Position in CRBU
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$475,000
+$77,500 QoQ
Shares Held
250,000
0.0% QoQ
Ownership
0.252%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#31
of 137 holders
Holding Since
Mar 2023
13 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CRBU Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Bruce & Co., Inc. holds $7,427,353 across 4 Biotechnology names. CRBU ranks #4 (6.4% of the industry book) .
All Filings in CRBU
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $475,000 | 250,000 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $397,500 | 250,000 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $582,500 | 250,000 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $315,000 | 250,000 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $228,250 | 250,000 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $397,500 | 250,000 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $588,000 | 300,000 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $492,000 | 300,000 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $1,028,000 | 200,000 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $1,146,000 | 200,000 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $956,000 | 200,000 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $850,000 | 200,000 | Shares | Sole | 2023-08-08 | |
| 2023-03-31 | $531,000 | 100,000 | Shares | Sole | 2023-05-12 | |
| No filing history on record for this holder in this stock. | ||||||