HilleVax
HLVX
HLVX was delisted on the 16th of September, 2025.
74 hedge funds and large institutions have $82.5M invested in HilleVax in 2025 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 18 increasing their positions, 30 reducing their positions, and 22 closing their positions.
34% more capital invested
Capital invested by funds: $61.5M → $82.5M (+$21M)
25% more funds holding in top 10
Funds holding in top 10: 4 → 5 (+1)
1.35% less ownership
Funds ownership: 84.08% → 82.73% (-1.4%)
9% less funds holding
Funds holding: 81 → 74 (-7)
32% less first-time investments, than exits
New positions opened: 15 | Existing positions closed: 22
40% less repeat investments, than reductions
Existing positions increased: 18 | Existing positions reduced: 30
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
EC
EcoR1 Capital
San Francisco,
California
|
+$4.43M |
| 2 |
RC
RBF Capital
San Francisco,
California
|
+$366K |
| 3 |
RC
Rangeley Capital
New Canaan,
Connecticut
|
+$281K |
| 4 |
Acadian Asset Management
Boston,
Massachusetts
|
+$261K |
| 5 |
Two Sigma Advisers
New York
|
+$200K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$3.12M |
| 2 |
State Street
Boston,
Massachusetts
|
-$896K |
| 3 |
Morgan Stanley
New York
|
-$879K |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
-$647K |
| 5 |
Goldman Sachs
New York
|
-$357K |
HLVX Hedge Fund Activity: Q2 2025 in Review
74 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in HilleVax (HLVX) for Q2 2025, worth a combined $82.5M — up 34% from $61.5M a quarter earlier.
Sellers outnumbered buyers: 22 funds closed out of HLVX and 15 opened new positions — a net loss of 7 holders — while 30 trimmed existing stakes and 18 added.
The largest buyer was EcoR1 Capital, opening a new position worth an estimated $4.43M. The largest seller was BlackRock, cutting an estimated $3.12M.
- 74 institutional investors held HilleVax (HLVX) as of Q2 2025, down from 81 in Q1 2025.
- Funds reported $82.5M of HilleVax stock for Q2 2025, up 34% quarter-over-quarter.
- 15 funds opened new HilleVax positions in Q2 2025 and 22 closed out, a net change of -7 holders.
- The largest HilleVax buyer in Q2 2025 was EcoR1 Capital, an estimated $4.43M added.
- The largest HilleVax seller in Q2 2025 was BlackRock, an estimated $3.12M sold.
Based on aggregated 13F filings for Q2 2025.