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HOOK

HOOKIPA Pharma
HOOK

Delisted

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

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41 hedge funds and large institutions have $29.4M invested in HOOKIPA Pharma in 2023 Q4 according to their latest regulatory filings, with 7 funds opening new positions, 8 increasing their positions, 11 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

189% more call options, than puts

Call options by funds: $52K | Put options by funds: $18K

14% more capital invested

Capital invested by funds: $25.7M → $29.4M (+$3.69M)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

0.67% less ownership

Funds ownership: 5.12% → 4.45% (-0.67%)

7% less funds holding

Funds holding: 44 → 41 (-3)

27% less repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 11

30% less first-time investments, than exits

New positions opened: 7 | Existing positions closed: 10

Holders
41
Holders Change
-3
Holders Change %
-6.82%
% of All Funds
0.6%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
7
Increased
8
Reduced
11
Closed
10
Calls
$52K
Puts
$18K
Net Calls
+$34K
Net Calls Change
+$50K

Top Buyers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
+$952K
2
Vanguard Group
Vanguard Group
Pennsylvania
+$164K
3
TSS
Two Sigma Securities
New York
+$45.3K
4
BBA
Baker Bros. Advisors
New York
+$34.6K
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$28.9K

Top Sellers

Rank Fund Capital Flow
1
AC
Armistice Capital
New York
-$2.29M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$1.92M
3
Renaissance Technologies
Renaissance Technologies
New York
-$202K
4
Two Sigma Investments
Two Sigma Investments
New York
-$135K
5
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$110K
Name Holding Trade Value Shares
Change 		Change in
Stake
BBA
1
Baker Bros. Advisors
New York
$6.58M +$34.6K +6,275 +0.8%
AG
2
Artal Group
Luxembourg
$4.59M – – –
KCM
3
Knoll Capital Management
Florida
$4.47M – – –
EC
4
EcoR1 Capital
California
$3.72M – – –
Fidelity Investments
5
Fidelity Investments
Massachusetts
$2.72M – – –
Morgan Stanley
6
Morgan Stanley
New York
$1.92M +$952K +172,718 +269%
Vanguard Group
7
Vanguard Group
Pennsylvania
$1.71M +$164K +29,731 +16%
RG
8
Redmile Group
California
$862K – – –
Geode Capital Management
9
Geode Capital Management
Massachusetts
$474K +$28.9K +5,250 +10%
IC
10
Ikarian Capital
Texas
$430K – – –
Acadian Asset Management
11
Acadian Asset Management
Massachusetts
$383K +$25.6K +4,638 +11%
BlackRock
12
BlackRock
New York
$238K -$534 -97 -0.3%
BC
13
BIT Capital
Germany
$185K +$22.8K +4,142 +22%
Royal Bank of Canada
14
Royal Bank of Canada
Ontario, Canada
$178K -$110K -19,964 -48%
Renaissance Technologies
15
Renaissance Technologies
New York
$153K -$202K -36,699 -66%
State Street
16
State Street
Massachusetts
$130K – – –
BFM
17
Boothbay Fund Management
New York
$95.3K – – –
Northern Trust
18
Northern Trust
Illinois
$89.9K – – –
XT
19
XTX Topco
Cayman Islands
$85.7K -$31.4K -5,698 -35%
BCM
20
Bridgeway Capital Management
Texas
$70.9K – – –
TSS
21
Two Sigma Securities
New York
$66.5K +$45.3K +8,214 New
Millennium Management
22
Millennium Management
New York
$46.7K -$29.8K -5,416 -48%
TSWM
23
Tyler-Stone Wealth Management
Ohio
$31.5K +$21.4K +3,890 New
Charles Schwab
24
Charles Schwab
California
$29.4K – – –
DIM
25
DLK Investment Management
California
$25.9K +$17.6K +3,200 New
1
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HOOK Hedge Fund Activity: Q4 2023 in Review

41 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in HOOKIPA Pharma (HOOK) for Q4 2023, worth a combined $29.4M — up 14% from $25.7M a quarter earlier.

Sellers outnumbered buyers: 10 funds closed out of HOOK and 7 opened new positions — a net loss of 3 holders — while 11 trimmed existing stakes and 8 added.

The largest buyer was Morgan Stanley, adding an estimated $952K. The largest seller was Armistice Capital, exiting entirely with an estimated $2.29M sold.

  • 41 institutional investors held HOOKIPA Pharma (HOOK) as of Q4 2023, down from 44 in Q3 2023.
  • Funds reported $29.4M of HOOKIPA Pharma stock for Q4 2023, up 14% quarter-over-quarter.
  • 7 funds opened new HOOKIPA Pharma positions in Q4 2023 and 10 closed out, a net change of -3 holders.
  • The largest HOOKIPA Pharma buyer in Q4 2023 was Morgan Stanley, an estimated $952K added.
  • The largest HOOKIPA Pharma seller in Q4 2023 was Armistice Capital, an estimated $2.29M sold.

Based on aggregated 13F filings for Q4 2023.