OYSE — Institutional owners (13F)

61 filers · $235.7M 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 $13,403,000 1,300,000 5.69% Shares
Westchester Capital Management, LLC $13,352,605 1,295,112 5.67% Shares
D. E. Shaw & Co., Inc. $12,911,729 1,252,350 5.48% Shares
Linden Advisors LP $11,856,500 1,150,000 5.03% Shares
AQR Arbitrage LLC $11,347,021 1,100,584 4.82% Shares
LMR Partners LLP $11,319,000 1,100,000 4.80% Shares
PICTON MAHONEY ASSET MANAGEMENT $10,444,353 1,015,000 4.43% Shares
TENOR CAPITAL MANAGEMENT Co., L.P. $9,261,000 900,000 3.93% Shares
Meteora Capital, LLC $9,073,660 881,794 3.85% Shares
Karpus Management, Inc. $8,273,119 803,996 3.51% Shares
TWO SIGMA INVESTMENTS, LP $8,206,275 797,500 3.48% Shares
Hudson Bay Capital Management LP $7,181,224 696,530 3.05% Shares
MILLENNIUM MANAGEMENT LLC $6,884,010 669,000 2.92% Shares
Radcliffe Capital Management, L.P. $6,418,305 623,742 2.72% Shares
MOORE CAPITAL MANAGEMENT, LP $5,145,000 500,000 2.18% Shares
RIVERNORTH CAPITAL MANAGEMENT, LLC $4,906,750 475,000 2.08% Shares
BERKLEY W R CORP $4,906,240 475,872 2.08% Shares
ARISTEIA CAPITAL, L.L.C. $4,671,660 454,000 1.98% Shares
MANGROVE PARTNERS IM, LLC $4,630,500 450,000 1.96% Shares
Alberta Investment Management Corp $4,124,000 400,000 1.75% Shares
Davidson Kempner Capital Management LP $4,116,000 400,000 1.75% Shares
Polar Asset Management Partners Inc. $4,113,942 399,800 1.75% Shares
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $3,601,500 350,000 1.53% Shares
GOLDMAN SACHS GROUP INC $3,563,550 346,312 1.51% Shares
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $3,505,400 340,000 1.49% Shares
Bulldog Investors, LLP $3,297,286 320,436 1.40% Shares
Verition Fund Management LLC $3,011,582 292,103 1.28% Shares
TORONTO DOMINION BANK $2,854,370 277,000 1.21% Shares
Context Capital Management, LLC $2,580,547 250,782 1.10% Shares
GABELLI & Co INVESTMENT ADVISERS, INC. $2,579,703 250,700 1.09% Shares
WHITEBOX ADVISORS LLC $2,572,500 250,000 1.09% Shares
Periscope Capital Inc. $2,514,310 244,345 1.07% Shares
Schonfeld Strategic Advisors LLC $2,419,086 235,091 1.03% Shares
WOLVERINE ASSET MANAGEMENT LLC $2,209,242 214,698 0.94% Shares
Shaolin Capital Management LLC $2,160,921 210,002 0.92% Shares
MMCAP International Inc. SPC $2,058,000 200,000 0.87% Shares
MYDA Advisors LLC $2,047,710 199,000 0.87% Shares
Clear Street Group Inc. $1,840,963 178,908 0.78% Shares
GABELLI FUNDS LLC $1,793,547 174,300 0.76% Shares
SONA ASSET MANAGEMENT (US) LLC $1,783,710 173,344 0.76% Shares
First Trust Capital Management L.P. $1,543,500 150,000 0.65% Shares
MIZUHO SECURITIES USA LLC $1,501,451 146,483 0.64% Shares
Calamos Advisors LLC $1,269,089 123,093 0.54% Shares
O'Connor Alternative Investments LLC $1,031,000 100,000 0.44% Shares
DLD Asset Management, LP $1,029,391 100,038 0.44% Shares
L1 Global Manager Pty Ltd $1,029,000 100,000 0.44% Shares
Parallax Volatility Advisers, L.P. $934,251 90,616 0.40% Shares
683 Capital Management, LLC $771,750 75,000 0.33% Shares
HEIGHTS CAPITAL MANAGEMENT, INC $515,500 50,000 0.22% Shares
Limestone Investment Advisors LP $515,467 50,094 0.22% Shares
GRITSTONE ASSET MANAGEMENT LLC $508,624 49,429 0.22% Shares
HIGHBRIDGE CAPITAL MANAGEMENT LLC $492,046 47,911 0.21% Shares
Dakota Wealth Management $420,861 40,900 0.18% Shares
BNP PARIBAS FINANCIAL MARKETS $411,348 39,898 0.17% Shares
ABC ARBITRAGE SA $257,250 25,000 0.11% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $214,799 20,834 0.09% Shares
GEODE CAPITAL MANAGEMENT, LLC $149,061 14,458 0.06% Shares
Warberg Asset Management LLC $102,900 10,000 0.04% Shares
GLAZER CAPITAL, LLC $16,077 1,562,348 0.01% Shares
Mint Tower Capital Management B.V. $1,544 150,000 0.00% Shares
MORGAN STANLEY $442 43 0.00% Shares