Institutional Ownership Y M Abs Therapeutics, Inc. (YMAB)
This table provides information about the institutional ownership of Y M Abs Therapeutics, Inc. (YMAB). We have compiled data on the 97 institutions that hold shares in the stock, with a total of 26 Million shares, which have been reported (via 13F filing form) to have a value of $223 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Aug 13, 2025 Q2 2025 |
164,100
shares
|
$1.41 Million
0.0% of portfolio
|
Q2 2025
Reduced 36.07%
|
|
|
Infinitum Asset Management, LLC
Fort Lauderdale, FL |
Aug 13, 2025 Q2 2025 |
155,529
shares
|
$1.33 Million
0.16% of portfolio
|
Q1 2025
Reduced 77.43%
|
|
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
Aug 14, 2025 Q2 2025 |
142,641
shares
|
$1.22 Million
0.0% of portfolio
|
Q2 2025
Reduced 39.94%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
139,955
shares
|
$1.2 Million
0.0% of portfolio
|
Q2 2025
Reduced 70.01%
|
|
|
Two Sigma Investments, LP
New York, NY |
Aug 14, 2025 Q2 2025 |
125,298
shares
|
$1.08 Million
0.0% of portfolio
|
Q2 2025
Reduced 19.05%
|
|
|
Federated Hermes, Inc.
Pittsburgh, PA |
Aug 13, 2025 Q2 2025 |
119,425
shares
|
$1.02 Million
0.0% of portfolio
|
Q2 2025
Reduced 22.17%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
Aug 14, 2025 Q2 2025 |
115,700
shares
|
$992,706
0.0% of portfolio
|
Q2 2025
Reduced 19.26%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
112,483
shares
|
$965,104
0.0% of portfolio
|
Q2 2024
Reduced 57.99%
|
|
|
Rice Hall James & Associates, LLC
|
Aug 11, 2025 Q2 2025 |
109,604
shares
|
$940,402
0.03% of portfolio
|
Q2 2025
Added 5.75%
|
|
|
Nuveen, LLC
Charlotte, NC |
Aug 12, 2025 Q2 2025 |
93,418
shares
|
$801,526
0.0% of portfolio
|
Q2 2025
Reduced 16.95%
|
|
|
Xtx Topco LTD
London, X0 |
Aug 12, 2025 Q2 2025 |
86,440
shares
|
$741,655
0.02% of portfolio
|
Q2 2025
Reduced 5.48%
|
|
|
Barclays PLC
London, X0 |
Aug 14, 2025 Q2 2025 |
72,842
shares
|
$624,984
0.0% of portfolio
|
Q2 2025
Added 55.79%
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Aug 14, 2025 Q2 2025 |
69,908
shares
|
$599,810
0.0% of portfolio
|
Q2 2025
Reduced 55.05%
|
|
|
Rhumbline Advisers
Boston, MA |
Aug 12, 2025 Q2 2025 |
68,399
shares
|
$586,863
0.0% of portfolio
|
Q2 2025
Added 26.88%
|
|
|
Strs Ohio
|
Aug 04, 2025 Q2 2025 |
62,400
shares
|
$535,392
0.0% of portfolio
|
Q2 2025
Added 43.78%
|
|
|
Jump Financial, LLC
Chicago, IL |
Aug 13, 2025 Q2 2025 |
61,500
shares
|
$527,670
0.0% of portfolio
|
Q2 2025
Added 61.51%
|
|
|
Jane Street Group, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
60,873
shares
|
$522,290
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Alliancebernstein L.P.
New York, NY |
Aug 14, 2025 Q2 2025 |
59,380
shares
|
$509,480
0.0% of portfolio
|
Q2 2025
Added 8.4%
|
|
|
Bridgeway Capital Management, LLC
Houston, TX |
Aug 14, 2025 Q2 2025 |
55,700
shares
|
$477,906
0.01% of portfolio
|
Q2 2025
Added 123.69%
|
|
|
State Of Wisconsin Investment Board
Madison, WI |
Aug 14, 2025 Q2 2025 |
51,336
shares
|
$440,462
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
51,090
shares
|
$438,352
0.0% of portfolio
|
Q2 2025
Reduced 15.78%
|
|
|
Sapient Capital LLC
Indianapolis, IN |
Jul 09, 2025 Q2 2025 |
43,700
shares
|
$374,946
0.0% of portfolio
|
Q4 2023
New holding
|
|
|
Invesco Ltd.
Atlanta, GA |
Aug 13, 2025 Q2 2025 |
42,833
shares
|
$367,507
0.0% of portfolio
|
Q2 2025
Added 31.6%
|
|
|
Marshall Wace, LLP
London, X0 |
Aug 13, 2025 Q2 2025 |
40,181
shares
|
$344,752
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Quest Partners LLC
New York, NY |
Jul 31, 2025 Q2 2025 |
38,925
shares
|
$333,976
0.02% of portfolio
|
Q1 2025
Added 43.45%
|