Igm Biosciences, Inc. IGMS
We take great care to ensure that the data presented and summarized in this overview for IGM Biosciences, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding IGMS
View all-
Baker Bros. Advisors LP New York, NY4.1MShares$5.2 Million0.05% of portfolio
-
Siren, L.L.C. New York, NY3.26MShares$4.13 Million0.19% of portfolio
-
Redmile Group, LLC San Francisco, CA2.95MShares$3.75 Million0.4% of portfolio
-
Black Rock Inc. New York, NY883KShares$1.12 Million0.0% of portfolio
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Goldman Sachs Group Inc New York, NY855KShares$1.09 Million0.0% of portfolio
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Vanguard Group Inc Valley Forge, PA767KShares$974,2850.0% of portfolio
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Israel Englander Millennium Management LLC | New York, Ny275KShares$349,3920.0% of portfolio
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Geode Capital Management, LLC Boston, MA213KShares$270,8560.0% of portfolio
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Jane Street Group, LLC New York, NY181KShares$229,8500.0% of portfolio
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Aqr Capital Management LLC Greenwich, CT164KShares$208,5450.0% of portfolio
Latest Institutional Activity in IGMS
Top Purchases
Top Sells
About IGMS
IGM Biosciences, Inc., a biotechnology company, develops Immunoglobulin M (IgM) antibodies for the treatment of cancer, infectious diseases, and autoimmune and inflammatory diseases. The company's lead product candidate is IGM-2323, a bispecific IgM antibody that is in Phase 2 clinical trials to treat patients with relapsed/refractory B cell Non-Hodgkin's lymphoma (NHL). It is also developing IGM-8444, an IgM antibody, which is in Phase 1 clinical trials for the treatment of patients with solid cancers; and IGM-7354, an anti-PD-L1 IgM antibody for the treatment of patients with solid and hematologic malignancies; IGM-2644, a bispecific T cell engaging IgM antibody targeting CD38 and CD3 proteins for the treatment of patients with multiple myeloma; and IGM-2537, a bispecific T cell engaging IgM antibody targeting CD123 and CD3 proteins for the treatment of patients with acute myeloid leukemia, myelodysplastic syndromes, and acute lymphoblastic leukemia. It has a collaboration and license agreement with Genzyme Corporation to generate, develop, manufacture, and commercialize IgM antibodies. The company was formerly known as Palingen, Inc. and changed its name to IGM Biosciences, Inc. in 2010. IGM Biosciences, Inc. was incorporated in 1993 and is headquartered in Mountain View, California.
Insider Transactions at IGMS
Insider Transaction List
View allDate | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
---|---|---|---|---|---|
Aug 14
2025
|
Baker Bros. Advisors LP |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Indirect |
4,120,410
-100.0%
|
-
|
Aug 14
2025
|
Redmile Group, LLC Director |
SELL
Sale (or disposition) back to the issuer
|
Indirect |
2,964,843
-100.0%
|
-
|
Aug 14
2025
|
Julie Hambleton |
SELL
Sale (or disposition) back to the issuer
|
Direct |
2,000
-100.0%
|
-
|
Aug 14
2025
|
Michael Stewart Lee Director |
SELL
Sale (or disposition) back to the issuer
|
Direct |
12,712
-100.0%
|
-
|
Aug 14
2025
|
William Strohl |
SELL
Sale (or disposition) back to the issuer
|
Direct |
125,000
-100.0%
|
-
|
Aug 14
2025
|
Elizabeth H.Z. Thompson |
SELL
Sale (or disposition) back to the issuer
|
Direct |
7,196
-100.0%
|
-
|
Aug 14
2025
|
Christina Teng Topsoe |
SELL
Sale (or disposition) back to the issuer
|
Indirect |
10,410,364
-100.0%
|
-
|
Aug 14
2025
|
Christina Teng Topsoe |
SELL
Sale (or disposition) back to the issuer
|
Direct |
54,235
-100.0%
|
-
|
Aug 14
2025
|
Jakob Haldor Topsoe |
SELL
Sale (or disposition) back to the issuer
|
Indirect |
10,400,564
-100.0%
|
-
|
Aug 14
2025
|
Jakob Haldor Topsoe |
SELL
Sale (or disposition) back to the issuer
|
Direct |
91,712
-100.0%
|
-
|
Aug 14
2025
|
Topsoe Holding A/S |
SELL
Sale (or disposition) back to the issuer
|
Direct |
10,400,564
-100.0%
|
-
|
Aug 14
2025
|
Mary Beth Harler Chief Executive Officer |
SELL
Sale (or disposition) back to the issuer
|
Direct |
323,680
-100.0%
|
-
|
Aug 14
2025
|
M Kathleen Behrens |
SELL
Sale (or disposition) back to the issuer
|
Indirect |
390,313
-100.0%
|
-
|
Aug 14
2025
|
M Kathleen Behrens |
SELL
Sale (or disposition) back to the issuer
|
Direct |
22,222
-100.0%
|
-
|
Jul 23
2025
|
Lisa Lynn Decker CHIEF BUSINESS OFFICER |
SELL
Open market or private sale
|
Direct |
4,409
-6.07%
|
$4,409
$1.27 P/Share
|
Jul 23
2025
|
Mary Beth Harler Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
14,501
-4.29%
|
$14,501
$1.27 P/Share
|
Jul 23
2025
|
Misbah Tahir CHIEF FINANCIAL OFFICER |
SELL
Open market or private sale
|
Direct |
8,741
-4.89%
|
$8,741
$1.27 P/Share
|
Jun 30
2025
|
Jakob Haldor Topsoe |
BUY
Grant, award, or other acquisition
|
Direct |
828
+0.89%
|
-
|
Jun 30
2025
|
M Kathleen Behrens |
BUY
Grant, award, or other acquisition
|
Direct |
1,471
+6.21%
|
-
|
Jun 30
2025
|
Elizabeth H.Z. Thompson |
BUY
Grant, award, or other acquisition
|
Direct |
694
+8.8%
|
-
|
Last 12 Months Summary
Grant, award, or other acquisition | 307K shares |
---|
Sale (or disposition) back to the issuer | 35.2M shares |
---|---|
Disposition due to a tender of shares in a change of control transaction | 4.12M shares |
Open market or private sale | 72.3K shares |