White Brook Capital Shared Insights on Rapid Micro Biosystems (RPID)
White Brook Capital Partners, an investment management firm, released its first-quarter 2026 investor letter. A copy of the letter can be downloaded here.
| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Renaissance Technologies Jim Simons | 126,617 | $287,421 | +10% | 0% |
| 2. | Hudson Bay Capital Management Sander Gerber | 12,524 | $28,429 | 0% | |
| 3. | Algert Coldiron Investors Peter Algert And Kevin Coldiron | 23,181 | $53 | 0% | |
| 4. | Lighthouse Investment Partners Sean Mcgould | 0 | $0 | 0% |
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $1.04 | 9,120 | $9,483.89 | 54,300 | 2024-12-05 | Filing | |
| $1.00 | 10,880 | $10,880.00 | 45,180 | 2024-12-03 | Filing | |
| $1.05 | 19,892 | $20,886.60 | 34,300 | 2024-11-27 | Filing | |
| $1.04 | 108 | $112.32 | 14,408 | 2024-11-26 | Filing | |
| $0.91 | 50,000 | $45,335.00 | 64,300 | 2024-08-08 | Filing |
| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|
| $4.32 | 9,603 | $41,466.71 | 316,762 | 2026-03-11 | Filing | |
| $4.32 | 7,480 | $32,299.39 | 556,194 | 2026-03-11 | Filing | |
| $4.11 | 17,922 | $73,686.30 | 1,169,848 | 2026-03-10 | Filing | |
| $3.92 | 5,403 | $21,195.97 | 326,365 | 2026-02-20 | Filing | |
| $3.92 | 17,254 | $67,687.44 | 563,674 | 2026-02-20 | Filing |
| No. | Name | Shares | Value | % Port |
|---|---|---|---|---|
| 1. | 982,494 | $2,230,261 | 0% | |
| 2. | 883,931 | $2,006,523 | 0.32% | |
| 3. | 432,510 | $1,020,724 | 0.21% | |
| 4. | 284,816 | $646,532 | 0% | |
| 5. | 157,232 | $356,916 | 0% |