APXT — Institutional owners (13F)

61 filers · $288.5M 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
ADAGE CAPITAL PARTNERS GP, L.L.C. $22,612,500 2,250,000 7.84% Shares
HIGHBRIDGE CAPITAL MANAGEMENT LLC $18,117,869 1,802,773 6.28% Shares
Hudson Bay Capital Management LP $15,086,658 1,501,160 5.23% Shares
WOLVERINE ASSET MANAGEMENT LLC $14,331,280 1,425,998 4.97% Shares
Karpus Management, Inc. $12,598,248 1,253,557 4.37% Shares
Alberta Investment Management Corp $11,055,000 1,100,000 3.83% Shares
D. E. Shaw & Co., Inc. $10,385,891 1,033,422 3.60% Shares
Westchester Capital Management, LLC $10,050,000 1,000,000 3.48% Shares
Lineage Point Capital LP $9,637,950 959,000 3.34% Shares
TENOR CAPITAL MANAGEMENT Co., L.P. $8,542,500 850,000 2.96% Shares
Magnetar Financial LLC $8,542,500 850,000 2.96% Shares
Linden Advisors LP $8,542,500 850,000 2.96% Shares
HighTower Advisors, LLC $8,172,158 813,150 2.83% Shares
AQR Arbitrage LLC $7,965,198 792,557 2.76% Shares
Polar Asset Management Partners Inc. $7,537,500 750,000 2.61% Shares
Verition Fund Management LLC $6,934,500 690,000 2.40% Shares
Radcliffe Capital Management, L.P. $6,783,750 675,000 2.35% Shares
First Trust Capital Management L.P. $6,582,328 654,958 2.28% Shares
Crossingbridge Advisors, LLC $6,281,250 625,000 2.18% Shares
MILLENNIUM MANAGEMENT LLC $6,194,378 616,356 2.15% Shares
Harraden Circle Investments, LLC $6,030,000 600,000 2.09% Shares
ARISTEIA CAPITAL, L.L.C. $5,527,500 550,000 1.92% Shares
TWO SIGMA INVESTMENTS, LP $5,464,688 543,750 1.89% Shares
Meteora Capital, LLC $5,389,122 536,231 1.87% Shares
PICTON MAHONEY ASSET MANAGEMENT $5,025,001 500,000 1.74% Shares
Wealthspring Capital LLC $4,943,495 491,890 1.71% Shares
Centiva Capital, LP $4,380,654 435,886 1.52% Shares
Shaolin Capital Management LLC $4,087,255 406,692 1.42% Shares
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $4,020,000 400,000 1.39% Shares
MOORE CAPITAL MANAGEMENT, LP $4,020,000 400,000 1.39% Shares
Periscope Capital Inc. $3,768,750 375,000 1.31% Shares
SONA ASSET MANAGEMENT (US) LLC $3,441,341 342,422 1.19% Shares
Governors Lane LP $3,015,000 300,000 1.05% Shares
WHITEBOX ADVISORS LLC $3,015,000 300,000 1.05% Shares
MIZUHO SECURITIES USA LLC $2,571,100 257,110 0.89% Shares
RIVERNORTH CAPITAL MANAGEMENT, LLC $2,544,816 251,464 0.88% Shares
BNP PARIBAS FINANCIAL MARKETS $2,213,754 220,274 0.77% Shares
Quarry LP $2,010,000 200,000 0.70% Shares
Parallax Volatility Advisers, L.P. $1,759,222 175,047 0.61% Shares
Context Capital Management, LLC $1,505,490 149,800 0.52% Shares
DLD Asset Management, LP $1,256,250 125,000 0.44% Shares
Schonfeld Strategic Advisors LLC $1,155,750 115,000 0.40% Shares
O'Connor Alternative Investments LLC $1,005,000 100,000 0.35% Shares
Dakota Wealth Management $867,315 86,300 0.30% Shares
Clear Street Group Inc. $705,530 70,202 0.24% Shares
Logan Stone Capital, LLC $634,366 63,121 0.22% Shares
GRITSTONE ASSET MANAGEMENT LLC $502,500 50,000 0.17% Shares
TORONTO DOMINION BANK $380,895 37,900 0.13% Shares
ROBINSON CAPITAL MANAGEMENT, LLC $271,350 27,000 0.09% Shares
HEIGHTS CAPITAL MANAGEMENT, INC $251,250 25,000 0.09% Shares
ABC ARBITRAGE SA $201,000 20,000 0.07% Shares
Rangeley Capital, LLC $177,895 17,701 0.06% Shares
GEODE CAPITAL MANAGEMENT, LLC $166,850 16,602 0.06% Shares
JPMORGAN CHASE & CO $157,403 15,662 0.05% Shares
UBS Group AG $54,974 5,470 0.02% Shares
Arax Advisory Partners $17,487 1,740 0.01% Shares
GLAZER CAPITAL, LLC $14,082 1,401,165 0.00% Shares
Mint Tower Capital Management B.V. $1,005 100,000 0.00% Shares
Kepos Capital LP $518 51,573 0.00% Shares
Virtu Financial LLC $262 26,090 0.00% Shares
MORGAN STANLEY $261 26 0.00% Shares