IGM Biosciences, Inc.

NasdaqGS:IGMS Stock Report

Market Cap: US$528.6m

IGM Biosciences Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:IGMS Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
13 Sep 24SellUS$17,158Mary HarlerIndividual1,487US$11.54
13 Sep 24SellUS$10,673Lisa DeckerIndividual925US$11.54
13 Sep 24SellUS$45,532Fred SchwarzerIndividual3,946US$11.54
13 Sep 24SellUS$17,158Chris TakimotoIndividual1,487US$11.54
13 Sep 24SellUS$17,158Bruce KeytIndividual1,487US$11.54
13 Sep 24SellUS$17,158Misbah TahirIndividual1,487US$11.54
13 Sep 24SellUS$5,412Steven WeberIndividual469US$11.54
14 Jun 24SellUS$11,893Mary HarlerIndividual1,570US$7.58
14 Jun 24SellUS$11,893Chris TakimotoIndividual1,570US$7.58
14 Jun 24SellUS$3,750Steven WeberIndividual495US$7.58
14 Jun 24SellUS$7,401Lisa DeckerIndividual977US$7.58
14 Jun 24SellUS$8,378Bruce KeytIndividual1,106US$7.58
14 Jun 24SellUS$31,544Fred SchwarzerIndividual4,164US$7.58
14 Jun 24SellUS$11,893Misbah TahirIndividual1,570US$7.58
28 Mar 24BuyUS$3,425,569Baker Bros. Advisors LPCompany395,317US$9.62
14 Mar 24SellUS$33,805Lisa DeckerIndividual3,376US$10.17
14 Mar 24SellUS$39,502Bruce KeytIndividual3,945US$10.17
14 Mar 24SellUS$89,588Fred SchwarzerIndividual8,947US$10.17
14 Mar 24SellUS$54,472Misbah TahirIndividual5,440US$10.17
14 Mar 24SellUS$54,312Chris TakimotoIndividual5,424US$10.17
14 Mar 24SellUS$9,943Steven WeberIndividual993US$10.17
15 Dec 23BuyUS$3,431,464Baker Bros. Advisors LPCompany532,693US$6.60
13 Dec 23SellUS$25,245Lisa DeckerIndividual4,369US$5.78
13 Dec 23SellUS$43,764Bruce KeytIndividual7,574US$5.78
13 Dec 23SellUS$101,558Fred SchwarzerIndividual17,576US$5.78
29 Nov 23SellUS$7,331Lisa DeckerIndividual1,180US$6.21
29 Nov 23SellUS$7,331George GauthierIndividual1,180US$6.21
29 Nov 23SellUS$7,331Chris TakimotoIndividual1,180US$6.21
27 Nov 23SellUS$4,720Bruce KeytIndividual933US$5.06
27 Nov 23SellUS$6,764Fred SchwarzerIndividual1,337US$5.06
27 Nov 23SellUS$6,764Misbah TahirIndividual1,337US$5.06

Insider Trading Volume

Insider Buying: IGMS insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of IGMS?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,480,9892.49%
General Public2,986,4045.02%
VC/PE Firms3,330,4225.6%
Institutions11,136,47018.7%
Private Companies15,444,85926%
Hedge Funds25,085,03742.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 92.72% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
26%
Topsøe Holding A/S
15,444,859US$137.3m0%no data
24.9%
Baker Bros. Advisors LP
14,813,234US$131.7m0.01%1.2%
17.3%
Redmile Group, LLC
10,271,803US$91.3m0%4.92%
6.75%
T. Rowe Price Group, Inc.
4,014,259US$35.7m-1.49%no data
5.6%
Artal Group S.A.
3,330,422US$29.6m0%0.76%
2.09%
Goldman Sachs Group, Investment Banking and Securities Investments
1,245,460US$11.1m-5.72%0.01%
1.51%
BlackRock, Inc.
899,921US$8.0m1.91%no data
1.5%
The Vanguard Group, Inc.
890,200US$7.9m1.32%no data
1.38%
FMR LLC
819,286US$7.3m0.05%no data
0.79%
State Street Global Advisors, Inc.
469,790US$4.2m2.66%no data
0.68%
M. Behrens
406,515US$3.6m0.76%no data
0.67%
Geode Capital Management, LLC
395,799US$3.5m7.65%no data
0.59%
Mary Harler
348,740US$3.1m113%no data
0.42%
Fred Schwarzer
250,228US$2.2m1.51%no data
0.37%
Invesco Capital Management LLC
219,409US$2.0m6,540%no data
0.32%
Northern Trust Global Investments
191,673US$1.7m42.3%no data
0.31%
Rhenman & Partners Asset Management AB
185,459US$1.6m-4.89%0.11%
0.28%
TD Asset Management, Inc.
164,472US$1.5m0%no data
0.25%
Charles Schwab Investment Management, Inc.
148,402US$1.3m12.2%no data
0.22%
Millennium Management LLC
132,342US$1.2m-66.2%no data
0.18%
Bruce Keyt
109,896US$977.0k1.29%no data
0.17%
Bruce & Co Inc
100,000US$889.0k0%0.27%
0.17%
Wellington Management Group LLP
98,339US$874.3k42.6%no data
0.16%
D. E. Shaw & Co., L.P.
97,716US$868.7k-25.4%no data
0.15%
Jakob Topsoe
88,322US$785.2k2%no data