BiodesixBDSX
13F holders, Q4 2025 (December 31)25holders
6new positions
7sold out
1famous investor
$6.80avg. 13F price*
At the end of Q4 2025, 25 institutions reported holding Biodesix Inc. (BDSX) in their 13F filings, unchanged from Q3 2025. 6 opened new positions and 7 sold out. The largest holders were Telemark Asset Management, LLC ($2.2M), Aberdeen Group plc ($1.8M) and Vanguard Group Inc. ($1.3M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Biodesix Inc.
- CUSIP
- 09075X207
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $2.4M |
| Exits | 7 | $756K |
All 13F filers, Q3 2025 → Q4 2025: 398,069 shares bought and 204,821 shares sold, net +193,248 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 25 holders
| Telemark Asset Management, LLC | 0.22% | Reduce -20.8% | 327,824 | $2.2M |
| Aberdeen Group plc | 0.00% | New | 262,425 | $1.8M |
| Vanguard Group Inc. | 0.00% | Add +5.6% | 192,138 | $1.3M |
| Monashee Investment Management LLC | 0.45% | Add +12.3% | 112,344 | $764K |
| Perceptive Advisors LLC | 0.01% | No change | 108,694 | $739K |
| Gsa Capital Partners LLP | 0.04% | Add +33.4% | 64,483 | $438K |
| Perkins Capital Management Inc. | 0.24% | Reduce -14.9% | 44,783 | $305K |
| Geode Capital Management, LLC | 0.00% | Add +5.6% | 42,453 | $289K |
| Balyasny Asset Management L.P. | 0.00% | Reduce -23.3% | 33,017 | $225K |
| Trexquant Investment LP | 0.00% | New | 27,542 | $187K |
| Citadel Advisors | 0.00% | New | 25,985 | $177K |
| BlackRock, Inc. | 0.00% | No change | 24,466 | $166K |
| State Street Corp. | 0.00% | Add +15.6% | 17,802 | $121K |
| Shay Capital LLC | 0.02% | Add +15.3% | 16,145 | $110K |
| DRW Securities, LLC | 0.01% | New | 15,372 | $105K |
| Northern Trust Corp. | 0.00% | New | 11,134 | $76K |
| Cetera Investment Advisers | 0.00% | New | 10,000 | $68K |
| Allworth Financial LP | 0.00% | No change | 4,965 | $34K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -70.0% | 193 | $1K |
| Quattro Advisors LLC | 0.00% | — | 187 | $1K |
| Fortitude Family Office, LLC | 0.00% | No change | 171 | $1K |
| Bank of America Corp. | 0.00% | Add +376.7% | 143 | $972 |
| Group One Trading LLC | 0.00% | No change | 100 | $680 |
| Morgan Stanley | 0.00% | Reduce -19.7% | 61 | $415 |
| FMR LLC | 0.00% | No change | 1 | $7 |
"% of holder's portfolio" is BDSX's weight in each manager's 13F, not the share of Biodesix Inc. the manager owns.