Position in FULC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$256,200
-$280,700 QoQ
Shares Held
70,000
0.0% QoQ
Ownership
0.092%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#72
of 155 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in FULC Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026RBF Capital, LLC holds $5,245,524 across 20 Biotechnology names. FULC ranks #10 (4.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KROS |
Keros Therapeutics, Inc.
|
62,800 | $671,960 | |
| 2 | STRO |
Sutro Biopharma, Inc.
|
15,272 | $507,030 | |
| 3 | BOLD |
Boundless Bio, Inc.
|
200,000 | $500,000 | |
| 4 | XBIT |
XBiotech Inc.
|
198,501 | $456,552 | |
| 5 | ZURA |
Zura Bio Ltd
|
58,193 | $343,338 | |
| 6 | ACET |
Adicet Bio, Inc.
|
38,582 | $333,348 | |
| 7 | CTNM |
Contineum Therapeutics, Inc.
|
20,000 | $327,800 | |
| 8 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
3,000 | $292,440 |
All Filings in FULC
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $256,200 | 70,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $536,900 | 70,000 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $910,522 | 80,506 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $740,655 | 80,506 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $553,881 | 80,506 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $231,857 | 80,506 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $378,378 | 80,506 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $378,876 | 106,128 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $775,000 | 125,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,321,600 | 140,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $945,000 | 140,000 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $684,204 | 154,100 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $508,530 | 154,100 | Shares | Sole | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||