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Y-mAbs Therapeutics, Inc.

YMABDelisted Sep 16, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0001722964

Y-mAbs Therapeutics, Inc. was delisted on Sep 16, 2025; its insiders filed their last Form 4 on Sep 19, 2025; 97 institutions reported holding it in 13F filings for Q2 2025, worth $125.9M in total; no superinvestor held it.

Q3 2021 vs. Q2 2021

How the institutions holding Y-mAbs Therapeutics, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of YMAB: Q2 2021 compared with Q3 2021
MeasureQ2 2021Q3 2021Change
Holders10097−3
Shares26.1M26.2M+102.8K (+0.4%)
Value$886.9M$749.0M−$137.9M (−15.5%)

New holders (10)

Institutions that held Y-mAbs Therapeutics, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to YMAB in Q3 2021
InstitutionSharesValue% of portfolio
Dimensional Fund Advisors LP125,522$3.58M0.00%
Brandywine Global Investment Management, LLC32,537$929.0K0.01%
Jane Street Group, LLC18,311$523.0K0.00%
Cubist Systematic Strategies, LLC14,884$425.0K0.01%
Zurcher Kantonalbank (Zurich Cantonalbank)1,868$53.0K0.00%
Lazard Asset Management LLC1,801$51.0K0.00%
Migdal Insurance & Financial Holdings Ltd.1,720$49.0K0.00%
Point72 Hong Kong Ltd995$28.0K0.00%
Quantbot Technologies LP600$17.0K0.00%
Eagle Bay Advisors LLC50$1.00K0.00%

Sold out (13)

Institutions that held Y-mAbs Therapeutics, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of YMAB in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Tekla Capital Management LLC197,820$6.69M
Burrage Capital Management LLC114,454$3.87M
Two Sigma Investments, LP46,228$1.56M
D. E. Shaw & Co., Inc.39,083$1.32M
Hillsdale Investment Management Inc.26,699$902.0K
Squarepoint Ops LLC18,554$627.0K
Marshall Wace, LLP12,310$415.0K
Trexquant Investment LP8,690$294.0K
Marshall Wace North America L.P.8,204$277.0K
Amalgamated Bank6,599$223.0K
Credit Agricole S A3,500$118.0K
Signaturefd, LLC29$1.00K
Red Door Wealth Management, LLC40$1.00K