1RT Acquisition Corp. - ONCH
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| METEORA CAPITAL, LLC | History | Added to | 1,705,014 | 17,288 | 1.28% | 1.31% | 1 | +166,000 | 10.79% | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | History | No change | 1,500,000 | 15,420 | 0.02% | 0.02% | 2 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| LINDEN ADVISORS LP | History | Added to | 1,010,100 | 10,242 | 0.06% | 0.03% | 3 | +500,000 | 98.02% | Q1 2026 | May 15, 2026 |
| Jain Global LLC | History | Reduced | 891,221 | 9,036 | 0.04% | 0.04% | 4 | -1,000 | -0.11% | Q1 2026 | May 15, 2026 |
| Governors Lane LP | History | Added to | 750,000 | 7,612 | 0.49% | 0.32% | 5 | +227,337 | 43.5% | Q1 2026 | May 15, 2026 |
| LMR Partners LLP | History | No change | 700,000 | 7,196 | 0.02% | 0.01% | 6 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| J. Goldman & Co LP | History | Reduced | 875,000 | 7,175 | 0.21% | 0.24% | 7 | -203,125 | -18.84% | Q1 2026 | May 15, 2026 |
| MMCAP International Inc. SPC | History | No change | 600,000 | 6,084 | 0.53% | 0.61% | 8 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Saba Capital Management, L.P. | History | Reduced | 524,932 | 5,328 | 0.15% | 0.23% | 9 | -250,000 | -32.26% | Q1 2026 | May 15, 2026 |
| Polar Asset Management Partners Inc. | History | No change | 500,000 | 5,140 | 0.1% | 0.07% | 10 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Radcliffe Capital Management, L.P. | History | Added to | 385,436 | 3,912 | 0.29% | 0.08% | 11 | +246,144 | 176.71% | Q1 2026 | May 15, 2026 |
| Verition Fund Management LLC | History | Added to | 345,235 | 3,500 | 0.02% | 0.01% | 12 | +52,266 | 17.84% | Q1 2026 | May 15, 2026 |
| First Trust Capital Management L.P. | History | No change | 299,996 | 3,041 | 0.16% | 0.19% | 13 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 293,160 | 2,972 | 0.0% | 0.0% | 14 | +31,208 | 11.91% | Q1 2026 | May 15, 2026 |
| WHITEBOX ADVISORS LLC | History | No change | 260,000 | 2,636 | 0.03% | 0.04% | 15 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Ghisallo Capital Management LLC | History | No change | 250,000 | 2,570 | 0.07% | 0.12% | 16 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Context Capital Management, LLC | History | No change | 250,000 | 2,537 | 0.06% | 0.07% | 17 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | History | No change | 250,000 | 2,535 | 0.04% | 0.04% | 18 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| MOORE CAPITAL MANAGEMENT, LP | History | No change | 250,000 | 2,535 | 0.05% | 0.04% | 19 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | History | No change | 250,000 | 2,535 | 0.0% | 0.0% | 20 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| HBK INVESTMENTS L P | History | No change | 249,304 | 2,527 | 0.03% | 0.02% | 21 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Mint Tower Capital Management B.V. | History | No change | 200,000 | 2,028 | 0.18% | 0.24% | 22 | 0 | 0.0% | Q1 2026 | May 04, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 180,358 | 1,852 | 0.0% | 0.0% | 23 | +3,728 | 2.11% | Q1 2026 | May 15, 2026 |
| Clear Street Group Inc. | History | Added to | 172,315 | 1,765 | 0.01% | 0.01% | 24 | +8,622 | 5.27% | Q1 2026 | May 15, 2026 |
| SONA ASSET MANAGEMENT (US) LLC | History | New | 161,200 | 1,634 | 0.03% | — | 25 | +161,200 | New | Q1 2026 | May 15, 2026 |
| Shaolin Capital Management LLC | History | Reduced | 158,656 | 1,608 | 0.06% | 0.06% | 26 | -41,344 | -20.67% | Q1 2026 | May 15, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | New | 154,248 | 1,564 | 0.02% | — | 27 | +154,248 | New | Q1 2026 | May 04, 2026 |
| PERISCOPE CAPITAL INC. | History | Added to | 153,962 | 1,562 | 0.17% | 0.09% | 28 | +74,362 | 93.42% | Q1 2026 | May 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 150,624 | 1,527 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| TORONTO DOMINION BANK | History | Added to | 127,474 | 1,306 | 0.0% | 0.0% | 30 | +17,436 | 15.85% | Q1 2026 | May 15, 2026 |
| Cable Car Capital, LP | History | No change | 125,000 | 1,267 | 0.44% | 0.04% | 31 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| DLD Asset Management, LP | History | No change | 109,331 | 1,108 | 0.1% | 0.08% | 32 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| JPMORGAN CHASE & CO | History | No change | 103,152 | 1,051 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | History | No change | 100,000 | 1,020 | 0.12% | 0.12% | 34 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| O'Connor Alternative Investments LLC | History | New | 100,000 | 1,014 | 0.09% | — | 39 | +100,000 | New | Q1 2026 | May 15, 2026 |
| ARISTEIA CAPITAL, L.L.C. | History | No change | 100,000 | 1,014 | 0.02% | 0.02% | 35 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Magnetar Financial LLC | History | No change | 100,000 | 1,014 | 0.01% | 0.01% | 36 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| K2 PRINCIPAL FUND, L.P. | History | No change | 100,000 | 1,014 | 0.07% | 0.08% | 37 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| PICTON MAHONEY ASSET MANAGEMENT | History | No change | 100,000 | 1,014 | 0.01% | 0.01% | 38 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | History | No change | 88,032 | 892 | 0.04% | 0.04% | 40 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| PEAK6 LLC | History | No change | 75,000 | 771 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Virtu Financial LLC | History | Reduced | 75,157 | 762 | 0.03% | 0.03% | 42 | -5,131 | -6.39% | Q1 2026 | May 14, 2026 |
| GLAZER CAPITAL, LLC | History | New | 75,000 | 761 | 0.02% | — | 43 | +75,000 | New | Q1 2026 | May 14, 2026 |
| BERKLEY W R CORP | History | No change | 74,416 | 755 | 0.04% | 0.04% | 44 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| AQR Arbitrage LLC | History | Reduced | 73,135 | 741 | 0.01% | 0.02% | 45 | -2,797 | -3.68% | Q1 2026 | May 15, 2026 |
| Kamunting Street Capital Management, L.P. | History | No change | 60,000 | 617 | 0.34% | 0.43% | 46 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | Added to | 60,000 | 609 | 0.03% | 0.0% | 47 | +50,000 | 500.0% | Q1 2026 | May 15, 2026 |
| MIZUHO SECURITIES USA LLC | History | New | 60,253 | 608 | 0.01% | — | 49 | +60,253 | New | Q1 2026 | May 11, 2026 |
| Centiva Capital, LP | History | Added to | 60,000 | 608 | 0.0% | 0.0% | 48 | +50,000 | 500.0% | Q1 2026 | May 14, 2026 |
| OMERS ADMINISTRATION Corp | History | Added to | 49,991 | 513 | 0.0% | 0.0% | 50 | +24,991 | 99.96% | Q1 2026 | May 15, 2026 |
| RLH Capital LLC | History | New | 49,959 | 507 | 0.26% | — | 52 | +49,959 | New | Q1 2026 | Apr 28, 2026 |
| Quarry LP | History | Reduced | 49,959 | 507 | 0.09% | 0.1% | 51 | -10,000 | -16.68% | Q1 2026 | May 15, 2026 |
| GRITSTONE ASSET MANAGEMENT LLC | History | No change | 49,433 | 501 | 0.53% | 0.48% | 53 | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| HRT FINANCIAL LP | History | Reduced | 46,701 | 480 | 0.0% | 0.0% | 54 | -2,697 | -5.46% | Q1 2026 | May 14, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | No change | 46,070 | 467 | 0.01% | 0.01% | 55 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Westchester Capital Management, LLC | History | No change | 30,820 | 316 | 0.01% | 0.01% | 56 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | History | Added to | 29,947 | 303 | 0.0% | 0.0% | 57 | +19,947 | 199.47% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 27,168 | 275 | 0.0% | 0.0% | 58 | +3,108 | 12.92% | Q1 2026 | May 12, 2026 |
| Hudson Bay Capital Management LP | History | No change | 25,000 | 253 | 0.0% | 0.0% | 59 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Alberta Investment Management Corp | History | No change | 25,000 | 253 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | History | No change | 25,000 | 253 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Yakira Capital Management, Inc. | History | Reduced | 24,485 | 251 | 0.07% | 0.09% | 62 | -515 | -2.06% | Q1 2026 | May 14, 2026 |
| SCOGGIN MANAGEMENT LP | History | No change | 20,000 | 205 | 0.02% | 0.03% | 63 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Schonfeld Strategic Advisors LLC | History | New | 20,000 | 203 | 0.0% | — | 64 | +20,000 | New | Q1 2026 | May 15, 2026 |
| Parallax Volatility Advisers, L.P. | History | New | 12,188 | 125 | 0.0% | — | 65 | +12,188 | New | Q1 2026 | May 15, 2026 |
| KRYGER CAPITAL Ltd | History | No change | 10,134 | 105 | 0.01% | 0.01% | 66 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Sandia Investment Management LP | History | No change | 10,000 | 104 | 0.26% | 0.26% | 67 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Walleye Capital LLC | History | No change | 10,000 | 102 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | History | No change | 10,000 | 101 | 0.0% | 0.0% | 69 | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| TIG Advisors, LLC | History | No change | 10,000 | 101 | 0.0% | 0.0% | 70 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| PenderFund Capital Management Ltd. | History | No change | 5,000 | 50 | 0.01% | 0.01% | 71 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Added to | 328 | 3 | 0.0% | 0.0% | 72 | +184 | 127.78% | Q1 2026 | May 05, 2026 |
| Harraden Circle Investments, LLC | History | Closed out | 0 | 0 | — | 2.8% | — | -1,500,192 | -100.0% | Q1 2026 | May 15, 2026 |
| ExodusPoint Capital Management, LP | History | Closed out | 0 | 0 | — | 0.02% | — | -250,000 | -100.0% | Q1 2026 | May 14, 2026 |
| HGC Investment Management Inc. | History | Closed out | 0 | 0 | — | 0.44% | — | -200,000 | -100.0% | Q1 2026 | May 15, 2026 |
| SYQUANT CAPITAL SAS | History | Closed out | 0 | 0 | — | 0.01% | — | -10,000 | -100.0% | Q1 2026 | Apr 10, 2026 |
| ROYAL BANK OF CANADA | History | Closed out | 0 | 0 | — | 0.0% | — | -167 | -100.0% | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Added to | 78 | 0 | — | — | — | +32 | 69.57% | Q1 2026 | May 15, 2026 |