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X4 Pharmaceuticals

84 hedge funds and large institutions have $388M invested in X4 Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 22 increasing their positions, 23 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

64% more first-time investments, than exits

New positions opened: 18 | Existing positions closed: 11

50% more funds holding in top 10

Funds holding in top 10: 46 (+2)

8% more capital invested

Capital invested by funds: $358M → $388M (+$30.4M)

6% more funds holding

Funds holding: 7984 (+5)

1.01% more ownership

Funds ownership: 102.28%103.28% (+1%)

4% less repeat investments, than reductions

Existing positions increased: 22 | Existing positions reduced: 23

Holders
84
Holders Change
+5
Holders Change %
+6.33%
% of All Funds
1.03%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
18
Increased
22
Reduced
23
Closed
11
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SSA
51
Schonfeld Strategic Advisors
New York
$80.6K +$73.1K +19,514 New
JFG
52
Jefferies Financial Group
New York
$80.4K -$24.9K -6,644 -25%
CC
53
Caxton Corporation
New Jersey
$64.2K
ECM
54
ExodusPoint Capital Management
New York
$60.7K -$241K -64,369 -81%
Two Sigma Investments
55
Two Sigma Investments
New York
$57.3K -$12.7K -3,378 -20%
Creative Planning
56
Creative Planning
Kansas
$57.1K -$9.77K -2,608 -16%
VF
57
Virtu Financial
New York
$53K -$36.6K -9,759 -43%
JF
58
Jump Financial
Illinois
$50.9K +$46.1K +12,317 New
VPIM
59
Vanguard Personalized Indexing Management
California
$47.6K +$43.2K +11,525 New
SC
60
SummitTX Capital
Texas
$46.3K +$42K +11,200 New
WG
61
Winton Group
United Kingdom
$43.8K +$39.7K +10,600 New
IP
62
Indivisible Partners
Florida
$37K
BNP Paribas Financial Markets
63
BNP Paribas Financial Markets
France
$19.6K +$15.9K +4,245 +831%
Barclays
64
Barclays
United Kingdom
$11.6K -$205K -54,686 -95%
S
65
SignatureFD
Georgia
$8.24K -$2.84K -758 -28%
PNC Financial Services Group
66
PNC Financial Services Group
Pennsylvania
$7.26K
SOW
67
State of Wyoming
Wyoming
$4.4K +$3.99K +1,065 New
Russell Investments Group
68
Russell Investments Group
United Kingdom
$3.01K
Acadian Asset Management
69
Acadian Asset Management
Massachusetts
$3K +$3K +802 New
Group One Trading
70
Group One Trading
Illinois
$2.94K -$12.3K -3,286 -82%
BL
71
Bleichroeder LP
New York
$2.46K
FFA
72
Farther Finance Advisors
California
$1.44K
AF
73
Allworth Financial
California
$1.28K -$1.52K -405 -57%
BTI
74
Blue Trust Inc
Georgia
$1.17K
TRCT
75
Tower Research Capital (TRC)
New York
$743 -$38.5K -10,266 -98%