OBA — Institutional owners (13F)

64 filers · $214.1M total · As of June 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institution Value Shares % of tracked 13F Type
Magnetar Financial LLC $12,800,000 1,250,000 5.98% Shares
D. E. Shaw & Co., Inc. $12,754,668 1,245,573 5.96% Shares
Westchester Capital Management, LLC $11,444,808 1,117,657 5.35% Shares
PICTON MAHONEY ASSET MANAGEMENT $10,373,303 1,015,000 4.85% Shares
Karpus Management, Inc. $8,647,909 846,175 4.04% Shares
WOLVERINE ASSET MANAGEMENT LLC $8,412,205 823,112 3.93% Shares
AQR Arbitrage LLC $8,323,830 812,874 3.89% Shares
MMCAP International Inc. SPC $7,665,000 750,000 3.58% Shares
TWO SIGMA INVESTMENTS, LP $7,065,740 691,364 3.30% Shares
ARISTEIA CAPITAL, L.L.C. $6,643,000 650,000 3.10% Shares
Radcliffe Capital Management, L.P. $6,390,525 625,296 2.99% Shares
TIG Advisors, LLC $6,149,415 601,704 2.87% Shares
TENOR CAPITAL MANAGEMENT Co., L.P. $6,132,000 600,000 2.86% Shares
Logan Stone Capital, LLC $5,134,773 502,424 2.40% Shares
Jain Global LLC $5,120,000 500,000 2.39% Shares
Hudson Bay Capital Management LP $5,120,000 500,000 2.39% Shares
Linden Advisors LP $5,120,000 500,000 2.39% Shares
Ghisallo Capital Management LLC $5,120,000 500,000 2.39% Shares
Verition Fund Management LLC $5,112,924 499,309 2.39% Shares
Polar Asset Management Partners Inc. $5,110,000 500,000 2.39% Shares
Wealthspring Capital LLC $4,608,811 450,960 2.15% Shares
OMERS ADMINISTRATION Corp $4,505,600 440,000 2.10% Shares
BERKLEY W R CORP $4,340,025 424,660 2.03% Shares
MILLENNIUM MANAGEMENT LLC $4,088,000 400,000 1.91% Shares
Shaolin Capital Management LLC $3,852,950 377,001 1.80% Shares
Periscope Capital Inc. $3,321,500 325,000 1.55% Shares
Context Capital Management, LLC $3,066,000 300,000 1.43% Shares
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $3,066,000 300,000 1.43% Shares
BNP PARIBAS FINANCIAL MARKETS $3,046,257 297,486 1.42% Shares
HIGHBRIDGE CAPITAL MANAGEMENT LLC $2,630,945 257,431 1.23% Shares
HEIGHTS CAPITAL MANAGEMENT, INC $2,560,000 250,000 1.20% Shares
O'Connor Alternative Investments LLC $2,560,000 250,000 1.20% Shares
Schonfeld Strategic Advisors LLC $2,499,209 244,541 1.17% Shares
Parallax Volatility Advisers, L.P. $2,391,521 234,004 1.12% Shares
MOORE CAPITAL MANAGEMENT, LP $2,044,000 200,000 0.95% Shares
SONA ASSET MANAGEMENT (US) LLC $1,988,801 194,599 0.93% Shares
Clear Street Group Inc. $1,647,720 161,225 0.77% Shares
Lineage Point Capital LP $1,430,800 140,000 0.67% Shares
GRITSTONE ASSET MANAGEMENT LLC $1,270,274 124,293 0.59% Shares
RIVERNORTH CAPITAL MANAGEMENT, LLC $1,029,000 100,000 0.48% Shares
Governors Lane LP $1,022,000 100,000 0.48% Shares
DLD Asset Management, LP $1,022,000 100,000 0.48% Shares
MANGROVE PARTNERS IM, LLC $1,022,000 100,000 0.48% Shares
WHITEBOX ADVISORS LLC $1,022,000 100,000 0.48% Shares
GABELLI & Co INVESTMENT ADVISERS, INC. $713,356 69,800 0.33% Shares
ATW SPAC MANAGEMENT LLC $631,307 63,390 0.29% Shares
GABELLI FUNDS LLC $571,380 55,908 0.27% Shares
Quarry LP $511,000 50,000 0.24% Shares
L1 Global Manager Pty Ltd $511,000 50,000 0.24% Shares
Timelo Investment Management Inc. $511,000 50,000 0.24% Shares
BOOTHBAY FUND MANAGEMENT, LLC $455,240 44,544 0.21% Shares
ABC ARBITRAGE SA $357,700 35,000 0.17% Shares
Stoic Point Capital Management LLC $329,084 32,200 0.15% Shares
Centiva Capital, LP $256,000 25,000 0.12% Shares
MIZUHO SECURITIES USA LLC $252,500 25,000 0.12% Shares
Wellspring Financial Advisors, LLC $147,168 14,400 0.07% Shares
STATE OF WISCONSIN INVESTMENT BOARD $113,401 11,096 0.05% Shares
Arax Advisory Partners $33,726 3,300 0.02% Shares
GLAZER CAPITAL, LLC $9,906 969,249 0.00% Shares
Mint Tower Capital Management B.V. $5,110 500,000 0.00% Shares
Kepos Capital LP $481 47,100 0.00% Shares
MORGAN STANLEY $460 45 0.00% Shares
HRT FINANCIAL LP $255 25,000 0.00% Shares
FNY Investment Advisers, LLC $37 3,626 0.00% Shares