Biodesix
BDSX
26 hedge funds and large institutions have $10.8M invested in Biodesix in 2025 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 5 increasing their positions, 14 reducing their positions, and 19 closing their positions.
8% more capital invested
Capital invested by funds: $10M → $10.8M (+$791K)
6.35% less ownership
Funds ownership: 24.3% → 17.95% (-6.4%)
35% less funds holding
Funds holding: 40 → 26 (-14)
64% less repeat investments, than reductions
Existing positions increased: 5 | Existing positions reduced: 14
74% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 19
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OIM
Oracle Investment Management
Greenwich,
Connecticut
|
+$115K |
| 2 |
Millennium Management
New York
|
+$115K |
| 3 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$68.5K |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$20.6K |
| 5 |
SC
Shay Capital
New York
|
+$18.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WSFS
Wilmington Savings Fund Society
Wilmington,
Delaware
|
-$1.72M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$59.7K |
| 3 |
XT
XTX Topco
George Town,
Cayman Islands
|
-$58K |
| 4 |
SI
Stephens Inc
Little Rock,
Arkansas
|
-$55.9K |
| 5 |
Northern Trust
Chicago,
Illinois
|
-$47.7K |
BDSX Hedge Fund Activity: Q3 2025 in Review
26 of the 7,645 institutional investors tracked by Wall St. Rank reported a position in Biodesix (BDSX) for Q3 2025, worth a combined $10.8M — up 7.9% from $10M a quarter earlier.
Sellers outnumbered buyers: 19 funds closed out of BDSX and 5 opened new positions — a net loss of 14 holders — while 14 trimmed existing stakes and 5 added.
The largest buyer was Oracle Investment Management, opening a new position worth an estimated $115K. The largest seller was Wilmington Savings Fund Society, exiting entirely with an estimated $1.72M sold.
- 26 institutional investors held Biodesix (BDSX) as of Q3 2025, down from 40 in Q2 2025.
- Funds reported $10.8M of Biodesix stock for Q3 2025, up 7.9% quarter-over-quarter.
- 5 funds opened new Biodesix positions in Q3 2025 and 19 closed out, a net change of -14 holders.
- The largest Biodesix buyer in Q3 2025 was Oracle Investment Management, an estimated $115K added.
- The largest Biodesix seller in Q3 2025 was Wilmington Savings Fund Society, an estimated $1.72M sold.
Based on aggregated 13F filings for Q3 2025.