# ARCHIMEDES TECH SPAC PTNRS I (ARCIW)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ARCIW/

- Reporting holders: 41
- Reported value: $3.6M
- Shares held by institutions: 4,883,994 of 35,262,000 outstanding
- Held through calls: 5.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Verition Fund Management LLC](https://holderbook.com/funds/1454027-verition-fund-management-llc/) | $280.8K | 374,400 | 0.0% | 2 |
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $250.2K | 25,000 | 0.0% | 1 |
| [Centiva Capital, LP](https://holderbook.com/funds/1692507-centiva-capital-lp/) | $243.3K | 324,439 | 0.0% | 1 |
| [Magnetar Financial LLC](https://holderbook.com/funds/1352851-magnetar-financial-llc/) | $225.0K | 300,000 | 0.0% | 2 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $187.6K | 299,999 | 0.0% | 2 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://holderbook.com/funds/1346554-tenor-capital-management-co-l-p/) | $187.5K | 250,000 | 0.0% | 2 |
| [Alberta Investment Management Corp](https://holderbook.com/funds/1463559-alberta-investment-management-corp/) | $187.5K | 250,000 | 0.0% | 1 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $178.1K | 0 | 0.0% | 2 |
| [Governors Lane LP](https://holderbook.com/funds/1644187-governors-lane-lp/) | $156.4K | 250,000 | 0.0% | 2 |
| [K2 PRINCIPAL FUND, L.P.](https://holderbook.com/funds/1461790-k2-principal-fund-l-p/) | $154.4K | 308,837 | 0.0% | 2 |
| [ADAGE CAPITAL PARTNERS GP, L.L.C.](https://holderbook.com/funds/1165408-adage-capital-partners-gp-l-l-c/) | $150.0K | 200,000 | 0.0% | 2 |
| [SONA ASSET MANAGEMENT (US) LLC](https://holderbook.com/funds/1856405-sona-asset-management-us-llc/) | $150.0K | 200,000 | 0.0% | 2 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $142.1K | 189,403 | 0.0% | 1 |
| [HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND](https://holderbook.com/funds/1535845-healthcare-of-ontario-pension-plan-trust-fund/) | $103.1K | 137,500 | 0.0% | 2 |
| [Polar Asset Management Partners Inc.](https://holderbook.com/funds/1326389-polar-asset-management-partners-inc/) | $97.0K | 129,300 | 0.0% | 2 |
| [HBK INVESTMENTS L P](https://holderbook.com/funds/1011443-hbk-investments-l-p/) | $93.8K | 125,002 | 0.0% | 2 |
| [MOORE CAPITAL MANAGEMENT, LP](https://holderbook.com/funds/1448574-moore-capital-management-lp/) | $93.8K | 125,000 | 0.0% | 2 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $86.0K | 114,720 | 0.0% | 2 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1447578-rivernorth-capital-management-llc/) | $81.2K | 125,000 | 0.0% | 1 |
| [D. E. Shaw & Co., Inc.](https://holderbook.com/funds/1009207-d-e-shaw-co-inc/) | $79.7K | 106,250 | 0.0% | 2 |
| [BNP PARIBAS FINANCIAL MARKETS](https://holderbook.com/funds/1166588-bnp-paribas-financial-markets/) | $77.0K | 123,093 | 0.0% | 1 |
| [Periscope Capital Inc.](https://holderbook.com/funds/1695320-periscope-capital-inc/) | $63.2K | 101,100 | 0.0% | 2 |
| [COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS](https://holderbook.com/funds/1083190-commonwealth-of-pennsylvania-public-school-empls-retrmt-sys/) | $62.5K | 100,000 | 0.0% | 1 |
| [MMCAP International Inc. SPC](https://holderbook.com/funds/1304857-mmcap-international-inc-spc/) | $56.2K | 75,000 | 0.0% | 1 |
| [Radcliffe Capital Management, L.P.](https://holderbook.com/funds/1218275-radcliffe-capital-management-l-p/) | $50.9K | 81,385 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 41 | $3.6M |
| Q1 2026 | 28 | $2.0M |