Vault-13

SEAGATE HDD CAYMAN STX 3.5 06.01.28

NOTE 3.500% 6/0 · US DOMESTIC · CUSIP 81180WBL4

80 institutional holders -6 vs Q1 2025
56,047,63456.0m shares reported held*
$2.6bnreported value*
11 new 26 added 28 reduced 16 sold out net bought ≈ $80.5m (+42.5m 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 ($1.6m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $46.10. Options: 1 managers hold calls ($2.5m notional), 1 hold puts ($1.6m).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

050100Q3 24: 83Q4 24: 80Q1 25: 86Q2 25: 8080Q3 24Q4 24Q1 25Q2 25
Numbers
QuarterHolders
Q3 202483
Q4 202480
Q1 202586
Q2 202580

Buyers vs sellers

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

Bought or addedCut or sold out
50050Q4 24: 41 bought or addedQ4 24: 42 cut or sold outQ4 24Q1 25: 42 bought or addedQ1 25: 36 cut or sold outQ1 25Q2 25: 37 bought or addedQ2 25: 44 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q4 20244142
Q1 20254236
Q2 20253744

Calls vs puts

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

CallsPuts
$0$1m$2m$3mQ3 24 calls: $0Q3 24 puts: $0Q3 24P/C —Q4 24 calls: $0Q4 24 puts: $0Q4 24P/C —Q1 25 calls: $475.7kQ1 25 puts: $637.1kQ1 25P/C 1.34Q2 25 calls: $2.5mQ2 25 puts: $1.6mQ2 25P/C 0.65
Numbers
QuarterCallsPutsP/C
Q3 2024$0$0—
Q4 2024$0$0—
Q1 2025$475.7k$637.1k1.34
Q2 2025$2.5m$1.6m0.65

Biggest buyers

D. E. Shaw & Co., Inc. New +125,460,000+125.5m
Point72 Asset Management, L.P. Added +104,955,000+105.0m
DLD Asset Management, LP New +47,500,000+47.5m
MILLENNIUM MANAGEMENT LLC New +42,500,000+42.5m
AQR Arbitrage LLC New +34,440,000+34.4m
Jain Global LLC New +23,500,000+23.5m
Alberta Investment Management Corp Added +15,000,000+15.0m
CSS LLC/IL Added +14,631,000+14.6m
JPMORGAN CHASE & CO Added +14,382,000+14.4m
LORD, ABBETT & CO. LLC Added +14,290,000+14.3m

Biggest sellers

Portman Square Capital LLP Sold out -102,000,000-102.0m
HIGHBRIDGE CAPITAL MANAGEMENT LLC Sold out -50,187,000-50.2m
TWO SIGMA INVESTMENTS, LP Reduced -37,420,000-37.4m
Man Group plc Sold out -36,247,000-36.2m
WOLVERINE ASSET MANAGEMENT LLC Reduced -35,799,000-35.8m
SONA ASSET MANAGEMENT (US) LLC Sold out -27,500,000-27.5m
LMR Partners LLP Sold out -20,000,000-20.0m
ARISTEIA CAPITAL, L.L.C. Sold out -19,000,000-19.0m
WELLINGTON MANAGEMENT GROUP LLP Reduced -16,309,000-16.3m
SUSQUEHANNA ADVISORS GROUP, INC. Reduced -14,824,000-14.8m

Biggest calls

Limestone Investment Advisors LP First filing $2.5m17.1k shares

Biggest puts

Limestone Investment Advisors LP First filing $1.6m11.1k 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.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 D. E. Shaw & Co., Inc. 0.22% of their portfolio New York, NY 125,460,000125.5m $225.9m $225.9m 0.22% New
2 Point72 Asset Management, L.P. 0.51% of their portfolio STAMFORD, CT 118,955,000119.0m $214.3m $214.3m 0.51% Added +105.0m +104,955,000
3 Davidson Kempner Capital Management LP 2.33% of their portfolio New York, NY 85,000,00085.0m $152.9m $152.9m 2.33% Added +5.0m +5,000,000
4 CITADEL ADVISORS LLC 0.12% of their portfolio MIAMI, FL 75,000,00075.0m $135.1m $135.1m 0.12% Added +3.2m +3,204,000
5 Sculptor Capital LP 1.97% of their portfolio New York, NY 67,500,00067.5m $121.6m $121.6m 1.97% Added +2.5m +2,500,000
6 Aequim Alternative Investments LP 3.70% of their portfolio MILL VALLEY, CA 63,000,00063.0m $113.4m $113.4m 3.70% Added +13.0m +13,000,000
7 Calamos Advisors LLC 0.46% of their portfolio NAPERVILLE, IL 59,414,00059.4m $107.0m $107.0m 0.46% Added +1.2m +1,212,000
8 DLD Asset Management, LP 10.14% of their portfolio NEW YORK, NY 47,500,00047.5m $85.6m $85.6m 10.14% New
9 WOLVERINE ASSET MANAGEMENT LLC 1.28% of their portfolio CHICAGO, IL 42,640,00042.6m $76.8m $76.8m 1.28% Reduced -35.8m -35,799,000
10 MILLENNIUM MANAGEMENT LLC 0.07% of their portfolio NEW YORK, NY 42,500,00042.5m $76.5m $76.5m 0.07% New
11 CAMDEN ASSET MANAGEMENT L P /CA 1.79% of their portfolio Los Angeles, CA 42,431,00042.4m $76.3m $76.3m 1.79% Reduced -3.2m -3,200,000
12 SUSQUEHANNA ADVISORS GROUP, INC. 0.03% of their portfolio BALA CYNWYD, PA 41,221,00041.2m $740.9k $740.9k 0.03% Reduced -14.8m -14,824,000
13 M&G PLC 0.40% of their portfolio London, X0 40,393,00040.4m $72.3m $72.3m 0.40% Reduced -7.9m -7,946,000
14 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 38,877,00038.9m $69.5m $69.5m 0.00% Added +14.4m +14,382,000
15 VOYA INVESTMENT MANAGEMENT LLC 0.06% of their portfolio ATLANTA, GA 35,300,00035.3m $63.6m $63.6m 0.06% Reduced -14.7m -14,650,000
16 LAZARD ASSET MANAGEMENT LLC 0.09% of their portfolio NEW YORK, NY 34,966,00035.0m $63.0m $63.0m 0.09% Reduced -3.8m -3,761,000
17 AQR Arbitrage LLC 1.45% of their portfolio Greenwich, CT 34,440,00034.4m $62.0m $62.0m 1.45% New
18 FMR LLC 0.00% of their portfolio BOSTON, MA 33,618,00033.6m $60.5m $60.5m 0.00% Added +13.1m +13,132,000
19 MacKay Shields LLC 1.74% of their portfolio New York, NY 30,140,00030.1m $54.3m $54.3m 1.74% Unchanged
20 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 28,594,00028.6m $51.8m $51.8m 0.00% Reduced -1.5m -1,525,000
21 Alberta Investment Management Corp 0.39% of their portfolio EDMONTON, A0 27,500,00027.5m $49.5m $49.5m 0.39% Added +15.0m +15,000,000
22 TWO SIGMA INVESTMENTS, LP 0.08% of their portfolio NEW YORK, NY 24,940,00024.9m $44.9m $44.9m 0.08% Reduced -37.4m -37,420,000
23 Jain Global LLC 0.66% of their portfolio NEW YORK, NY 23,500,00023.5m $42.3m $42.3m 0.66% New
24 SILVERBACK ASSET MANAGEMENT LLC 5.81% of their portfolio DURHAM, NC 21,000,00021.0m $37.8m $37.8m 5.81% Reduced -500.0k -500,000
25 BANK OF MONTREAL /CAN/ 0.02% of their portfolio TORONTO, A6 20,000,00020.0m $35.8m $35.8m 0.02% Added +10.0m +10,000,000
26 LORD, ABBETT & CO. LLC 0.11% of their portfolio JERSEY CITY, NJ 19,598,00019.6m $35.3m $35.3m 0.11% Added +14.3m +14,290,000
27 CSS LLC/IL 2.21% of their portfolio CHICAGO, IL 19,458,00019.5m $35.0m $35.0m 2.21% Added +14.6m +14,631,000
28 BlackRock, Inc. 0.00% of their portfolio New York, NY 19,170,00019.2m $34.5m $34.5m 0.00% Added +3.7m +3,745,000
29 WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio Boston, MA 15,426,00015.4m $28.0m $28.0m 0.01% Reduced -16.3m -16,309,000
30 BANK OF NOVA SCOTIA 0.06% of their portfolio TORONTO, A6 15,000,00015.0m $27.0m $27.0m 0.06% Added +6.0m +6,000,000
31 FRANKLIN RESOURCES INC 0.01% of their portfolio San Mateo, CA 13,749,00013.7m $24.8m $24.8m 0.01% Reduced -2.0m -2,034,000
32 SSI INVESTMENT MANAGEMENT LLC 1.42% of their portfolio Los Angeles, CA 11,180,00011.2m $20.1m $20.1m 1.42% Added +119.0k +119,002
33 CITIGROUP INC 0.01% of their portfolio NEW YORK, NY 10,645,00010.6m $19.1m $19.1m 0.01% Added +2.2m +2,229,000
34 Nuveen, LLC 0.01% of their portfolio CHARLOTTE, NC 10,400,00010.4m $18.7m $18.7m 0.01% Reduced -7.5m -7,475,000
35 BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio PARIS, I0 10,257,00010.3m $18.4m $18.4m 0.01% Added +2.4m +2,445,000
36 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.01% of their portfolio Toronto, A6 9,200,0009.2m $16.6m $16.6m 0.01% Reduced -1.0m -1,000,000
37 Warberg Asset Management LLC 4.00% of their portfolio WINNETKA, IL 9,060,0009.1m $16.3m $16.3m 4.00% Added +1.0m +1,015,000
38 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 6,966,0007.0m $12.5m $12.5m 0.00% Added +1.7m +1,687,000
39 MIZUHO SECURITIES USA LLC 0.26% of their portfolio NEW YORK, NY 6,749,0006.7m $12.1m $12.1m 0.26% First filing
40 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 6,500,0006.5m $11.7m $11.7m 0.00% Added +500.0k +500,000
41 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 6,000,0006.0m $10.8m $10.8m 0.00% Reduced -3.0m -3,000,000
42 GLAZER CAPITAL, LLC 0.39% of their portfolio New York, NY 6,000,0006.0m $10.8m $10.8m 0.39% New
43 Kohlberg Kravis Roberts & Co. L.P. 0.21% of their portfolio NEW YORK, NY 5,780,0005.8m $10.4m $10.4m 0.21% Added +5.6m +5,560,000
44 RPO LLC 20.99% of their portfolio Stamford, CT 5,000,0005.0m $9.0m $9.0m 20.99% Unchanged
45 TORONTO DOMINION BANK 0.02% of their portfolio TORONTO, ONTARIO, A6 4,826,0004.8m $8.7m $8.7m 0.02% Added +4.3m +4,326,000
46 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.02% of their portfolio Paris, I0 4,500,0004.5m $8.1m $8.1m 0.02% Unchanged
47 Parallax Volatility Advisers, L.P. 0.29% of their portfolio San Francisco, CA 4,000,0004.0m $7.2m $7.2m 0.29% New
48 Nicholas Investment Partners, LP 0.64% of their portfolio RANCHO SANTA FE, CA 3,980,0004.0m $7.2m $7.2m 0.64% Unchanged
49 BOOTHBAY FUND MANAGEMENT, LLC 0.21% of their portfolio NEW YORK, NY 3,750,0003.8m $6.8m $6.8m 0.21% Unchanged
50 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 3,734,0003.7m $6.7m $6.7m 0.00% Added +2.1m +2,051,000
51 CONNING INC. 0.22% of their portfolio HARTFORD, CT 3,600,0003.6m $6.5m $6.5m 0.22% Unchanged
52 Union Bancaire Privee, UBP SA 0.06% of their portfolio GENEVA 1, V8 2,840,0002.8m $4.3m $4.3m 0.06% Reduced -970.0k -970,000
53 DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.01% of their portfolio FRANKFURT AM MAIN, 2M 2,800,0002.8m $5.0m $5.0m 0.01% Reduced -12.7m -12,700,000
54 III Capital Management 0.83% of their portfolio BOCA RATON, FL 2,547,0002.5m $4.6m $4.6m 0.83% Reduced -1.0m -1,000,000
55 AXA S.A. 0.01% of their portfolio PARIS, I0 1,550,0001.6m $2.8m $2.8m 0.01% Reduced -1.5m -1,500,000
56 WESTWOOD HOLDINGS GROUP INC 0.01% of their portfolio DALLAS, TX 1,500,0001.5m $1.5m $1.5m 0.01% New
57 ADVENT CAPITAL MANAGEMENT /DE/ 0.04% of their portfolio NEW YORK, NY 1,126,0001.1m $2.0m $2.0m 0.04% Reduced -14.2m -14,229,000
58 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 1,100,0001.1m $2.0m $2.0m 0.00% Added +150.0k +150,000
59 Erste Asset Management GmbH 0.01% of their portfolio VIENNA, C4 1,000,0001.0m $1.8m $1.8m 0.01% Added +1.0m +1,000,000
60 Police & Firemen's Retirement System of New Jersey 0.02% of their portfolio TRENTON, NJ 905,000905.0k $1.6m $1.6m 0.02% Unchanged
61 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 668,000668.0k $1.2m $1.2m 0.00% New
62 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 638,000638.0k $1.1m $1.1m 0.00% New
63 Central Pacific Bank - Trust Division 0.13% of their portfolio HONOLULU, HI 568,000568.0k $1.0m $1.0m 0.13% Added +17.0k +17,000
64 OAKTREE CAPITAL MANAGEMENT LP 0.02% of their portfolio LOS ANGELES, CA 500,000500.0k $900.2k $900.2k 0.02% Reduced -1.6m -1,650,000
65 PALISADE CAPITAL MANAGEMENT, LP 0.03% of their portfolio FORT LEE, NJ 500,000500.0k $900.4k $900.4k 0.03% Unchanged
66 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 473,000473.0k $850.7k $850.7k 0.00% Reduced -2.1m -2,135,000
67 Calamos Wealth Management LLC 0.03% of their portfolio NAPERVILLE, IL 449,000449.0k $808.8k $808.8k 0.03% Reduced -46.0k -46,000
68 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 410,000410.0k $733.3k $733.3k 0.00% Reduced -11.9m -11,892,000
69 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 366,000366.0k $663.5k $663.5k 0.00% Reduced -119.0k -119,000
70 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 240,000240.0k $431.6k $431.6k 0.00% Unchanged
71 DNCA FINANCE 0.03% of their portfolio PARIS, I0 200,000200.0k $360.0k $360.0k 0.03% Reduced -920.0k -920,000
72 ABN AMRO INVESTMENT SOLUTIONS 0.01% of their portfolio PARIS CEDEX 008, I0 200,000200.0k $360.1k $360.1k 0.01% Unchanged
73 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 150,000150.0k $269.8k $269.8k 0.00% Unchanged
74 LOOMIS SAYLES & CO L P 0.02% of their portfolio BOSTON, MA 102,516102.5k $14.8m $14.8m 0.02% Reduced -77.8k -77,800
75 VIRTUS ADVISERS, LLC 0.07% of their portfolio HARTFORD, CT 65,00065.0k $116.9k $116.9k 0.07% Unchanged
76 NOMURA HOLDINGS INC 0.05% of their portfolio TOKYO, M0 44,63444.6k $6.4m $6.4m 0.05% Reduced -31.3k -31,285
77 Stonegate Investment Group, LLC 0.00% of their portfolio BIRMINGHAM, AL 23,00023.0k $40.6k $40.6k 0.00% New
78 Boussard & Gavaudan Investment Management LLP 2.07% of their portfolio London, X0 9,0009.0k $16.1m $16.1m 2.07% Reduced -4.0k -4,000
79 Candriam S.C.A. 0.00% of their portfolio STRASSEN, N4 200200 $360.1k $360.1k 0.00% Unchanged
80 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged