Definitive Healthcare
126 hedge funds and large institutions have $388M invested in Definitive Healthcare in 2025 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 22 increasing their positions, 58 reducing their positions, and 18 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding
Funds holding: →
more capital invested
Capital invested by funds: $ → $
more ownership
Funds ownership: →
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
62% less repeat investments, than reductions
Existing positions increased: 22 | Existing positions reduced: 58
Holders
126
Holding in Top 10
1
Calls
$50K
Puts
–
Top Buyers
| 1 | +$1.83M | |
| 2 | +$1.6M | |
| 3 | +$646K | |
| 4 |
Northern Trust
Chicago,
Illinois
|
+$590K |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$516K |
Top Sellers
| 1 | -$5.82M | |
| 2 | -$1.46M | |
| 3 | -$1.3M | |
| 4 |
Millennium Management
New York
|
-$643K |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$625K |
