Exagen
XGN
80 hedge funds and large institutions have $65.8M invested in Exagen in 2025 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 33 increasing their positions, 16 reducing their positions, and 8 closing their positions.
225% more first-time investments, than exits
New positions opened: 26 | Existing positions closed: 8
106% more repeat investments, than reductions
Existing positions increased: 33 | Existing positions reduced: 16
29% more funds holding
Funds holding: 62 → 80 (+18)
6.59% more ownership
Funds ownership: 41.14% → 47.72% (+6.6%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
34% less capital invested
Capital invested by funds: $99.5M → $65.8M (-$33.7M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MBAM
Mink Brook Asset Management
West Palm Beach,
Florida
|
+$2.86M |
| 2 |
Acadian Asset Management
Boston,
Massachusetts
|
+$2.74M |
| 3 |
Marshall Wace
London,
United Kingdom
|
+$1.99M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
+$1.87M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$1.78M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RI
RTW Investments
New York
|
-$8.25M |
| 2 |
Invesco
Atlanta,
Georgia
|
-$7.42M |
| 3 |
EI
EAM Investors
Solana Beach,
California
|
-$1.29M |
| 4 |
EFI
EHP Funds Inc
Toronto,
Canada
|
-$998K |
| 5 |
KCM
Kennedy Capital Management
St Louis,
Missouri
|
-$654K |
XGN Hedge Fund Activity: Q4 2025 in Review
80 of the 8,224 institutional investors tracked by Wall St. Rank reported a position in Exagen (XGN) for Q4 2025, worth a combined $65.8M — down 34% from $99.5M a quarter earlier.
Buyers outnumbered sellers: 26 funds opened new XGN positions and 8 closed out — a net gain of 18 holders — while 33 added to existing stakes and 16 trimmed.
The largest buyer was Mink Brook Asset Management, adding an estimated $2.86M. The largest seller was RTW Investments, cutting an estimated $8.25M.
- 80 institutional investors held Exagen (XGN) as of Q4 2025, up from 62 in Q3 2025.
- Funds reported $65.8M of Exagen stock for Q4 2025, down 34% quarter-over-quarter.
- 26 funds opened new Exagen positions in Q4 2025 and 8 closed out, a net change of +18 holders.
- The largest Exagen buyer in Q4 2025 was Mink Brook Asset Management, an estimated $2.86M added.
- The largest Exagen seller in Q4 2025 was RTW Investments, an estimated $8.25M sold.
Based on aggregated 13F filings for Q4 2025.