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Celldex Therapeutics
CLDX

228 hedge funds and large institutions have $2.31B invested in Celldex Therapeutics in 2026 Q1 according to their latest regulatory filings, with 60 funds opening new positions, 67 increasing their positions, 58 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

329% more first-time investments, than exits

New positions opened: 60 | Existing positions closed: 14

50% more funds holding in top 10

Funds holding in top 10: 6 → 9 (+3)

23% more funds holding

Funds holding: 185 → 228 (+43)

16% more capital invested

Capital invested by funds: $2B → $2.31B (+$314M)

16% more repeat investments, than reductions

Existing positions increased: 67 | Existing positions reduced: 58

1.19% less ownership

Funds ownership: 110.21% → 109.01% (-1.2%)

38% less call options, than puts

Call options by funds: $3.79M | Put options by funds: $6.1M

Holders
228
Holders Change
+43
Holders Change %
+23.24%
% of All Funds
2.81%
Holding in Top 10
9
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+50%
% of All Funds
0.11%
New
60
Increased
67
Reduced
58
Closed
14
Calls
$3.79M
Puts
$6.1M
Net Calls
-$2.31M
Net Calls Change
-$3.85M

Top Buyers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
+$40.1M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$13.1M
3
IC
Ikarian Capital
Texas
+$12.6M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$11.1M
5
EP
Eversept Partners
New York
+$9.63M

Top Sellers

1
BG
Bellevue Group
Switzerland
-$65.9M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$31.6M
3
PCH
Polar Capital Holdings
United Kingdom
-$27.4M
4
DTC
Deep Track Capital
Connecticut
-$16.8M
5
EAM
Eventide Asset Management
Massachusetts
-$16.5M
Name Holding Trade Value Shares
Change 		Change in
Stake
FAM
126
Fred Alger Management
New York
$585K +$503K +18,454 New
PFSRSONJ
127
Police & Firemen's Retirement System of New Jersey
New Jersey
$575K +$35.6K +1,306 +8%
DnB Asset Management
128
DnB Asset Management
Norway
$574K +$32.3K +1,186 +7%
ASRS
129
Arizona State Retirement System
Arizona
$521K -$2.67K -98 -0.6%
SOAM
130
SBI Okasan Asset Management
Japan
$483K – – –
State Board of Administration of Florida Retirement System
131
State Board of Administration of Florida Retirement System
Florida
$461K – – –
VIA
132
Vanguard Investments Australia
Australia
$455K +$391K +14,345 New
Barclays
133
Barclays
United Kingdom
$443K -$6.18M -226,619 -94%
PR
134
PSP Research
Pennsylvania
$412K -$201K -7,368 -36%
Bank of Montreal
135
Bank of Montreal
Ontario, Canada
$412K +$354K +12,995 New
KK
136
KLP Kapitalforvaltning
Norway
$406K – – –
AA
137
AlphaCentric Advisors
Puerto Rico
$400K +$344K +12,614 New
Corient Private Wealth
138
Corient Private Wealth
Florida
$393K -$12.4M -454,390 -97%
XT
139
XTX Topco
Cayman Islands
$383K -$1.08M -39,449 -77%
MG
140
Marex Group
$381K +$104K +3,800 +46%
VOYA Investment Management
141
VOYA Investment Management
Georgia
$372K -$7.31K -268 -2%
OMC
142
Overbrook Management Corp
New York
$366K – – –
TC
143
TwinBeech Capital
New York
$363K +$312K +11,445 New
GT
144
Glenmede Trust
Pennsylvania
$357K +$307K +11,267 New
Prudential Financial
145
Prudential Financial
New Jersey
$330K +$284K +10,403 New
VIA
146
Virtus Investment Advisers
Connecticut
$314K +$6.54K +240 +2%
SRL
147
Scientech Research LLC
New Jersey
$301K +$259K +9,502 New
ProShare Advisors
148
ProShare Advisors
Maryland
$301K -$67.6K -2,480 -21%
Amundi
149
Amundi
France
$297K +$255K +9,351 New
BHCM
150
Brevan Howard Capital Management
Jersey
$294K +$252K +9,255 New
4 5
6
7 8

CLDX Hedge Fund Activity: Q1 2026 in Review

228 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Celldex Therapeutics (CLDX) for Q1 2026, worth a combined $2.31B — up 16% from $2B a quarter earlier.

Buyers outnumbered sellers: 60 funds opened new CLDX positions and 14 closed out — a net gain of 46 holders — while 67 added to existing stakes and 58 trimmed.

The largest buyer was Point72 Asset Management, adding an estimated $40.1M. The largest seller was Bellevue Group, cutting an estimated $65.9M.

  • 228 institutional investors held Celldex Therapeutics (CLDX) as of Q1 2026, up from 185 in Q4 2025.
  • Funds reported $2.31B of Celldex Therapeutics stock for Q1 2026, up 16% quarter-over-quarter.
  • 60 funds opened new Celldex Therapeutics positions in Q1 2026 and 14 closed out, a net change of +46 holders.
  • The largest Celldex Therapeutics buyer in Q1 2026 was Point72 Asset Management, an estimated $40.1M added.
  • The largest Celldex Therapeutics seller in Q1 2026 was Bellevue Group, an estimated $65.9M sold.

Based on aggregated 13F filings for Q1 2026.