Ticker · CUSIP 984241109

YMABUSD

Y-MABS THERAPEUTICS INC
···Share
Holders (tracked)
8
Combined shares
1,447,205
Combined value
$6.45M
Last close
Quarter
2025Q2
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
8102023Q32025Q2

SEC event timeline

6 events
  1. −139,955 shares · 2025Q3
    13F
  2. −125,298 shares · 2025Q3
    13F
  3. −516,857 shares · 2025Q3
    13F
  4. −17,211 shares · 2025Q3
    13F
  5. −252,142 shares · 2025Q3
    13F
  6. −164,100 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q2

13F transactions reported for the latest quarter, grouped by direction.
New positions0
Added to1
Trimmed4
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2021Q3
2
$200.2M
2021Q4
4
$71.7M
2022Q1
7
$63.0M
2022Q2
7
$79.0M
2022Q3
8
$76K
2022Q4
10
$25.1M
2023Q1
11
$22.3M
2023Q2
11
$33.4M
2023Q3
10
$27.2M
2023Q4
8
$21.4M
2024Q1
11
$83.0M
2024Q2
12
$62.4M
2024Q3
11
$19.8M
2024Q4
10
$8.7M
2025Q1
10
$8.8M
2025Q2
8
$6.4M

Who owns YMABUSD

8 super-investors · 2025Q2
Tracked stake
1.45M
shares
Combined value
$6M
% of shares outstanding
shares-out unknown
Quarter action mix
Added1Trim4Held3
#ManagerSharesValue
1D.E. Shaw & Co.516.9K$2M
2AQR Capital Management252.1K$1M
3Ken Griffin
Citadel Advisors
207.6K$936K
4Renaissance Technologies164.1K$740K
5Izzy Englander
Millennium Mgmt
140.0K$631K
6Two Sigma Investments125.3K$565K
7Ken Griffin
Citadel Advisors
24.0K$108K
8T. Rowe Price17.2K$78

Recent moves

20 transactions
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