Reduced -599.7k -599,729
51 STATE OF WISCONSIN INVESTMENT BOARD 0.03% of their portfolio MADISON, WI 231,181231.2k $9.8m $9.8m 0.03% Added +199.4k +199,440
52 Woodline Partners LP 0.13% of their portfolio San Francisco, CA 221,100221.1k $9.4m $9.4m 0.13% Reduced -116.3k -116,350
53 Symmetry Investments LP 4.28% of their portfolio ST HELIER, Y9 210,984211.0k $9.0m $9.0m 4.28% Added +185.0k +184,966
54 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.05% of their portfolio TORONTO, A6 210,100210.1k $8.9m $8.9m 0.05% Added +85.7k +85,700
55 UBS Group AG 0.00% of their portfolio ZURICH, V8 204,303204.3k $8.7m $8.7m 0.00% Added +103.6k +103,579
56 Hudson Bay Capital Management LP 0.05% of their portfolio STAMFORD, CT 200,000200.0k $8.5m $8.5m 0.05% Added +174.6k +174,550
57 HERALD INVESTMENT MANAGEMENT Ltd 1.87% of their portfolio LONDON, X0 198,000198.0k $8.4m $8.4m 1.87% Unchanged
58 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.04% of their portfolio JUPITER, FL 196,187196.2k $8.3m $8.3m 0.04% Added +181.2k +181,220
59 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 179,680179.7k $7.6m $7.6m 0.00% Reduced -55.3k -55,307
60 TCW GROUP INC 0.09% of their portfolio LOS ANGELES, CA 164,492164.5k $7.0m $7.0m 0.09% Reduced -601 -601
61 Maven Securities LTD 1.07% of their portfolio ST HELIER, Y9 161,100161.1k $6.8m $6.8m 1.07% Reduced -84.0k -83,988
62 LOOMIS SAYLES & CO L P 0.01% of their portfolio BOSTON, MA 158,479158.5k $6.7m $6.7m 0.01% Reduced -5.8k -5,758
63 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 157,931157.9k $6.7m $6.7m 0.00% Reduced -1.0m -1,047,620
64 Korea Investment CORP 0.02% of their portfolio SEOUL, M5 144,348144.3k $6.1m $6.1m 0.02% Reduced -140.1k -140,140
65 AustralianSuper Pty Ltd 0.04% of their portfolio MELBOURNE, C3 142,056142.1k $5.9m $5.9m 0.04% New
66 CREDIT SUISSE AG/ 0.01% of their portfolio ZURICH, V8 127,580127.6k $5.4m $5.4m 0.01% Reduced -7.7k -7,697
67 RAMIUS ADVISORS LLC 5.83% of their portfolio NEW YORK, NY 124,723124.7k $5.3m $5.3m 5.83% Reduced -368.3k -368,320
68 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 121,589121.6k $5.2m $5.2m 0.00% Added +40.8k +40,836
69 Raymond James Financial Services Advisors, Inc. 0.01% of their portfolio ST. PETERSBURG, FL 120,892120.9k $5.1m $5.1m 0.01% Added +58.8k +58,804
70 PRELUDE CAPITAL MANAGEMENT, LLC 0.33% of their portfolio NEW YORK, NY 114,692114.7k $4.9m $4.9m 0.33% Reduced -24.2k -24,194
71 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 112,047112.0k $4.8m $4.8m 0.01% Reduced -488.2k -488,228
72 BlackRock Inc. 0.00% of their portfolio New York, NY 111,652111.7k $4.7m $4.7m 0.00% Reduced -1.1m -1,074,703
73 BARDIN HILL MANAGEMENT PARTNERS LP 1.17% of their portfolio NEW YORK, NY 111,039111.0k $4.7m $4.7m 1.17% Added +56.7k +56,735
74 NORGES BANK 0.00% of their portfolio OSLO, Q8 110,935110.9k $4.7m $4.7m 0.00% Unchanged
75 Flow State Investments, L.P. 3.87% of their portfolio CHICAGO, IL 110,000110.0k $4.7m $4.7m 3.87% Added +34.0k +34,000
76 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio BOSTON, MA 106,617106.6k $4.5m $4.5m 0.01% Added +69.5k +69,541
77 Altshuler Shaham Ltd 0.10% of their portfolio Tel Aviv, L3 105,884105.9k $4.5m $4.5m 0.10% Reduced -74.8k -74,796
78 ETF MANAGERS GROUP, LLC 0.14% of their portfolio Summit, NJ 101,100101.1k $4.3m $4.3m 0.14% New
79 Brookfield Corp /ON/ 0.02% of their portfolio TORONTO, A6 100,000100.0k $4.2m $4.2m 0.02% Reduced -5.0k -5,000
80 Vazirani Asset Management LLC 8.73% of their portfolio NEW YORK, NY 100,000100.0k $4.2m $4.2m 8.73% Added +40.0k +40,000
81 Walleye Capital LLC 0.08% of their portfolio NEW YORK, NY 97,81397.8k $4.2m $4.2m 0.08% Added +82.8k +82,813
82 SELDON CAPITAL LP 2.02% of their portfolio SAN FRANCISCO, CA 97,47297.5k $4.1m $4.1m 2.02% Added +48.7k +48,736
83 CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio TORONTO ONTARIO, A6 94,70094.7k $4.0m $4.0m 0.01% Unchanged
84 Kapitalo Investimentos Ltda 1.18% of their portfolio SAO PAULO, D5 84,14384.1k $3.6m $3.6m 1.18% New
85 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 81,31681.3k $3.5m $3.5m 0.00% Added +2.6k +2,596
86 CAPSTONE INVESTMENT ADVISORS, LLC 0.10% of their portfolio NEW YORK, NY 75,04775.0k $3.2m $3.2m 0.10% New
87 Alpine Global Management, LLC 1.24% of their portfolio NEW YORK, NY 75,00075.0k $3.2m $3.2m 1.24% Unchanged
88 EAGLE GLOBAL ADVISORS LLC 0.21% of their portfolio Houston, TX 73,22373.2k $3.1m $3.1m 0.21% Unchanged
89 Yakira Capital Management, Inc. 0.78% of their portfolio Westport, CT 72,36172.4k $3.1m $3.1m 0.78% Unchanged
90 BCK CAPITAL MANAGEMENT LP 2.61% of their portfolio STAMFORD, CT 70,78970.8k $3.0m $3.0m 2.61% Added +1.8k +1,789
91 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 66,80966.8k $2.8m $2.8m 0.00% Added +2.2k +2,164
92 HARVEST MANAGEMENT LLC 2.50% of their portfolio New York, NY 64,80064.8k $2.8m $2.8m 2.50% Added +9.0k +9,000
93 GROUP ONE TRADING LLC 0.13% of their portfolio CHICAGO, IL 64,57164.6k $2.7m $2.7m 0.13% Added +56.5k +56,494
94 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 61,59461.6k $2.6m $2.6m 0.00% Reduced -2.3m -2,271,043
95 Athos Capital Ltd 4.77% of their portfolio HONG KONG, K3 60,00060.0k $2.5m $2.5m 4.77% Reduced -30.0k -30,000
96 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 58,34958.3k $2.5m $2.5m 0.00% Added +6.0k +5,963
97 Engineers Gate Manager LP 0.10% of their portfolio NEW YORK, NY 54,92154.9k $2.3m $2.3m 0.10% Added +44.0k +43,977
98 ARK Investment Management LLC 0.01% of their portfolio ST. PETERSBURG, FL 51,37951.4k $2.2m $2.2m 0.01% Added +2.4k +2,409
99 MOORE CAPITAL MANAGEMENT, LP 0.07% of their portfolio NEW YORK, NY 50,00050.0k $2.1m $2.1m 0.07% Reduced -4.0k -4,000
100 WOLVERINE ASSET MANAGEMENT LLC 0.04% of their portfolio CHICAGO, IL 47,57747.6k $2.0m $2.0m 0.04% Unchanged