GSR III Acquisition Corp. - G4R103107
Detailed investor-level table based on 13F positions.
Early Q4 2025 data: only 2 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TORONTO DOMINION BANK | History | New | 1,303,861 | 13,508 | 0.02% | — | 1 | +1,303,861 | New | Q3 2025 | Nov 14, 2025 |
| Harraden Circle Investments, LLC | History | New | 1,231,259 | 12,755 | 2.48% | — | 2 | +1,231,259 | New | Q3 2025 | Nov 13, 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 1,024,312 | 10,611 | 0.0% | 0.0% | 3 | +963,619 | 1587.69% | Q3 2025 | Nov 14, 2025 |
| D. E. Shaw & Co., Inc. | History | No change | 988,500 | 10,240 | 0.01% | 0.01% | 4 | 0 | 0.0% | Q3 2025 | Nov 14, 2025 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | History | New | 750,000 | 7,770 | 0.34% | — | 5 | +750,000 | New | Q3 2025 | Nov 10, 2025 |
| Magnetar Financial LLC | History | Reduced | 585,653 | 6,067 | 0.04% | 0.07% | 6 | -824,347 | -58.46% | Q3 2025 | Nov 13, 2025 |
| JANE STREET GROUP, LLC | History | New | 524,571 | 5,434 | 0.0% | — | 7 | +524,571 | New | Q3 2025 | Nov 14, 2025 |
| HRT FINANCIAL LP | History | Added to | 493,220 | 5,109 | 0.02% | 0.02% | 8 | +2,148 | 0.44% | Q3 2025 | Nov 14, 2025 |
| Westchester Capital Management, LLC | History | Reduced | 433,174 | 4,487 | 0.21% | 0.29% | 9 | -82,963 | -16.07% | Q3 2025 | Nov 14, 2025 |
| GLAZER CAPITAL, LLC | History | Added to | 421,738 | 4,369 | 0.15% | 0.14% | 10 | +71,638 | 20.46% | Q3 2025 | Nov 13, 2025 |
| LINDEN ADVISORS LP | History | Reduced | 542,000 | 4,089 | 0.03% | 0.07% | 11 | -456,000 | -45.69% | Q3 2025 | Nov 14, 2025 |
| CITADEL ADVISORS LLC | History | New | 390,260 | 4,043 | 0.0% | — | 12 | +390,260 | New | Q3 2025 | Nov 14, 2025 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | History | New | 385,148 | 3,990 | 0.23% | — | 13 | +385,148 | New | Q3 2025 | Nov 14, 2025 |
| BERKLEY W R CORP | History | Reduced | 343,707 | 3,560 | 0.21% | 0.22% | 14 | -39,686 | -10.35% | Q3 2025 | Nov 14, 2025 |
| BARCLAYS PLC | History | New | 300,000 | 3,108 | 0.0% | — | 15 | +300,000 | New | Q3 2025 | Mar 31, 2026 |
| LMR Partners LLP | History | Reduced | 298,157 | 3,088 | 0.01% | 0.03% | 16 | -59,935 | -16.74% | Q3 2025 | Nov 14, 2025 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Added to | 250,690 | 2,597 | 0.0% | 0.0% | 17 | +2,300 | 0.93% | Q3 2025 | Nov 14, 2025 |
| Sender Co & Partners, Inc. | History | New | 246,098 | 2,549 | 0.28% | — | 18 | +246,098 | New | Q3 2025 | Nov 17, 2025 |
| Clear Street Group Inc. | History | New | 175,000 | 1,813 | 0.01% | — | 19 | +175,000 | New | Q3 2025 | Nov 14, 2025 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 163,401 | 1,692 | 0.0% | 0.0% | 20 | -68,459 | -29.53% | Q3 2025 | Nov 12, 2025 |
| GABELLI & Co INVESTMENT ADVISERS, INC. | History | Reduced | 153,750 | 1,592 | 0.26% | 0.96% | 21 | -427,250 | -73.54% | Q3 2025 | Nov 12, 2025 |
| MYDA Advisors LLC | History | Reduced | 140,000 | 1,450 | 0.31% | 1.03% | 22 | -406,508 | -74.38% | Q3 2025 | Nov 13, 2025 |
| MIZUHO SECURITIES USA LLC | History | New | 136,169 | 1,418 | 0.03% | — | 23 | +136,169 | New | Q3 2025 | Oct 22, 2025 |
| JPMORGAN CHASE & CO | History | Reduced | 124,783 | 1,292 | 0.0% | 0.0% | 24 | -185,366 | -59.77% | Q3 2025 | Nov 26, 2025 |
| Hudson Bay Capital Management LP | History | Reduced | 109,068 | 1,129 | 0.0% | 0.0% | 25 | -21,707 | -16.6% | Q3 2025 | Dec 15, 2025 |
| Rangeley Capital, LLC | History | Added to | 100,000 | 1,036 | 0.9% | 0.14% | 26 | +89,000 | 809.09% | Q3 2025 | Nov 14, 2025 |
| Shaolin Capital Management LLC | History | Reduced | 98,910 | 1,024 | 0.04% | 0.06% | 27 | -65,690 | -39.91% | Q3 2025 | Nov 14, 2025 |
| Diametric Capital, LP | History | New | 95,387 | 988 | 0.37% | — | 28 | +95,387 | New | Q3 2025 | Nov 13, 2025 |
| Radcliffe Capital Management, L.P. | History | Reduced | 78,283 | 811 | 0.05% | 0.1% | 29 | -38,217 | -32.8% | Q3 2025 | Nov 14, 2025 |
| Alpine Global Management, LLC | History | Reduced | 75,000 | 777 | 0.16% | 0.24% | 30 | -25,000 | -25.0% | Q3 2025 | Nov 21, 2025 |
| Mirae Asset Global Investments Co., Ltd. | History | No change | 65,000 | 673 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q3 2025 | Nov 03, 2025 |
| HEIGHTS CAPITAL MANAGEMENT, INC | History | No change | 60,900 | 630 | 0.18% | 0.18% | 32 | 0 | 0.0% | Q3 2025 | Nov 18, 2025 |
| FNY Investment Advisers, LLC | History | Reduced | 60,702 | 628 | 0.2% | 0.42% | 33 | -30,198 | -33.22% | Q3 2025 | Dec 15, 2025 |
| Marex Group plc | History | Added to | 57,096 | 592 | 0.0% | 0.0% | 34 | +37,225 | 187.33% | Q3 2025 | Nov 14, 2025 |
| GROUP ONE TRADING LLC | History | New | 54,562 | 565 | 0.0% | — | 35 | +54,562 | New | Q3 2025 | Nov 12, 2025 |
| Huntleigh Advisors, Inc. | History | Added to | 54,160 | 561 | 0.1% | 0.06% | 36 | +27,155 | 100.56% | Q3 2025 | Oct 30, 2025 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | New | 50,846 | 526 | 0.01% | — | 37 | +50,846 | New | Q3 2025 | Nov 14, 2025 |
| Ionic Capital Management LLC | History | New | 50,000 | 518 | 0.05% | — | 39 | +50,000 | New | Q3 2025 | Nov 14, 2025 |
| Symmetry Investments LP | History | New | 50,000 | 518 | 0.02% | — | 40 | +50,000 | New | Q3 2025 | Nov 14, 2025 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | History | No change | 50,000 | 518 | 0.01% | 0.01% | 38 | 0 | 0.0% | Q3 2025 | Nov 14, 2025 |
| SIMPLEX TRADING, LLC | History | New | 43,913 | 454 | 0.0% | — | 41 | +43,913 | New | Q3 2025 | Nov 12, 2025 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | New | 32,121 | 332 | 0.03% | — | 42 | +32,121 | New | Q3 2025 | Nov 14, 2025 |
| Yaupon Capital Management LP | History | Added to | 30,511 | 316 | 0.01% | 0.01% | 43 | +1,123 | 3.82% | Q3 2025 | Nov 14, 2025 |
| Focused Wealth Management, Inc | History | New | 25,000 | 259 | 0.03% | — | 44 | +25,000 | New | Q3 2025 | Oct 10, 2025 |
| FIFTH LANE CAPITAL, LP | History | Reduced | 25,000 | 259 | 0.26% | 0.46% | 45 | -10,000 | -28.57% | Q3 2025 | Nov 12, 2025 |
| Qube Research & Technologies Ltd | History | Reduced | 10,694 | 110 | 0.0% | 0.0% | 46 | -2,138 | -16.66% | Q3 2025 | Nov 14, 2025 |
| &PARTNERS | History | New | 10,000 | 103 | 0.0% | — | 47 | +10,000 | New | Q3 2025 | Nov 14, 2025 |
| MILLENNIUM MANAGEMENT LLC | History | New | 10,000 | 103 | 0.0% | — | 48 | +10,000 | New | Q3 2025 | Nov 14, 2025 |
| IFP Advisors, Inc | History | Added to | 8,300 | 85 | 0.0% | 0.0% | 49 | +3,500 | 72.92% | Q3 2025 | Feb 06, 2026 |
| Context Capital Management, LLC | History | Reduced | 4,144 | 42 | 0.0% | 0.03% | 50 | -83,726 | -95.28% | Q3 2025 | Nov 12, 2025 |
| OSAIC HOLDINGS, INC. | History | Added to | 3,250 | 33 | 0.0% | 0.0% | 51 | +2,750 | 550.0% | Q3 2025 | Nov 14, 2025 |
| UBS Group AG | History | New | 2,523 | 26 | 0.0% | — | 52 | +2,523 | New | Q3 2025 | Nov 13, 2025 |
| Caitong International Asset Management Co., Ltd | History | New | 2,101 | 21 | 0.01% | — | 53 | +2,101 | New | Q3 2025 | Nov 19, 2025 |
| Federation des caisses Desjardins du Quebec | History | New | 2,000 | 20 | 0.0% | — | 54 | +2,000 | New | Q3 2025 | Nov 14, 2025 |
| MORGAN STANLEY | History | Added to | 189 | 1 | 0.0% | — | 55 | +115 | 155.41% | Q3 2025 | Nov 14, 2025 |
| Governors Lane LP | History | Closed out | 0 | 0 | — | 0.96% | — | -983,871 | -100.0% | Q2 2025 | Aug 14, 2025 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -491,262 | -100.0% | Q2 2025 | Aug 14, 2025 |
| GABELLI FUNDS LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -417,000 | -100.0% | Q2 2025 | Aug 13, 2025 |
| METEORA CAPITAL, LLC | History | Closed out | 0 | 0 | — | 0.72% | — | -358,910 | -100.0% | Q2 2025 | Aug 14, 2025 |
| Polar Asset Management Partners Inc. | History | Closed out | 0 | 0 | — | 0.05% | — | -280,569 | -100.0% | Q2 2025 | Aug 14, 2025 |
| AQR Arbitrage LLC | History | Closed out | 0 | 0 | — | 0.06% | — | -256,832 | -100.0% | Q2 2025 | Aug 14, 2025 |
| PICTON MAHONEY ASSET MANAGEMENT | History | Closed out | 0 | 0 | — | 0.03% | — | -250,000 | -100.0% | Q2 2025 | Aug 12, 2025 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -205,833 | -100.0% | Q2 2025 | Aug 14, 2025 |
| Militia Capital Partners, LP | History | Closed out | 0 | 0 | — | 1.01% | — | -200,000 | -100.0% | Q2 2025 | Aug 14, 2025 |
| ExodusPoint Capital Management, LP | History | Closed out | 0 | 0 | — | 0.02% | — | -188,162 | -100.0% | Q2 2025 | Aug 13, 2025 |
| Verition Fund Management LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -179,874 | -100.0% | Q2 2025 | Aug 14, 2025 |
| WEXFORD CAPITAL LP | History | Closed out | 0 | 0 | — | 0.42% | — | -140,000 | -100.0% | Q2 2025 | Aug 14, 2025 |
| Massar Capital Management, LP | History | Closed out | 0 | 0 | — | 0.89% | — | -110,000 | -100.0% | Q2 2025 | Nov 14, 2025 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | History | Closed out | 0 | 0 | — | 0.01% | — | -99,995 | -100.0% | Q2 2025 | Aug 08, 2025 |
| BCK CAPITAL MANAGEMENT LP | History | Closed out | 0 | 0 | — | 0.91% | — | -97,535 | -100.0% | Q2 2025 | Aug 07, 2025 |
| PERISCOPE CAPITAL INC. | History | Closed out | 0 | 0 | — | 0.19% | — | -80,000 | -100.0% | Q2 2025 | Aug 14, 2025 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -69,050 | -100.0% | Q2 2025 | Aug 04, 2025 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | History | Closed out | 0 | 0 | — | 0.12% | — | -60,212 | -100.0% | Q2 2025 | Aug 13, 2025 |
| DLD Asset Management, LP | History | Closed out | 0 | 0 | — | 0.04% | — | -59,486 | -100.0% | Q2 2025 | Aug 13, 2025 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -40,936 | -100.0% | Q2 2025 | Aug 12, 2025 |
| Tuttle Capital Management, LLC | History | Closed out | 0 | 0 | — | 1.56% | — | -35,000 | -100.0% | Q2 2025 | Jul 28, 2025 |
| Cambridge Investment Research Advisors, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -33,120 | -100.0% | Q2 2025 | Jul 31, 2025 |
| GRITSTONE ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.3% | — | -28,031 | -100.0% | Q2 2025 | Jul 25, 2025 |
| Quarry LP | History | Closed out | 0 | 0 | — | 0.06% | — | -25,000 | -100.0% | Q2 2025 | Aug 14, 2025 |
| ROBINSON CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.07% | — | -15,250 | -100.0% | Q2 2025 | Aug 14, 2025 |
| Absolute Gestao de Investimentos Ltda. | History | Closed out | 0 | 0 | — | 0.04% | — | -12,500 | -100.0% | Q2 2025 | Aug 11, 2025 |
| Powell Investment Advisors, LLC | History | Closed out | 0 | 0 | — | 0.04% | — | -10,220 | -100.0% | Q2 2025 | Jul 22, 2025 |
| Keystone Financial Group, Inc. | History | Closed out | 0 | 0 | — | 0.03% | — | -4,570 | -100.0% | Q2 2025 | Jul 21, 2025 |
| ROYAL BANK OF CANADA | History | Closed out | 0 | 0 | — | 0.0% | — | -1,000 | -100.0% | Q2 2025 | Nov 21, 2025 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -158 | -100.0% | Q2 2025 | Aug 11, 2025 |
| Arax Advisory Partners | History | New | 62 | 0 | — | — | — | +62 | New | Q3 2025 | Nov 14, 2025 |