Biodesix
BDSX
26 hedge funds and large institutions have $11.1M invested in Biodesix in 2025 Q4 according to their latest regulatory filings, with 7 funds opening new positions, 7 increasing their positions, 5 reducing their positions, and 7 closing their positions.
40% more repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 5
19.5% more ownership
Funds ownership: 0.98% → 20.48% (+19%)
2% more capital invested
Capital invested by funds: $10.8M → $11.1M (+$238K)
0% more funds holding
Funds holding: 26 → 26 (0)
0% more first-time investments, than exits
New positions opened: 7 | Existing positions closed: 7
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Aberdeen Group
Edinburgh,
United Kingdom
|
+$1.93M |
| 2 |
TI
Trexquant Investment
Stamford,
Connecticut
|
+$203K |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$191K |
| 4 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$119K |
| 5 |
DS
DRW Securities
Chicago,
Illinois
|
+$113K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TAM
Telemark Asset Management
Boston,
Massachusetts
|
-$636K |
| 2 |
SCM
Silverarc Capital Management
Boston,
Massachusetts
|
-$375K |
| 3 |
OIM
Oracle Investment Management
Greenwich,
Connecticut
|
-$113K |
| 4 |
Millennium Management
New York
|
-$113K |
| 5 |
CS
Cannell & Spears
New York
|
-$77.6K |
BDSX Hedge Fund Activity: Q4 2025 in Review
26 of the 8,270 institutional investors tracked by Wall St. Rank reported a position in Biodesix (BDSX) for Q4 2025, worth a combined $11.1M — up 2.2% from $10.8M a quarter earlier.
Fund positioning in BDSX was balanced in Q4 2025: 7 funds opened new positions, 7 closed out, 7 added to existing stakes and 5 trimmed.
The largest buyer was Aberdeen Group, opening a new position worth an estimated $1.93M. The largest seller was Telemark Asset Management, cutting an estimated $636K.
- 26 institutional investors held Biodesix (BDSX) as of Q4 2025, unchanged from Q3 2025.
- Funds reported $11.1M of Biodesix stock for Q4 2025, up 2.2% quarter-over-quarter.
- 7 funds opened new Biodesix positions in Q4 2025 and 7 closed out, a net change of 0 holders.
- The largest Biodesix buyer in Q4 2025 was Aberdeen Group, an estimated $1.93M added.
- The largest Biodesix seller in Q4 2025 was Telemark Asset Management, an estimated $636K sold.
Based on aggregated 13F filings for Q4 2025.