← All institutions
Institutional Holdings
BLRKOwnership Summary
Institutions Holding
73
Total Shares Held
21,340,642
Total Value Held
$153,957,697
Quarter
2026-06-30
Active Positions
Increased Positions
14
5,009,534 shares
Decreased Positions
11
3,238,177 shares
Held Positions
39
12,626,569 shares
New Positions
4
466,362 shares
Sold Out Positions
5
292,438 shares
| Institution | Shares | Value | Change | % of Portfolio | Reported |
|---|---|---|---|---|---|
| Magnetar Financial LLC | 1,066,656 | $8,103,919 | ▼ -8 | 0.07% | 2026-06-30 |
| AQR Arbitrage LLC | 1,010,915 | $7,605,633 | ▲ +10,103 | 0.11% | 2026-06-30 |
| Linden Advisors LP | 1,000,000 | $7,597,500 | Unchanged | 0.04% | 2026-06-30 |
| MILLENNIUM MANAGEMENT LLC | 800,000 | $6,078,000 | ▲ +200,000 | 0.00% | 2026-06-30 |
| ARISTEIA CAPITAL, L.L.C. | 680,812 | $5,172,479 | Unchanged | 0.07% | 2026-06-30 |
| PICTON MAHONEY ASSET MANAGEMENT | 666,666 | $5,065,001 | Unchanged | 0.04% | 2026-06-30 |
| Polar Asset Management Partners Inc. | 666,666 | $5,065,000 | Unchanged | 0.08% | 2026-06-30 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 666,666 | $5,065,000 | Unchanged | 0.01% | 2026-06-30 |
| Alberta Investment Management Corp | 666,666 | $5,065,000 | Unchanged | 0.03% | 2026-06-30 |
| BNP PARIBAS FINANCIAL MARKETS | 607,457 | $4,699,892 | Unchanged | 0.00% | 2026-06-30 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 500,000 | $4,513,500 | ▼ -100,000 | 0.01% | 2026-06-30 |
| Wealthspring Capital LLC | 557,681 | $4,229,080 | ▼ -15,630 | 0.94% | 2026-06-30 |
| WOLVERINE ASSET MANAGEMENT LLC | 436,836 | $4,200,797 | ▲ +59,076 | 0.04% | 2026-06-30 |
| Radcliffe Capital Management, L.P. | 533,906 | $4,056,365 | Unchanged | 0.31% | 2026-06-30 |
| Periscope Capital Inc. | 538,800 | $4,054,460 | Unchanged | 0.36% | 2026-06-30 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 533,333 | $4,052,000 | Unchanged | 0.06% | 2026-06-30 |
| MMCAP International Inc. SPC | 533,332 | $4,051,999 | ▲ +133,332 | 0.34% | 2026-06-30 |
| LMR Partners LLP | 400,000 | $4,044,000 | Unchanged | 0.02% | 2026-06-30 |
| Hudson Bay Capital Management LP | 466,664 | $3,545,480 | Unchanged | 0.01% | 2026-06-30 |
| Verition Fund Management LLC | 461,666 | $3,543,250 | Unchanged | 0.02% | 2026-06-30 |
| L1 Global Manager Pty Ltd | 350,000 | $3,493,000 | Unchanged | 2.47% | 2026-06-30 |
| First Trust Capital Management L.P. | 333,039 | $3,323,729 | Unchanged | 0.19% | 2026-06-30 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 399,996 | $3,057,960 | Unchanged | 0.15% | 2026-06-30 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 400,000 | $3,039,000 | Unchanged | 0.01% | 2026-06-30 |
| OMERS ADMINISTRATION Corp | 300,000 | $3,033,000 | Unchanged | 0.02% | 2026-06-30 |
| RLH Capital LLC | 366,666 | $2,785,750 | ▲ +91,666 | 1.33% | 2026-06-30 |
| Kryger Capital LLC | 275,382 | $2,748,312 | ▲ +29,801 | 0.16% | 2026-06-30 |
| TWO SIGMA INVESTMENTS, LP | 271,875 | $2,713,313 | Unchanged | 0.00% | 2026-06-30 |
| Context Capital Management, LLC | 333,333 | $2,532,500 | Unchanged | 0.05% | 2026-06-30 |
| Westchester Capital Management, LLC | 250,000 | $2,522,500 | Unchanged | 0.12% | 2026-06-30 |
| Quarry LP | 283,333 | $2,278,750 | ▲ +58,333 | 0.19% | 2026-06-30 |
| WHITEBOX ADVISORS LLC | 291,366 | $2,213,658 | New position | 0.03% | 2026-06-30 |
| Shaolin Capital Management LLC | 298,657 | $2,186,443 | ▼ -34,675 | 0.10% | 2026-06-30 |
| Meteora Capital, LLC | 274,553 | $1,911,859 | ▼ -73,500 | 0.16% | 2026-06-30 |
| Clear Street Group Inc. | 241,525 | $1,749,202 | ▼ -29,328 | 0.00% | 2026-06-30 |
| MOORE CAPITAL MANAGEMENT, LP | 199,999 | $1,519,500 | Unchanged | 0.02% | 2026-06-30 |
| SONA ASSET MANAGEMENT (US) LLC | 199,997 | $1,519,499 | Unchanged | 0.03% | 2026-06-30 |
| Lineage Point Capital LP | 191,999 | $1,458,720 | Unchanged | 0.30% | 2026-06-30 |
| GRITSTONE ASSET MANAGEMENT LLC | 166,666 | $1,266,250 | Unchanged | 1.22% | 2026-06-30 |
| Ghisallo Capital Management LLC | 100,000 | $1,034,500 | Unchanged | 0.02% | 2026-06-30 |
| Cable Car Capital, LP | 133,336 | $1,013,020 | ▲ +33,336 | 0.02% | 2026-06-30 |
| TIG Advisors, LLC | 133,331 | $1,009,666 | ▲ +33,331 | 0.04% | 2026-06-30 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 120,465 | $1,007,209 | ▼ -12,868 | 0.23% | 2026-06-30 |
| MIZUHO SECURITIES USA LLC | 69,267 | $689,207 | New position | 0.01% | 2026-06-30 |
| Arax Advisory Partners | 75,728 | $573,450 | New position | 0.00% | 2026-06-30 |
| JPMORGAN CHASE & CO | 50,000 | $504,500 | Unchanged | 0.00% | 2026-06-30 |
| ABC ARBITRAGE SA | 48,333 | $355,300 | ▼ -5,000 | 0.04% | 2026-06-30 |
| CANTOR FITZGERALD, L. P. | 34,800 | $351,132 | Unchanged | 0.00% | 2026-06-30 |
| StoneX Group Inc. | 30,001 | $299,410 | New position | 0.01% | 2026-06-30 |
| Crossingbridge Advisors, LLC | 30,000 | $299,400 | ▼ -20,000 | 0.05% | 2026-06-30 |
| Stoic Point Capital Management LLC | 25,000 | $252,750 | Unchanged | 0.21% | 2026-06-30 |
| PRELUDE CAPITAL MANAGEMENT, LLC | 25,000 | $252,750 | Unchanged | 0.02% | 2026-06-30 |
| BlueCrest Capital Management Ltd | 25,000 | $252,250 | Unchanged | 0.01% | 2026-06-30 |
| Centiva Capital, LP | 25,000 | $249,500 | Unchanged | 0.00% | 2026-06-30 |
| BOOTHBAY FUND MANAGEMENT, LLC | 22,313 | $225,584 | Unchanged | 0.00% | 2026-06-30 |
| CSS LLC/IL | 288,064 | $129,629 | ▲ +153,597 | 0.01% | 2026-06-30 |
| Schonfeld Strategic Advisors LLC | 10,001 | $99,809 | Unchanged | 0.00% | 2026-06-30 |
| STATE OF WISCONSIN INVESTMENT BOARD | 10,000 | $99,800 | Unchanged | 0.00% | 2026-06-30 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 148,723 | $66,925 | ▲ +4,659 | 0.00% | 2026-06-30 |
| K2 PRINCIPAL FUND, L.P. | 33,333 | $11,667 | Unchanged | 0.00% | 2026-06-30 |
| Mint Tower Capital Management B.V. | 866,666 | $6,584 | Unchanged | 0.76% | 2026-06-30 |
| OSAIC HOLDINGS, INC. | 500 | $5,045 | ▼ -50 | 0.00% | 2026-06-30 |
| GLAZER CAPITAL, LLC | 579,157 | $4,658 | ▲ +107,707 | 0.11% | 2026-06-30 |
| SYQUANT CAPITAL SAS | 105,750 | $1,067 | Unchanged | 0.24% | 2026-06-30 |
| HRT FINANCIAL LP | 99,807 | $1,007 | ▼ -193 | 0.00% | 2026-06-30 |
| MORGAN STANLEY | 30 | $299 | ▲ +22 | 0.00% | 2026-06-30 |
| Virtu Financial LLC | 20,429 | $204 | ▲ +6,614 | 0.01% | 2026-06-30 |
| Kepos Capital LP | 7,500 | $75 | Unchanged | 0.10% | 2026-06-30 |
| Ilex Capital Partners (UK) LLP | 0 | $0 | Sold out | 2026-06-30 | |
| BERKLEY W R CORP | 0 | $0 | Sold out | 2026-06-30 | |
| DELTEC ASSET MANAGEMENT LLC | 0 | $0 | Sold out | 2026-06-30 | |
| ROYAL BANK OF CANADA | 0 | $0 | Sold out | 2026-06-30 | |
| UBS Group AG | 0 | $0 | Sold out | 2026-06-30 |