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Celldex Therapeutics Ownership | Who Owns Celldex Therapeutics?

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Celldex Therapeutics Ownership Summary

Celldex Therapeutics is owned by 40.71% institutional investors, 0.20% insiders, and 59.09% retail investors. Kynam capital management, lp is the largest institutional shareholder, holding 9.19% of CLDX shares. Vanguard Health Care Inv is the top mutual fund, with 6.38% of its assets in Celldex Therapeutics shares.

CLDX Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockCelldex Therapeutics40.71%0.20%59.09%
SectorHealthcare Stocks 232.20%10.74%-142.94%
IndustryBiotech Stocks 382.11%10.55%-292.66%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Kynam capital management, lp6.10M9.19%$157.83M
Wellington management group llp5.80M8.74%$150.05M
Blackrock funding, inc. /de5.45M8.21%$148.07M
Blackrock4.69M7.97%$173.61M
Fmr4.96M7.47%$128.37M
Vanguard group4.03M6.06%$109.38M
Point72 asset management3.89M5.87%$100.74M
Bellevue group3.56M5.36%$92.04M
Commodore capital lp3.03M4.56%$78.34M
State street2.84M4.28%$73.53M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Kynam capital management, lp6.10M11.75%$157.83M
5am venture management497.27K4.71%$12.86M
Commodore capital lp3.03M3.82%$78.34M
Propel bio management154.30K3.58%$4.19M
Tsp capital management group375.13K2.49%$10.19M
Eversept partners, lp1.15M2.06%$29.85M
Novo1.20M2.00%$31.04M
Bellevue group3.56M1.91%$92.04M
Deep track capital, lp2.00M1.44%$51.74M
Vestal point capital, lp1.21M1.41%$31.17M

Top Buyers

HolderShares% AssetsChange
Point72 asset management3.89M0.17%1.09M
Braidwell lp591.69K0.45%591.69K
Wellington management group llp5.80M0.03%567.68K
Eventide asset management1.86M0.79%502.91K
State street2.84M0.00%436.64K

Top Sellers

HolderShares% AssetsChange
T. rowe price investment management---1.70M
Price t rowe associates inc /md/2.38M0.01%-1.44M
Jennison associates---1.32M
Woodline partners lp199.29K0.02%-1.30M
Ecor1 capital---650.00K

New Positions

HolderShares% AssetsChangeValue
Braidwell lp591.69K0.45%591.69K$15.31M
Affinity asset advisors300.00K0.68%300.00K$7.76M
Axa investment managers121.33K0.01%121.33K$3.14M
Connor, clark & lunn investment management118.20K0.01%118.20K$3.21M
First trust advisors lp35.53K0.00%35.53K$919.19K

Sold Out

HolderChange
Assetmark-1.00
Umb bank, n.a.-2.00
Nelson, van denburg & campbell wealth management group-10.00
Householder group estate & retirement specialist-11.00
Coldstream capital management-12.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2025112-41.05%27,037,989-61.77%400.36%48-51.02%35-31.37%
Sep 30, 20251802.27%69,405,041-0.96%1040.94%95-14.41%5031.58%
Jun 30, 20251843.95%72,686,2280.53%1090.92%11325.56%41-22.64%
Mar 31, 2025180-5.76%73,628,401-0.08%1100.90%90-11.76%5510.00%
Dec 31, 2024122-38.69%40,075,962-44.20%600.52%68-28.42%29-47.27%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard Health Care Inv4.25M6.38%2.05M
BB Biotech AG Ord3.56M5.34%250.10K
Eventide Gilead N2.38M3.59%-
Vanguard Total Stock Mkt Idx Inv2.12M3.19%10.65K
Vanguard US Total Market Shares ETF2.07M3.11%2.12K
State Street® SPDR® S&P® Biotech ETF1.97M2.96%-10.54K
iShares Russell 2000 ETF1.57M2.36%573.73K
Eventide Healthcare & Life Sciences I1.36M2.04%-
Polar Capital Healthcare Opports Inc1.15M1.73%-
Vanguard Explorer Inv1.06M1.59%-

Recent Insider Transactions

DateNameRoleActivityValue
Dec 04, 2025Jimenez Freddy A. SVP & GENERAL COUNSELSell$121.21K
Nov 13, 2025Wright Richard M. Former OfficerSell$1.18M
Aug 13, 2025Jimenez Freddy A. SVP & GENERAL COUNSELSell$8.17K
Aug 13, 2025Jimenez Freddy A. SVP & GENERAL COUNSELSell$10.93K
Nov 11, 2024Marucci Anthony S PRESIDENT & CEOBuy$308.43K

Insider Transactions Trends

DateBuySell
2025 Q4-2
2025 Q3-2
2025 Q2--
2024 Q41-
2024 Q2-12

CLDX Ownership FAQ

Who Owns Celldex Therapeutics?

Celldex Therapeutics shareholders are primarily institutional investors at 40.71%, followed by 0.20% insiders and 59.09% retail investors. The average institutional ownership in Celldex Therapeutics's industry, Biotech Stocks , is 382.11%, which Celldex Therapeutics falls below.

Who owns the most shares of Celldex Therapeutics?

Celldex Therapeutics’s largest shareholders are Kynam capital management, lp (6.1M shares, 9.19%), Wellington management group llp (5.8M shares, 8.74%), and Blackrock funding, inc. /de (5.45M shares, 8.21%). Together, they hold 26.13% of Celldex Therapeutics’s total shares outstanding.

Does Blackrock own Celldex Therapeutics?

Yes, BlackRock owns 7.97% of Celldex Therapeutics, totaling 4.69M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 173.61M$. In the last quarter, BlackRock increased its holdings by 178.84K shares, a 3.96% change.

Who is Celldex Therapeutics’s biggest shareholder by percentage of total assets invested?

Kynam capital management, lp is Celldex Therapeutics’s biggest shareholder by percentage of total assets invested, with 11.75% of its assets in 6.1M Celldex Therapeutics shares, valued at 157.83M$.

Who is the top mutual fund holder of Celldex Therapeutics shares?

Vanguard Health Care Inv is the top mutual fund holder of Celldex Therapeutics shares, with 6.38% of its total shares outstanding invested in 4.25M Celldex Therapeutics shares.

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