ARCHIMEDES TECH SPAC PARTNER ATII
$10.90
+0.4% 52w: $10.19 – $11.38
Latest 13F among current holders filed 1 month ago (May 15, 2026)
Price — last 12 months
research preview data10.1910.7911.38
Jun 20, 2025 Jul 2, 2026
Institutional holders
54
+5 QoQ
13F value
$231.3M
+0.4% QoQ
Smart-money holders
7
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
calls only
$29K calls / — puts
Institutional value by quarter
Number of holders
Who owns ATII?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT Co., L.P. | Other | 1.5M | $15.6M | 1.0% | Held |
| Magnetar Financial LLC | Quant stat arb | 1.3M | $13.6M | 0.1% | Held |
| D. E. Shaw & Co., Inc. | Quant stat arb | 1.1M | $11.9M | 0.0% | Held |
| Linden Advisors LP | Other | 1.0M | $10.4M | 0.6% | Held |
| AQR Arbitrage LLC | Other | 920.7K | $9.6M | 0.2% | -4.5% |
| Westchester Capital Management, LLC | Other | 907.1K | $9.4M | 0.5% | Held |
| LMR Partners LLP | Quant stat arb | 850.0K | $8.8M | 0.1% | Held |
| Ghisallo Capital Management LLC | Quant stat arb | 800.0K | $8.3M | 0.2% | Held |
| Governors Lane LP ★2 | Fundamental diversified | 759.6K | $7.9M | 1.0% | +0.1% |
| Alberta Investment Management Corp | Other | 750.0K | $7.8M | 0.1% | Held |
| GLAZER CAPITAL, LLC | Quant stat arb | 750.0K | $7.8M | 0.2% | -13.2% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 725.0K | $7.5M | 0.0% | Held |
| Hudson Bay Capital Management LP | Multistrat pod | 700.0K | $7.3M | 0.0% | Held |
| Radcliffe Capital Management, L.P. | Quant stat arb | 661.3K | $6.9M | 0.8% | +0.5% |
| TORONTO DOMINION BANK | Bank broker | 650.0K | $6.8M | 0.0% | +333.3% |
| Sculptor Capital LP | Other | 600.6K | $6.3M | 0.1% | Held |
| Jain Global LLC | Quant stat arb | 500.0K | $5.2M | 0.1% | Held |
| PICTON MAHONEY ASSET MANAGEMENT | Other | 500.0K | $5.2M | 0.1% | Held |
| MOORE CAPITAL MANAGEMENT, LP | Fundamental diversified | 450.0K | $4.7M | 0.2% | Held |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | Other | 427.5K | $4.5M | 0.2% | -4.5% |
| RLH Capital LLC ★2 | Fundamental diversified | 400.9K | $4.2M | 2.1% | — |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | Diversified mechanical | 400.0K | $4.2M | 0.0% | Held |
| J. Goldman & Co LP | Quant stat arb | 369.8K | $3.8M | 0.2% | New |
| Periscope Capital Inc. | Other | 352.9K | $3.7M | 0.7% | -21.2% |
| GOLDMAN SACHS GROUP INC | Bank broker | 327.4K | $3.4M | 0.0% | +1.1% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 308.0K | $3.2M | 0.0% | Held |
| Mint Tower Capital Management B.V. ★2 | Fundamental diversified | 300.0K | $3.1M | 0.6% | Held |
| METEORA CAPITAL, LLC | Quant stat arb | 295.6K | $3.1M | 0.2% | -58.9% |
| Centiva Capital, LP | Diversified mechanical | 285.5K | $3.0M | 0.1% | Held |
| Quarry LP | Diversified mechanical | 285.0K | $3.0M | 0.6% | New |
| Shaolin Capital Management LLC | Other | 270.8K | $2.8M | 0.2% | Held |
| WHITEBOX ADVISORS LLC | Other | 250.0K | $2.6M | 0.1% | Held |
| ARISTEIA CAPITAL, L.L.C. | Quant stat arb | 250.0K | $2.6M | 0.1% | Held |
| Verition Fund Management LLC | Multistrat pod | 231.5K | $2.4M | 0.0% | Held |
| BERKLEY W R CORP ★2 | Fundamental diversified | 208.1K | $2.2M | 0.1% | -8.8% |
| O'Connor Alternative Investments LLC ★2 | Fundamental diversified | 200.0K | $2.1M | 0.2% | — |
| L1 Global Manager Pty Ltd | Quant stat arb | 200.0K | $2.1M | 1.7% | Held |
| Schonfeld Strategic Advisors LLC | Multistrat pod | 173.5K | $1.8M | 0.0% | Held |
| DLD Asset Management, LP | Quant stat arb | 150.0K | $1.6M | 0.5% | -25.0% |
| READYSTATE ASSET MANAGEMENT LP | Quant stat arb | 148.7K | $1.6M | 0.2% | +0.8% |
| WOLVERINE ASSET MANAGEMENT LLC | Market maker | 134.3K | $1.4M | 0.1% | -62.2% |
| MMCAP International Inc. SPC ★2 | Fundamental diversified | 125.0K | $1.3M | 0.1% | Held |
| GRITSTONE ASSET MANAGEMENT LLC ★2 | Fundamental diversified | 99.1K | $1.0M | 1.1% | Held |
| Lineage Point Capital LP | Other | 95.9K | $1.0M | 0.2% | New |
| K2 PRINCIPAL FUND, L.P. | Quant stat arb | 87.9K | $915K | 0.3% | Held |
| Baird Financial Group, Inc. | Diversified mechanical | 78.5K | $819K | 0.0% | Held |
| Clear Street Group Inc. | Other | 77.5K | $806K | 0.0% | +1746.3% |
| CSS LLC/IL | Other | 57.1K | $595K | 0.1% | Held |
| Virtu Financial LLC | Market maker | 53.7K | $561K | 0.0% | New |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 37.7K | $393K | 0.0% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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