Celldex Therapeutics, Inc. - Common Stock, par value $0.001 (CLDX)

CUSIP: 15117B202

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class
Equity / Common Stock, par value $0.001
Shares outstanding
80,000,000
Total 13F shares
72,931,137
Share change
-494,026
Total reported value
$2,312,609,200
Put/Call ratio
193%
Price per share
$31.72
Number of holders
225
Value change
-$9,294,472
Number of buys
119
Number of sells
70

Security key

15117B202

Report period

Q1 2026

Institutions

225

Top holders

10

Top shareholders of CLDX - Celldex Therapeutics, Inc. - Common Stock, par value $0.001 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
WELLINGTON MANAGEMENT GROUP LLP
13F 13D/G
Company
12%
from 13D/G
8,079,608
$219,442,154 31 Dec 2025
Kynam Capital Management, LP
13F 13D/G
Company
8.8%
from 13D/G
5,943,180
$161,416,769 31 Dec 2025
BlackRock, Inc.
13F 13D/G
Company
7.3%
from 13D/G
5,451,815
$148,071,294 31 Dec 2025
FMR LLC
13F 13D/G
Company
5.6%
from 13D/G
4,907,469
$133,286,863 31 Dec 2025
VANGUARD CAPITAL MANAGEMENT LLC
13D/G
Vanguard Capital Management
5.2%
3,446,795
$109,332,337 $0 31 Mar 2026
Commodore Capital LP
13D/G 13F
Company
4.6%
3,028,335
$78,343,026 -$8,321,474 30 Sep 2025
STATE STREET CORP
13F 13D/G
Company · STATE STREET CORPORATION
4.2%
from 13D/G
3,397,713
$92,281,885 31 Dec 2025
PRICE T ROWE ASSOCIATES INC /MD/
13D/G 13F
T. Rowe Price Associates, Inc. · Company
3.6%
2,382,701
$61,640,475 -$30,382,633 30 Sep 2025
Point72 Asset Management, L.P.
13F 13D/G
Company
2.6%
from 13D/G
1,758,357
$47,756,976 31 Dec 2025
EVENTIDE ASSET MANAGEMENT, LLC
13F 13D/G
Company
2%
from 13D/G
1,642,559
$44,607,415 31 Dec 2025
Bellevue Group AG
13F 13D/G
Company
1.5%
from 13D/G
3,617,669
$98,255,890 31 Dec 2025
Ph.D. Ronald A. Pepin
3/4/5
SR. VP & CBO
0.03%
20,097
$55,869 15 Dec 2025
VANGUARD GROUP INC
13F
Company
5%
4,027,407
$109,384,374 31 Dec 2025
13F
Deep Track Capital, LP
13F
Company
2.4%
1,900,738
$51,624,044 31 Dec 2025
13F
BRAIDWELL LP
13F
Company
2.3%
1,858,109
$50,466,240 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2%
1,627,529
$44,211,330 31 Dec 2025
13F
Eversept Partners, LP
13F
Company
1.8%
1,434,725
$38,967,131 31 Dec 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
1.5%
1,212,705
$32,937,068 31 Dec 2025
13F
Novo Holdings A/S
13F
Company
1.5%
1,200,000
$32,592,000 31 Dec 2025
13F
Vestal Point Capital, LP
13F
Company
1.5%
1,165,000
$31,641,400 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
1.3%
1,068,131
$29,010,438 31 Dec 2025
13F
Polar Capital Holdings Plc
13F
Company
1.3%
1,008,163
$27,381,707 31 Dec 2025
13F
Pictet Asset Management Holding SA
13F
Company
1.2%
968,616
$26,307,611 31 Dec 2025
13F
Fisher Asset Management, LLC
13F
Company
1.2%
937,158
$25,453,210 31 Dec 2025
13F
Elmind Capital, LP
13F
Company
1.1%
865,000
$23,493,400 31 Dec 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
1.1%
855,226
$23,227,976 31 Dec 2025
13F
Rock Springs Capital Management LP
13F
Company
0.87%
692,538
$18,809,332 31 Dec 2025
13F
BAKER BROS. ADVISORS LP
13F
Company
0.83%
665,370
$18,071,449 31 Dec 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.81%
651,716
$17,699,718 31 Dec 2025
13F
ADAR1 Capital Management, LLC
13F
Company
0.81%
646,767
$17,566,192 31 Dec 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.69%
550,729
$14,957,800 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.69%
549,998
$14,937,946 31 Dec 2025
13F
SEGALL BRYANT & HAMILL, LLC
13F
Company
0.64%
514,531
$13,974,662 31 Dec 2025
13F
Woodline Partners LP
13F
Company
0.63%
500,127
$13,583,449 31 Dec 2025
13F
5AM Venture Management, LLC
13F
Company
0.62%
497,270
$13,505,853 31 Dec 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.52%
414,888
$11,268,359 31 Dec 2025
13F
Affinity Asset Advisors, LLC
13F
Company
0.44%
350,000
$9,506,000 31 Dec 2025
13F
Logos Global Management LP
13F
Company
0.44%
350,000
$9,506,000 31 Dec 2025
13F
UBS Group AG
13F
Company
0.41%
326,462
$8,866,707 31 Dec 2025
13F
MORGAN STANLEY
13F
Company
0.36%
285,535
$7,755,155 31 Dec 2025
13F
Redmile Group, LLC
13F
Company
0.35%
283,308
$7,694,645 31 Dec 2025
13F
Tetragon Partners GP Ltd
13F
Company
0.3%
243,800
$6,621,608 31 Dec 2025
13F
BARCLAYS PLC
13F
Company
0.3%
240,594
$6,534,533 31 Dec 2025
13F
SPHERA FUNDS MANAGEMENT LTD.
13F
Company
0.3%
239,764
$6,511,990 31 Dec 2025
13F
Corient Private Wealth LLC
13F
Company
0.29%
234,698
$6,209,889 31 Dec 2025
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
0.29%
230,662
$6,264,780 31 Dec 2025
13F
Nuveen, LLC
13F
Company
0.25%
200,696
$5,450,904 31 Dec 2025
13F
Bank of New York Mellon Corp
13F
Company
0.24%
194,552
$5,284,020 31 Dec 2025
13F
SILVERARC CAPITAL MANAGEMENT, LLC
13F
Company
0.24%
191,074
$5,189,570 31 Dec 2025
13F
JPMORGAN CHASE & CO
13F
Company
0.22%
173,677
$4,717,067 31 Dec 2025
13F

Institutional Holders of Celldex Therapeutics, Inc. - Common Stock, par value $0.001 (CLDX) as of Q1 2026

As of 31 Mar 2026, Celldex Therapeutics, Inc. - Common Stock, par value $0.001 (CLDX) was held by 225 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 72,931,137 shares. The largest 10 holders included WELLINGTON MANAGEMENT GROUP LLP, Kynam Capital Management, LP, BlackRock, Inc., FMR LLC, Point72 Asset Management, L.P., VANGUARD CAPITAL MANAGEMENT LLC, STATE STREET CORP, Commodore Capital LP, PRICE T ROWE ASSOCIATES INC /MD/, and Eversept Partners, LP. This page lists 225 institutional shareholders reporting positions in this security for the Q1 2026 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
183
Q1 2026 holders
225
Holder diff
42
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 Value $ Q1 2026 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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