TOWER SEMICONDUCTOR LTD TSEM
SHS NEW · Common Stock · CUSIP M87915274
- SectorTechnology
- IndustrySemiconductors & Related Devices
- HeadquartersMigdal HaEmek, Israel
- Founded1993
- Websitetowerjazz.com
- FilingsSEC EDGAR
* 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 ($4.5m this quarter). Holder counts are more reliable. Shares outstanding: 110.8m as of 2023-12-31, 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 ≈ $33.43. Options: 9 managers hold calls ($110.4m notional), 14 hold puts ($118.5m).
Trends to Q1 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 205 |
| Q4 2022 | 223 |
| Q1 2023 | 213 |
| Q2 2023 | 221 |
| Q3 2023 | 200 |
| Q4 2023 | 185 |
| Q1 2024 | 190 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 118 | 90 |
| Q1 2023 | 114 | 91 |
| Q2 2023 | 107 | 106 |
| Q3 2023 | 115 | 109 |
| Q4 2023 | 90 | 124 |
| Q1 2024 | 103 | 86 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2023 | $25.8m | $177.0m | 6.85 |
| Q3 2023 | $70.2m | $73.4m | 1.05 |
| Q4 2023 | $81.2m | $92.2m | 1.13 |
| Q1 2024 | $110.4m | $118.5m | 1.07 |
Biggest buyers
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | New | +1.9m |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | New | +1.0m |
| Migdal Insurance & Financial Holdings Ltd. | Added | +1.0m |
| Senvest Management, LLC | Added | +858.7k |
| Harel Insurance Investments & Financial Services Ltd. | Added | +816.3k |
| JPMORGAN CHASE & CO | Added | +617.6k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Added | +613.8k |
| JENNISON ASSOCIATES LLC | Added | +580.6k |
| Shannon River Fund Management LLC | Added | +570.6k |
| MEITAV INVESTMENT HOUSE LTD | Added | +470.5k |
Biggest sellers
| BAUPOST GROUP LLC/MA | Sold out | -2.7m |
| Theleme Partners LLP | Sold out | -2.2m |
| NORGES BANK | Reduced | -1.3m |
| Melqart Asset Management (UK) Ltd | Sold out | -1.2m |
| Balyasny Asset Management L.P. | Reduced | -629.3k |
| Invesco Ltd. | Reduced | -592.6k |
| MORGAN STANLEY | Reduced | -512.6k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Reduced | -467.8k |
| SPHERA FUNDS MANAGEMENT LTD. | Reduced | -348.7k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -339.8k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $47.3m1.4m shares |
| CITADEL ADVISORS LLC | Added | $39.1m1.2m shares |
| WOLVERINE TRADING, LLC | Added | $9.1m270.6k shares |
| Walleye Trading LLC | Added | $4.5m134.3k shares |
| CAPITAL FUND MANAGEMENT S.A. | Reduced | $3.9m116.3k shares |
| PEAK6 Investments LLC | New | $3.8m114.9k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $2.1m63.9k shares |
| Schonfeld Strategic Advisors LLC | Reduced | $535.2k16.0k shares |
| Cutler Group LLC / CA | Reduced | $5.0k16.4k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $30.2m903.8k shares |
| JANE STREET GROUP, LLC | Added | $29.2m873.2k shares |
| GROUP ONE TRADING LLC | Added | $14.7m438.7k shares |
| CITADEL ADVISORS LLC | Reduced | $13.2m394.5k shares |
| SIMPLEX TRADING, LLC | Added | $8.9m265.1k shares |
| WOLVERINE TRADING, LLC | Added | $7.7m230.5k shares |
| D. E. Shaw & Co., Inc. | Unchanged | $3.9m115.5k shares |
| CAPITAL FUND MANAGEMENT S.A. | Reduced | $3.6m107.2k shares |
| IMC-Chicago, LLC | Added | $3.2m95.6k shares |
| Walleye Trading LLC | Added | $2.0m59.2k 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.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution new · filed 2026-10-27 | 6.8% |
| PRICE T ROWE ASSOCIATES INC /MD/ 13G · institution new · filed 2026-05-15 | 6.6% |
| MENORA MIVTACHIM HOLDINGS LTD. 13G · passive investor -1.5 pts · filed 2026-02-10 | 6.2% |
| Migdal Insurance & Financial Holdings Ltd. 13G · passive investor -0.5 pts · filed 2026-07-23 | 6.0% |
| Harel Insurance Investments & Financial Services Ltd. 13G · passive investor +0.2 pts · filed 2026-06-15 | 5.1% |
| Phoenix Financial Ltd. 13G · passive investor new · filed 2026-06-09 | 5.0% |
Fell to 5% or below in the last year: Senvest Management, LLC (3.6%, 2026-02-12)
Insider purchases and sales in Q1 2024
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 2024.
Holders, Q1 2024
| Manager | Shares | Change |
|---|---|---|
| Senvest Management, LLC 10.39% of their portfolio | 8.0m $268.7m | Added +858.7k |
| Clal Insurance Enterprises Holdings Ltd 2.12% of their portfolio | 5.6m $187.9m | Reduced -245.0k |
| VANGUARD GROUP INC 0.00% of their portfolio | 3.8m $126.8m | Added +64.7k |
| Harel Insurance Investments & Financial Services Ltd. 2.36% of their portfolio | 3.6m $121.8m | Added +816.3k |
| VICTORY CAPITAL MANAGEMENT INC 0.11% of their portfolio | 3.2m $108.4m | Added +78.9k |
| Migdal Insurance & Financial Holdings Ltd. 1.48% of their portfolio | 2.8m $92.6m | Added +1.0m |
| Phoenix Financial Ltd. 1.28% of their portfolio | 2.8m $92.5m | Reduced -53.4k |
| JENNISON ASSOCIATES LLC 0.06% of their portfolio | 2.7m $88.7m | Added +580.6k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 2.0m $67.6m | Added +617.6k |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC 0.22% of their portfolio | 1.9m $64.8m | New |
| MEITAV INVESTMENT HOUSE LTD 1.27% of their portfolio | 1.9m $64.8m | Added +470.5k |
| Shannon River Fund Management LLC 13.66% of their portfolio | 1.8m $61.3m | Added +570.6k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.04% of their portfolio | 1.1m $37.8m | Added +613.8k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.09% of their portfolio | 1.0m $34.9m | New |
| MENORA MIVTACHIM HOLDINGS LTD. 0.26% of their portfolio | 1.0m $34.6m | Added +150.0k |
| Mivtachim The Workers Social Insurance Fund Ltd. (Under Special Management) 3.00% of their portfolio | 931.3k $31.2m | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 924.2k $30.9m | Reduced -512.6k |
| VOYA INVESTMENT MANAGEMENT LLC 0.03% of their portfolio | 890.9k $29.8m | Added +407.0k |
| CITIGROUP INC 0.03% of their portfolio | 859.7k $28.2m | Reduced -156.0k |
| MANGROVE PARTNERS IM, LLC 1.98% of their portfolio | 813.0k $27.2m | Unchanged |
| JANUS HENDERSON GROUP PLC 0.01% of their portfolio | 789.1k $26.4m | Added +201.9k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 757.4k $25.3m | Added +275.7k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 697.0k $23.3m | Added +259.2k |
| SYSTEMATIC FINANCIAL MANAGEMENT LP 0.64% of their portfolio | 691.0k $23.1m | Added +109.8k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 674.7k $22.6m | Reduced -173.7k |
| Analog Century Management LP 3.06% of their portfolio | 656.7k $22.0m | Added +209.7k |
| Granite Investment Partners, LLC 0.81% of their portfolio | 637.0k $21.3m | Added +116.1k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.03% of their portfolio | 601.4k $20.1m | Added +101.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.03% of their portfolio | 583.8k $19.5m | Added +10.9k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.05% of their portfolio | 565.9k $18.9m | Reduced -42.0k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.02% of their portfolio | 489.9k $16.3m | Added +144.6k |
| BlackRock Inc. 0.00% of their portfolio | 431.6k $14.4m | Reduced -25.0k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 430.9k $14.4m | Reduced -2.2k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 385.1k $12.9m | Reduced -49.5k |
| Point72 Asset Management, L.P. 0.04% of their portfolio | 380.0k $12.7m | Added +291.7k |
| JANE STREET GROUP, LLC 0.02% of their portfolio | 361.5k $12.1m | Added +61.5k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 338.9k $11.3m | Added +14.7k |
| Legal & General Group Plc 0.00% of their portfolio | 332.5k $11.1m | Added +14.7k |
| Boston Partners 0.01% of their portfolio | 328.8k $11.0m | Added +269.5k |
| ExodusPoint Capital Management, LP 0.13% of their portfolio | 323.0k $10.8m | Reduced -135.0k |
| Russell Investments Group, Ltd. 0.02% of their portfolio | 319.2k $10.7m | Added +147.6k |
| GROUP ONE TRADING LLC 0.36% of their portfolio | 303.8k $10.2m | Added +62.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 299.9k $10.0m | Added +84.7k |
| WATERS PARKERSON & CO., LLC 0.48% of their portfolio | 277.0k $9.3m | Added +4.7k |
| STANSBERRY ASSET MANAGEMENT, LLC 1.17% of their portfolio | 258.7k $8.7m | Reduced -116.9k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 240.3k $8.0m | Reduced -339.8k |
| Swiss National Bank 0.01% of their portfolio | 220.2k $7.2m | Added +2.2k |
| Artemis Investment Management LLP 0.10% of their portfolio | 219.6k $7.3m | Added +107.8k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 212.8k $7.1m | Reduced -186.8k |
| NORGES BANK 0.00% of their portfolio | 202.9k $6.6m | Reduced -1.3m |
| HERALD INVESTMENT MANAGEMENT Ltd 1.07% of their portfolio | 198.0k $6.6m | Unchanged |
| SPHERA FUNDS MANAGEMENT LTD. 0.97% of their portfolio | 179.6k $6.0m | Reduced -348.7k |
| WOLVERINE TRADING, LLC 0.06% of their portfolio | 176.6k $5.9m | Added +50.4k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio | 175.7k $5.9m | Reduced -467.8k |
| ESSEX INVESTMENT MANAGEMENT CO LLC 1.09% of their portfolio | 165.0k $5.5m | New |
| MARSHALL WACE, LLP 0.01% of their portfolio | 163.5k $5.5m | Reduced -276.0k |
| Walleye Capital LLC 0.06% of their portfolio | 162.5k $5.4m | Added +82.9k |
| Duquesne Family Office LLC 0.13% of their portfolio | 146.4k $4.9m | New |
| KING LUTHER CAPITAL MANAGEMENT CORP 0.02% of their portfolio | 142.1k $4.8m | Added +25.6k |
| Hodges Capital Management Inc. 0.31% of their portfolio | 141.7k $4.7m | Added +24.8k |
| STATE STREET CORP 0.00% of their portfolio | 131.4k $4.4m | Added +7.4k |
| 272 Capital LP 1.73% of their portfolio | 129.3k $4.3m | Reduced -8.5k |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 123.4k $4.1m | Reduced -113.5k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 121.7k $4.0m | Added +29.3k |
| Penserra Capital Management LLC 0.05% of their portfolio | 109.9k $3.7m | Added +12.8k |
| Cubist Systematic Strategies, LLC 0.04% of their portfolio | 105.0k $3.5m | Added +90.9k |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 102.2k $3.4m | Reduced -8.8k |
| Taylor Frigon Capital Management LLC 1.59% of their portfolio | 100.0k $3.3m | Reduced -1.0k |
| Kranot Hishtalmut Le Morim Ve Gananot Havera Menahelet LTD 0.29% of their portfolio | 98.5k $3.3m | New |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 88.5k $2.9m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 85.7k $2.9m | Added +1.8k |
| RENAISSANCE GROUP LLC 0.11% of their portfolio | 85.1k $2.8m | Added +3.0k |
| Tidal Investments LLC 0.05% of their portfolio | 82.4k $2.8m | New |
| Bank of New York Mellon Corp 0.00% of their portfolio | 78.7k $2.6m | Reduced -29.6k |
| Quinn Opportunity Partners LLC 0.29% of their portfolio | 76.3k $2.6m | Reduced -82.1k |
| ARK Investment Management LLC 0.02% of their portfolio | 73.4k $2.5m | Reduced -9.8k |
| CAMBIAR INVESTORS LLC 0.09% of their portfolio | 72.0k $2.4m | Reduced -1.8k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.06% of their portfolio | 67.0k $2.2m | Added +269 |
| EAGLE GLOBAL ADVISORS LLC 0.12% of their portfolio | 66.2k $2.2m | Reduced -13.0k |
| State of Wyoming 0.36% of their portfolio | 64.4k $2.2m | Added +42.0k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 64.2k $2.1m | New |
| SIMPLEX TRADING, LLC 0.06% of their portfolio | 62.7k $2.1m | New |
| Invesco Ltd. 0.00% of their portfolio | 57.3k $1.9m | Reduced -592.6k |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 54.9k $1.8m | Reduced -629.3k |
| CAPSTONE INVESTMENT ADVISORS, LLC 0.03% of their portfolio | 52.4k $1.8m | New |
| Walleye Trading LLC 0.03% of their portfolio | 50.7k $1.7m | Added +49.5k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 49.8k $1.7m | Added +10.1k |
| Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio | 49.5k $1.7m | Reduced -27.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 48.2k $1.6m | Added +17.8k |
| P SCHOENFELD ASSET MANAGEMENT LP 0.71% of their portfolio | 47.3k $1.6m | Added +9.3k |
| IMC-Chicago, LLC 0.05% of their portfolio | 44.2k $1.5m | New |
| Orion Porfolio Solutions, LLC 0.01% of their portfolio | 38.9k $1.3m | Reduced -2.1k |
| Orion Portfolio Solutions, LLC 0.01% of their portfolio | 38.9k $1.3m | Reduced -2.1k |
| Schonfeld Strategic Advisors LLC 0.01% of their portfolio | 37.6k $1.3m | New |
| LPL Financial LLC 0.00% of their portfolio | 35.4k $1.2m | New |
| VAN ECK ASSOCIATES CORP 0.00% of their portfolio | 35.4k $1.2m | Added +1.6k |
| Atom Investors LP 0.15% of their portfolio | 35.3k $1.2m | Added +3.6k |
| Kranot Hishtalmut Le Morim Tichoniim Havera Menahelet LTD 0.30% of their portfolio | 34.5k $1.2m | New |
| KEYBANK NATIONAL ASSOCIATION/OH 0.00% of their portfolio | 33.9k $1.1m | Added +1.4k |
| CastleKnight Management LP 0.16% of their portfolio | 32.4k $1.1m | Unchanged |