19 institutions reported holding $22.6M of ART TECHNOLOGY ACQUISITION C (ARTCU) in SEC 13F filings for 2026-06-30. Largest institutional holders: TORONTO DOMINION BANK ($9.7M), LMR Partners LLP ($5.0M), OMERS ADMINISTRATION Corp ($4.4M), Clear Street Group Inc. ($1.1M), Lineage Point Capital LP ($1.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | TORONTO DOMINION BANK | $9.7M | 962,671 | Trimmed |
| 2 | LMR Partners LLP | $5.0M | 500,000 | Hold |
| 3 | OMERS ADMINISTRATION Corp | $4.4M | 440,000 | Hold |
| 4 | Clear Street Group Inc. | $1.1M | 324,692 | Trimmed |
| 5 | Lineage Point Capital LP | $1.0M | 100,000 | Hold |
| 6 | GLAZER CAPITAL, LLC | $567,000 | 56,515 | Hold |
| 7 | PRELUDE CAPITAL MANAGEMENT, LLC | $501,500 | 50,000 | New |
| 8 | Tuttle Capital Management, LLC | $268,692 | 26,923 | Added |
| 9 | LONGFELLOW INVESTMENT MANAGEMENT CO LLC | $83,530 | 8,328 | Hold |
| 10 | OSAIC HOLDINGS, INC. | $7,000 | 700 | Trimmed |
| 11 | MILLENNIUM MANAGEMENT LLC | $0 | 0 | Exited |
| 12 | WOLVERINE ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 13 | MMCAP International Inc. SPC | $0 | 0 | Exited |
| 14 | Bulldog Investors, LLP | $0 | 0 | Exited |
| 15 | PICTON MAHONEY ASSET MANAGEMENT | $0 | 0 | Exited |
| 16 | Quarry LP | $0 | 0 | Exited |
| 17 | RLH Capital LLC | $0 | 0 | Exited |
| 18 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $0 | 0 | Exited |
| 19 | Schonfeld Strategic Advisors LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30