58 institutions reported holding $438.5M of BOX INC (BXNCP) in SEC 13F filings for 2026-06-30. Largest institutional holders: Opti Capital Management, LP ($48.5M), Wellesley Asset Management ($47.0M), Walleye Capital LLC ($43.0M), M&G PLC ($36.7M), Invesco Ltd. ($28.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Opti Capital Management, LP | $48.5M | 0 | Hold |
| 2 | Wellesley Asset Management | $47.0M | 0 | Trimmed |
| 3 | Walleye Capital LLC | $43.0M | 0 | Added |
| 4 | M&G PLC | $36.7M | 0 | Hold |
| 5 | Invesco Ltd. | $28.0M | 0 | Hold |
| 6 | Squarepoint Ops LLC | $19.6M | 0 | New |
| 7 | LMR Partners LLP | $19.5M | 0 | New |
| 8 | BlackRock, Inc. | $18.1M | 0 | Added |
| 9 | TENOR CAPITAL MANAGEMENT Co., L.P. | $17.7M | 0 | Added |
| 10 | CAMDEN ASSET MANAGEMENT L P /CA | $17.1M | 0 | Trimmed |
| 11 | STATE STREET CORP | $13.2M | 0 | Added |
| 12 | Calamos Advisors LLC | $11.7M | 0 | Hold |
| 13 | MORGAN STANLEY | $10.3M | 0 | Trimmed |
| 14 | ABSOLUTE INVESTMENT ADVISERS, LLC | $10.2M | 10.5M | Hold |
| 15 | K2 PRINCIPAL FUND, L.P. | $9.8M | 0 | Hold |
| 16 | BANK OF MONTREAL /CAN/ | $9.6M | 0 | Hold |
| 17 | FMR LLC | $9.6M | 0 | Trimmed |
| 18 | Man Group plc | $9.2M | 0 | Added |
| 19 | MILLENNIUM MANAGEMENT LLC | $8.3M | 0 | New |
| 20 | TORONTO DOMINION BANK | $7.3M | 0 | Trimmed |
| 21 | JPMORGAN CHASE & CO | $6.8M | 0 | Trimmed |
| 22 | SSI INVESTMENT MANAGEMENT LLC | $5.7M | 0 | Added |
| 23 | UBS Group AG | $4.9M | 0 | New |
| 24 | BNP PARIBAS FINANCIAL MARKETS | $4.4M | 0 | Hold |
| 25 | IMC-Chicago, LLC | $4.4M | 164,000 | Added |
Source: SEC Form 13F filings · as of 2026-06-30