IRHO — Institutional owners (13F)

53 filers · $183.1M 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
MMCAP International Inc. SPC $15,045,000 1,500,000 8.21% Shares
Magnetar Financial LLC $15,045,000 1,500,000 8.21% Shares
Linden Advisors LP $15,045,000 1,500,000 8.21% Shares
AQR Arbitrage LLC $11,232,276 1,119,868 6.13% Shares
PICTON MAHONEY ASSET MANAGEMENT $9,027,003 900,000 4.93% Shares
Polar Asset Management Partners Inc. $8,024,000 800,000 4.38% Shares
Wealthspring Capital LLC $7,387,195 736,510 4.03% Shares
BNP PARIBAS FINANCIAL MARKETS $6,510,824 649,135 3.55% Shares
Radcliffe Capital Management, L.P. $6,090,035 607,182 3.33% Shares
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $6,039,715 602,165 3.30% Shares
First Trust Capital Management L.P. $6,018,000 600,000 3.29% Shares
TENOR CAPITAL MANAGEMENT Co., L.P. $5,491,505 547,508 3.00% Shares
HIGHBRIDGE CAPITAL MANAGEMENT LLC $5,062,024 503,684 2.76% Shares
HEIGHTS CAPITAL MANAGEMENT, INC $4,714,100 470,000 2.57% Shares
MANGROVE PARTNERS IM, LLC $4,513,500 450,000 2.46% Shares
Context Capital Management, LLC $4,012,000 400,000 2.19% Shares
TIG Advisors, LLC $4,012,000 400,000 2.19% Shares
Hudson Bay Capital Management LP $3,802,854 379,148 2.08% Shares
Kryger Capital LLC $3,791,862 378,052 2.07% Shares
TWO SIGMA INVESTMENTS, LP $3,635,875 362,500 1.99% Shares
WHITEBOX ADVISORS LLC $3,510,500 350,000 1.92% Shares
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $3,009,000 300,000 1.64% Shares
MILLENNIUM MANAGEMENT LLC $3,009,000 300,000 1.64% Shares
HGC Investment Management Inc. $2,993,845 298,489 1.63% Shares
Alberta Investment Management Corp $2,507,500 250,000 1.37% Shares
BERKLEY W R CORP $2,485,936 247,850 1.36% Shares
SONA ASSET MANAGEMENT (US) LLC $2,448,714 244,139 1.34% Shares
JPMORGAN CHASE & CO $2,199,030 218,809 1.20% Shares
Meteora Capital, LLC $2,181,013 217,449 1.19% Shares
Shaolin Capital Management LLC $2,097,022 209,075 1.14% Shares
Periscope Capital Inc. $1,504,500 150,000 0.82% Shares
Yakira Capital Management, Inc. $1,473,477 146,907 0.80% Shares
TORONTO DOMINION BANK $1,314,502 131,057 0.72% Shares
WOLVERINE ASSET MANAGEMENT LLC $1,136,078 113,268 0.62% Shares
L1 Global Manager Pty Ltd $1,003,000 100,000 0.55% Shares
MOORE CAPITAL MANAGEMENT, LP $1,003,000 100,000 0.55% Shares
O'Connor Alternative Investments LLC $1,003,000 100,000 0.55% Shares
Karpus Management, Inc. $789,110 78,675 0.43% Shares
SummitTX Capital, L.P. $572,322 57,061 0.31% Shares
PRELUDE CAPITAL MANAGEMENT, LLC $551,650 55,000 0.30% Shares
Stoic Point Capital Management LLC $551,650 55,000 0.30% Shares
RIVERNORTH CAPITAL MANAGEMENT, LLC $499,499 49,900 0.27% Shares
PenderFund Capital Management Ltd. $258,774 25,800 0.14% Shares
Ionic Capital Management LLC $189,316 18,875 0.10% Shares
UBS Group AG $147,973 14,753 0.08% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $110,330 11,000 0.06% Shares
Clear Street Group Inc. $87,662 8,740 0.05% Shares
GLAZER CAPITAL, LLC $9,111 908,336 0.00% Shares
Mint Tower Capital Management B.V. $2,508 250,000 0.00% Shares
Kepos Capital LP $401 40,000 0.00% Shares
FNY Investment Advisers, LLC $250 25,000 0.00% Shares
Virtu Financial LLC $154 15,344 0.00% Shares
MORGAN STANLEY $20 2 0.00% Shares