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HLVX

HilleVax
HLVX

Delisted

HLVX was delisted on the 16th of September, 2025.

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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
74
Holders Change
-7
Holders Change %
-8.64%
% of All Funds
0.97%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.07%
New
15
Increased
18
Reduced
30
Closed
22
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
EC
EcoR1 Capital
California
+$4.43M
2
RC
RBF Capital
California
+$366K
3
RC
Rangeley Capital
Connecticut
+$281K
4
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$261K
5
Two Sigma Advisers
Two Sigma Advisers
New York
+$200K

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$3.12M
2
State Street
State Street
Massachusetts
-$896K
3
Morgan Stanley
Morgan Stanley
New York
-$879K
4
Geode Capital Management
Geode Capital Management
Massachusetts
-$647K
5
Goldman Sachs
Goldman Sachs
New York
-$357K
Name Holding Trade Value Shares
Change 		Change in
Stake
FLSM
1
Frazier Life Sciences Management
California
$21.1M – – –
TPC
2
Takeda Pharmaceutical Company
Japan
$13.4M – – –
TCM
3
Tang Capital Management
California
$9.79M – – –
EC
4
EcoR1 Capital
California
$4.82M +$4.43M +2,420,243 New
LMC
5
Lightspeed Management Company
California
$4.58M – – –
Franklin Resources
6
Franklin Resources
California
$3.89M -$7.27K -3,977 -0.2%
DM
7
Deerfield Management
New York
$3.75M – – –
CG
8
Carlyle Group
District of Columbia
$3.59M – – –
Vanguard Group
9
Vanguard Group
Pennsylvania
$2.89M -$246K -134,463 -8%
Balyasny Asset Management
10
Balyasny Asset Management
Illinois
$1.94M -$48.5K -26,520 -3%
SG
11
StepStone Group
California
$1.64M – – –
Goldman Sachs
12
Goldman Sachs
New York
$916K -$357K -195,206 -30%
SB
13
Samsara BioCapital
California
$795K – – –
TC
14
Trium Capital
United Kingdom
$786K +$31.1K +16,983 +4%
BlackRock
15
BlackRock
New York
$771K -$3.12M -1,707,979 -82%
QUSVM
16
Qiming U.S. Ventures Management
Washington
$742K – – –
Deutsche Bank
17
Deutsche Bank
Germany
$626K -$18.3K -10,016 -3%
Acadian Asset Management
18
Acadian Asset Management
Massachusetts
$611K +$261K +142,825 +86%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$508K -$647K -353,679 -58%
SCM
20
Stonepine Capital Management
Oregon
$450K -$23.7K -12,941 -5%
Two Sigma Advisers
21
Two Sigma Advisers
New York
$421K +$200K +109,224 +107%
RC
22
RBF Capital
California
$398K +$366K +200,000 New
Millennium Management
23
Millennium Management
New York
$351K +$39.4K +21,543 +14%
Morgan Stanley
24
Morgan Stanley
New York
$348K -$879K -480,771 -73%
Two Sigma Investments
25
Two Sigma Investments
New York
$339K +$145K +79,494 +88%
1
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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.