Archimedes Tech SPAC Partners III
ARCI · NASDAQ
$10.04−$0.005 (−0.05%)TodayMarket closed ·
No price history for this range.
Who owns ARCI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 45.7% of ARCI’s shares.
- Archimedes Tech SPAC Sponsors III, LLC18.1%
- Adage Capital Management, L.P.5.1%
- Magnetar Capital Partners LP3.4%
- Linden Advisors L.P.3.4%
- Next 6 largest institutions15.7%
- All other shareholders54.3%
| Holder | Shares | % of shares |
|---|---|---|
| Archimedes Tech SPAC Sponsors III, LLC | 6.39M | 18.12% |
| Adage Capital Management, L.P. | 1.80M | 5.10% |
| Magnetar Capital Partners LP | 1.20M | 3.40% |
| Linden Advisors L.P. | 1.20M | 3.40% |
| Governors Lane LP | 1.15M | 3.25% |
| Tenor Capital Management Co., L.P. | 1.00M | 2.84% |
| Alberta Investment Management Corporation | 1.00M | 2.84% |
| Verition Fund Management LLC | 815.36K | 2.31% |
| Sona Asset Management (UK) LLP | 800.00K | 2.27% |
| AQR Capital Management, LLC | 757.61K | 2.15% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| First Trust Merger Arbitrage Fund | 171.73K | 0.49% |
| RiverNorth Opportunities Fund, Inc. | 100.00K | 0.28% |
| First Trust Multi-Strategy Fund | 27.22K | 0.08% |
| Fidelity NASDAQ Composite Index Fund | 2.20K | 0.01% |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.08K
- Days to cover
- 1.00
- % of shares outstanding
- 0.00%
- Average daily volume
- 27.83K
- Change since last report
- +0.6%
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