Position in KROS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$671,960
-$21,352 QoQ
Shares Held
62,800
0.0% QoQ
Ownership
0.317%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#46
of 132 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in KROS 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. KROS ranks #1 (12.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KROS |
Keros Therapeutics, Inc.
This page
|
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 KROS
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $671,960 | 62,800 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $693,312 | 62,800 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $1,663,900 | 81,724 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,373,000 | 150,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $2,002,500 | 150,000 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,732,442 | 170,014 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||