13FBOX
OYSTER ENT · 13F Institutional Holdings
Options Calculator Rankings
O

OYSTER ENT

OYSE
Institutions
67
Combined AUM (Q2 2026)
$254.8M
Combined Shares (Q2 2026)
24.7M
Overall Trend
Decrease
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+325,587
11 · 2 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-484,711
11 · 1 Exit · ≈
⚖️ Net
-159,124
Net Sell
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$254.8M
Institutions
67
New Buys
2
Adds
9
Reduces
10
Exits
1
Unchanged
46
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
GLAZER CAPITAL, LLC
0.4%0.33%#7$16.1M1.6M$15.8M1.6M+12,348+0.80%Add
Magnetar Financial LLC
0.12%0.13%#20$13.4M1.3M$13.2M1.3M00.00%Unchanged
Westchester Capital Management, LLC
0.65%0.6%#4$13.4M1.3M$13.2M1.3M00.00%Unchanged
D. E. Shaw & Co., Inc.
0.01%0.01%#49$12.9M1.3M$12.8M1.3M00.00%Unchanged
LINDEN ADVISORS LP
0.06%0.07%#29$11.9M1.2M$11.8M1.2M00.00%Unchanged
AQR Arbitrage LLC
0.16%0.18%#17$11.3M1.1M$11.2M1.1M+4,900+0.45%Add
LMR Partners LLP
0.04%0.02%#33$11.3M1.1M$11.2M1.1M00.00%Unchanged
PICTON MAHONEY ASSET MANAGEMENT
0.08%0.08%#23$10.4M1.0M$10.2M1.0M+15,000+1.50%Add
TENOR CAPITAL MANAGEMENT Co., L.P.
0.13%0.14%#19$9.3M900,000$9.2M900,00000.00%Unchanged
METEORA CAPITAL, LLC
0.75%0.89%#1$9.1M881,794$12.1M1.2M-306,993-25.82%Reduce
Karpus Management, Inc.
0.24%0.21%#11$8.3M803,996$6.7M658,061+145,935+22.18%Add
TWO SIGMA INVESTMENTS, LP
0.01%0.01%#50$8.2M797,500$8.1M797,50000.00%Unchanged
Hudson Bay Capital Management LP
0.02%0.02%#41$7.2M696,530$7.1M696,53000.00%Unchanged
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#58$6.9M669,000$6.8M668,989+11+0.00%Add
Radcliffe Capital Management, L.P.
0.49%0.48%#6$6.4M623,742$6.3M623,741+1+0.00%Add
MOORE CAPITAL MANAGEMENT, LP
0.08%0.1%#24$5.1M500,000$5.1M500,00000.00%Unchanged
RIVERNORTH CAPITAL MANAGEMENT, LLC
0.23%0.24%#13$4.9M475,000$4.8M475,00000.00%Unchanged
BERKLEY W R CORP
0.23%0.26%#12$4.9M475,872$4.8M475,87200.00%Unchanged
ARISTEIA CAPITAL, L.L.C.
0.06%0.1%#30$4.7M454,000$4.6M454,00000.00%Unchanged
MANGROVE PARTNERS IM, LLC
0.3%0.37%#10$4.6M450,000$4.6M450,00000.00%Unchanged
Alberta Investment Management Corp
0.02%0.02%#40$4.1M400,000$4.1M400,00000.00%Unchanged
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
0.05%0.06%#32$4.1M400,000$4.1M400,00000.00%Unchanged
Polar Asset Management Partners Inc.
0.07%0.08%#28$4.1M399,800$4.1M399,900-100-0.03%Reduce
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
0.02%0.02%#44$3.6M350,000$3.6M350,00000.00%Unchanged
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#60$3.6M346,312$3.5M346,31200.00%Unchanged
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
<0.01%0.01%#51$3.5M340,000$3.5M340,00000.00%Unchanged
Bulldog Investors, LLP
0.73%0.74%#3$3.3M320,436$3.3M324,436-4,000-1.23%Reduce
Verition Fund Management LLC
<0.01%0.01%#54$3.0M292,103$3.1M301,711-9,608-3.18%Reduce
TORONTO DOMINION BANK
<0.01%<0.01%#57$2.9M277,000$2.8M277,00000.00%Unchanged
Context Capital Management, LLC
0.05%0.06%#31$2.6M250,782$2.6M250,78200.00%Unchanged
GABELLI & Co INVESTMENT ADVISERS, INC.
0.38%0.38%#8$2.6M250,700$2.5M250,70000.00%Unchanged
WHITEBOX ADVISORS LLC
0.03%0.03%#37$2.6M250,000$2.5M250,00000.00%Unchanged
PERISCOPE CAPITAL INC.
0.22%0.28%#14$2.5M244,345$2.5M244,34500.00%Unchanged
Schonfeld Strategic Advisors LLC
0.01%0.01%#47$2.4M235,091$2.1M207,303+27,788+13.40%Add
WOLVERINE ASSET MANAGEMENT LLC
0.02%0.02%#42$2.2M214,698$2.2M217,108-2,410-1.11%Reduce
Shaolin Capital Management LLC
0.15%0.17%#18$2.2M210,002$2.5M250,000-39,998-16.00%Reduce
MMCAP International Inc. SPC
0.17%0.18%#16$2.1M200,000$2.0M200,00000.00%Unchanged
MYDA Advisors LLC
0.3%0.33%#9$2.0M199,000$2.0M199,00000.00%Unchanged
Clear Street Group Inc.
<0.01%0.01%#52$1.8M178,908$2.0M199,495-20,587-10.32%Reduce
GABELLI FUNDS LLC
0.01%0.01%#46$1.8M174,300$2.0M199,300-25,000-12.54%Reduce
SONA ASSET MANAGEMENT (US) LLC
0.04%0.04%#36$1.8M173,344$1.8M173,34400.00%Unchanged
First Trust Capital Management L.P.
0.09%0.08%#22$1.5M150,000$1.5M150,00000.00%Unchanged
Mint Tower Capital Management B.V.
0.18%0.15%#15$1.5M150,000$1.5M150,00000.00%Unchanged
Calamos Advisors LLC
<0.01%<0.01%#53$1.3M123,093$1.3M123,09300.00%Unchanged
O'Connor Alternative Investments LLC
0.07%0.09%#26$1.0M100,000$1.0M100,00000.00%Unchanged
JPMORGAN CHASE & CO
<0.01%<0.01%#62$1.0M100,000$1.0M100,00000.00%Unchanged
DLD Asset Management, LP
0.07%0.09%#27$1.0M100,038$1.0M100,03800.00%Unchanged
L1 Global Manager Pty Ltd
0.73%0.68%#2$1.0M100,000$1.0M100,00000.00%Unchanged
Parallax Volatility Advisers, L.P.
<0.01%<0.01%#59$934,25190,616$706,27969,040+21,576+31.25%Add
683 Capital Management, LLC
0.04%0.04%#35$771,75075,000$762,75875,00000.00%Unchanged

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow