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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.

Q4 2021 vs. Q3 2021

How the institutions holding Y-mAbs Therapeutics, Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of YMAB: Q3 2021 compared with Q4 2021
MeasureQ3 2021Of which not filed for Q4 2021Q4 2021Change
Holders97197+1
Shares26.2M2.35K25.7M−507.1K (−1.9%)
Value$749.0M$67.0K$417.1M−$331.8M (−44.3%)

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (16)

Institutions that held Y-mAbs Therapeutics, Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to YMAB in Q4 2021
InstitutionSharesValue% of portfolio
Logos Global Management LP250,000$4.05M0.42%
Renaissance Technologies LLC98,600$1.60M0.00%
Gsa Capital Partners LLP69,311$1.12M0.14%
Two Sigma Investments, LP38,792$629.0K0.00%
Ergoteles LLC18,566$301.0K0.01%
Walleye Capital LLC17,188$279.0K0.01%
Qube Research & Technologies Ltd15,577$253.0K0.00%
Allspring Global Investments Holdings, LLC15,063$244.0K0.00%
Millennium Management LLC12,613$204.0K0.00%
Advisor Group Holdings, Inc.4,159$67.0K0.00%
US Bancorp1,313$21.0K0.00%
Cassady Schiller Wealth Management, LLC525$9.00K0.01%
Signaturefd, LLC83$1.00K0.00%
Lindbrook Capital, LLC51$1.00K0.00%
Parallel Advisors, LLC16$00.00%
Covestor Ltd16$00.00%

Sold out (15)

Institutions that held Y-mAbs Therapeutics, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Not filed for Q4 2021 yet (1)

Institutions that held Y-mAbs Therapeutics, Inc. at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding YMAB in Q3 2021 that haven't filed for Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
First Mercantile Trust Co2,350$67.0K