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HOOK

HOOKIPA Pharma
HOOK

Delisted

HOOK was delisted on the 7th of August, 2025.

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32 hedge funds and large institutions have $5.3M invested in HOOKIPA Pharma in 2025 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 9 increasing their positions, 6 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

67% more call options, than puts

Call options by funds: $5K | Put options by funds: $3K

50% more repeat investments, than reductions

Existing positions increased: 9 | Existing positions reduced: 6

4.56% less ownership

Funds ownership: 55.35% → 50.79% (-4.6%)

16% less funds holding

Funds holding: 38 → 32 (-6)

51% less capital invested

Capital invested by funds: $10.7M → $5.3M (-$5.45M)

60% less first-time investments, than exits

New positions opened: 4 | Existing positions closed: 10

Holders
32
Holders Change
-6
Holders Change %
-15.79%
% of All Funds
0.43%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
4
Increased
9
Reduced
6
Closed
10
Calls
$5K
Puts
$3K
Net Calls
+$2K
Net Calls Change
-$40K

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$144K
2
UBS Group
UBS Group
Switzerland
+$36.6K
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$31.7K
4
Prudential Financial
Prudential Financial
New Jersey
+$28.7K
5
XT
XTX Topco
Cayman Islands
+$26.7K

Top Sellers

Rank Fund Capital Flow
1
EC
EcoR1 Capital
California
-$782K
2
RG
Redmile Group
California
-$214K
3
EGM
Engineers Gate Manager
New York
-$47.7K
4
Citadel Advisors
Citadel Advisors
Florida
-$36.8K
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$33.3K
Name Holding Trade Value Shares
Change 		Change in
Stake
Osaic Holdings
26
Osaic Holdings
Arizona
$594 +$906 +550 New
Bank of America
27
Bank of America
North Carolina
$512 +$3 +2 +0.4%
Wells Fargo
28
Wells Fargo
California
$40 +$61 +37 New
BNP Paribas Financial Markets
29
BNP Paribas Financial Markets
France
$36 – – –
FDCDDQ
30
Federation des caisses Desjardins du Quebec
Quebec, Canada
$36 – – –
SS
31
SBI Securities
Japan
$14 – – –
BF
32
BOK Financial
Oklahoma
$9 – – –
EC
33
EcoR1 Capital
California
– -$782K -388,861 Closed
RG
34
Redmile Group
California
– -$214K -106,376 Closed
EGM
35
Engineers Gate Manager
New York
– -$47.7K -23,713 Closed
Millennium Management
36
Millennium Management
New York
– -$30.8K -15,326 Closed
HF
37
HRT Financial
New York
– -$22K -11,309 Closed
Group One Trading
38
Group One Trading
Illinois
– -$261 -130 Closed
PA
39
Parallel Advisors
California
– -$70 -35 Closed
Citigroup
40
Citigroup
New York
– -$14 -7 Closed
TC
41
Truvestments Capital
Florida
– -$4 -2 Closed
1
2

HOOK Hedge Fund Activity: Q1 2025 in Review

32 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in HOOKIPA Pharma (HOOK) for Q1 2025, worth a combined $5.3M — down 51% from $10.7M a quarter earlier.

Sellers outnumbered buyers: 10 funds closed out of HOOK and 4 opened new positions — a net loss of 6 holders — while 6 trimmed existing stakes and 9 added.

The largest buyer was Vanguard Group, adding an estimated $144K. The largest seller was EcoR1 Capital, exiting entirely with an estimated $782K sold.

  • 32 institutional investors held HOOKIPA Pharma (HOOK) as of Q1 2025, down from 38 in Q4 2024.
  • Funds reported $5.3M of HOOKIPA Pharma stock for Q1 2025, down 51% quarter-over-quarter.
  • 4 funds opened new HOOKIPA Pharma positions in Q1 2025 and 10 closed out, a net change of -6 holders.
  • The largest HOOKIPA Pharma buyer in Q1 2025 was Vanguard Group, an estimated $144K added.
  • The largest HOOKIPA Pharma seller in Q1 2025 was EcoR1 Capital, an estimated $782K sold.

Based on aggregated 13F filings for Q1 2025.