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HLVX

HilleVax
HLVX

Delisted

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

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69 hedge funds and large institutions have $686M invested in HilleVax in 2023 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 35 increasing their positions, 11 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

218% more repeat investments, than reductions

Existing positions increased: 35 | Existing positions reduced: 11

49% more capital invested

Capital invested by funds: $459M → $686M (+$226M)

20% more funds holding in top 10

Funds holding in top 10: 5 → 6 (+1)

15.89% more ownership

Funds ownership: 72.29% → 88.18% (+16%)

1% more funds holding

Funds holding: 68 → 69 (+1)

9% more first-time investments, than exits

New positions opened: 12 | Existing positions closed: 11

Holders
69
Holders Change
+1
Holders Change %
+1.47%
% of All Funds
1.01%
Holding in Top 10
6
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+20%
% of All Funds
0.09%
New
12
Increased
35
Reduced
11
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$6.49M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$4.13M
3
Morgan Stanley
Morgan Stanley
New York
+$3.93M
4
Walleye Capital
Walleye Capital
New York
+$2.72M
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$2.3M

Top Sellers

Rank Fund Capital Flow
1
B
Braidwell
Connecticut
-$16.6M
2
Citadel Advisors
Citadel Advisors
Florida
-$1.9M
3
MIM
Monashee Investment Management
Massachusetts
-$1.48M
4
Bank of Montreal
Bank of Montreal
Ontario, Canada
-$1.23M
5
UOC
UBS O'Connor
Illinois
-$710K
Name Holding Trade Value Shares
Change 		Change in
Stake
FLSM
1
Frazier Life Sciences Management
California
$157M – – –
TPC
2
Takeda Pharmaceutical Company
Japan
$108M +$89.3M +6,724,000 New
DM
3
Deerfield Management
New York
$64.3M – – –
DTC
4
Deep Track Capital
Connecticut
$46.5M – – –
VA
5
VR Adviser
New York
$33.3M +$501K +37,687 +2%
Franklin Resources
6
Franklin Resources
California
$29.6M +$956K +71,938 +4%
CG
7
Carlyle Group
District of Columbia
$29.5M – – –
BlackRock
8
BlackRock
New York
$28.5M +$6.49M +488,355 +38%
Vanguard Group
9
Vanguard Group
Pennsylvania
$23.5M +$4.13M +310,973 +27%
T. Rowe Price Investment Management
10
T. Rowe Price Investment Management
Maryland
$23.3M +$290K +21,822 +2%
CP
11
Catalys Pacific
Japan
$21M +$17.4M +1,308,974 New
Morgan Stanley
12
Morgan Stanley
New York
$14.6M +$3.93M +295,939 +48%
SG
13
StepStone Group
California
$13.3M +$27 +2 +0%
SB
14
Samsara BioCapital
California
$12.8M – – –
Citadel Advisors
15
Citadel Advisors
Florida
$11.6M -$1.9M -142,837 -16%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$9.49M +$2.3M +172,852 +41%
QUSVM
17
Qiming U.S. Ventures Management
Washington
$8.97M – – –
State Street
18
State Street
Massachusetts
$6.7M +$813K +61,216 +17%
ACP
19
Acuta Capital Partners
California
$5.21M +$721K +54,281 +20%
Northern Trust
20
Northern Trust
Illinois
$3.98M +$1M +75,422 +44%
Charles Schwab
21
Charles Schwab
California
$3.35M +$839K +63,125 +43%
Walleye Capital
22
Walleye Capital
New York
$3.28M +$2.72M +204,658 New
B
23
Braidwell
Connecticut
$3.26M -$16.6M -1,245,839 -86%
Adage Capital Partners
24
Adage Capital Partners
Massachusetts
$3.18M +$291K +21,927 +12%
FAM
25
Fred Alger Management
New York
$2.11M +$144K +10,813 +9%
1
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HLVX Hedge Fund Activity: Q4 2023 in Review

69 of the 6,860 institutional investors tracked by Wall St. Rank reported a position in HilleVax (HLVX) for Q4 2023, worth a combined $686M — up 49% from $459M a quarter earlier.

Buyers outnumbered sellers: 12 funds opened new HLVX positions and 11 closed out — a net gain of 1 holder — while 35 added to existing stakes and 11 trimmed.

The largest buyer was BlackRock, adding an estimated $6.49M. The largest seller was Braidwell, cutting an estimated $16.6M.

  • 69 institutional investors held HilleVax (HLVX) as of Q4 2023, up from 68 in Q3 2023.
  • Funds reported $686M of HilleVax stock for Q4 2023, up 49% quarter-over-quarter.
  • 12 funds opened new HilleVax positions in Q4 2023 and 11 closed out, a net change of +1 holder.
  • The largest HilleVax buyer in Q4 2023 was BlackRock, an estimated $6.49M added.
  • The largest HilleVax seller in Q4 2023 was Braidwell, an estimated $16.6M sold.

Based on aggregated 13F filings for Q4 2023.