IGM Biosciences Inc (IGMS) Ownership

1.71 ↑0.00 (0.00%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

Baker Bros Advisors LP is the biggest individual institutional holder of IGM Biosciences Inc (IGMS), owning a total of 4.1 million shares. Combined, the top 45 institutional holders of IGMS own 51.96% of the company with a total of 30.5 million shares.

In the latest ownership report on September 30th 2024, the top 45 institutional holders increased their combined ownership of IGMS by 3.2 million shares. 12 institutions bought 3,732,786 total additional shares and increased their ownership by an average of 9.91%. However 6 institutions sold 562,639 total shares and decreased their ownership by an average of 26.64%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of IGM Biosciences increased by a net total of 3,170,147 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Baker Bros Advisors LP	6.882%	0.049%	4,092,310	1,994	2024-09-30
T. Rowe Price Associates, Inc.	6.751%	-1.493%	4,014,259	-60,832	2024-09-30
Siren, L.L.C.	5.601%	0.000%	3,330,422	3,330,422	2024-09-30
Redmile Group, LLC	5.167%	0.000%	3,072,478	0	2024-09-30
Goldman Sachs Group Inc	2.118%	-5.599%	1,259,230	-74,683	2024-09-30
BlackRock Inc	1.513%	1.907%	899,921	16,840	2024-09-30
Vanguard Group Inc	1.497%	1.318%	890,200	11,579	2024-09-30
FMR Inc	1.378%	0.080%	819,529	656	2024-09-30
State Street Corp	0.790%	2.660%	469,790	12,174	2024-09-30
Geode Capital Management, LLC	0.666%	7.647%	395,799	28,118	2024-09-30
Amvescap Plc.	0.375%	0.000%	222,928	222,928	2024-09-30
Northern Trust Corp	0.322%	42.268%	191,673	56,946	2024-09-30
Rhenman Partners Asset Management AB	0.312%	-4.893%	185,459	-9,541	2024-09-30
TD Asset Management Inc	0.277%	0.000%	164,472	0	2024-09-30
Charles Schwab Investment Management Inc	0.250%	12.145%	148,402	16,072	2024-09-30
Millennium Management LLC	0.223%	-66.171%	132,342	-258,871	2024-09-30
Bruce & Co Inc	0.168%	0.000%	100,000	0	2024-09-30
Wellington Management Company LLP	0.165%	42.593%	98,339	29,374	2024-09-30
D. E. Shaw & Co LP	0.164%	-25.445%	97,716	-33,349	2024-09-30
Morgan Stanley - Brokerage Accounts	0.164%	-56.211%	97,659	-125,363	2024-09-30
Manufacturers Life Insurance Co	0.126%	8.245%	74,612	5,683	2024-09-30

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Baker Bros Advisors LP	6.882%	0.049%	4,092,310	1,994	2024-09-30
T. Rowe Price Associates, Inc.	6.751%	-1.493%	4,014,259	-60,832	2024-09-30
Artal Group S A	5.602%	8.116%	3,330,422	250,000	2024-06-30
Siren, L.L.C.	5.601%	0.000%	3,330,422	3,330,422	2024-09-30
Redmile Group, LLC	5.167%	0.000%	3,072,478	0	2024-09-30
Goldman Sachs Group Inc	2.118%	-5.599%	1,259,230	-74,683	2024-09-30
RA Capital Management, LLC	1.588%	0.000%	937,500	0	2024-03-31
BlackRock Inc	1.513%	1.907%	899,921	16,840	2024-09-30
Vanguard Group Inc	1.497%	1.318%	890,200	11,579	2024-09-30
FMR Inc	1.378%	0.080%	819,529	656	2024-09-30
Alkeon Capital Management, LLC	1.220%	-14.577%	711,777	-121,464	2023-03-31
Great Point Partners LLC	1.054%	23.063%	615,317	115,317	2023-09-30
T. Rowe Price Investment Management,Inc.	1.370%	0.000%	586,663	586,663	2022-09-30
UBS Asset Mgmt Americas Inc	0.831%	0.000%	485,027	0	2023-06-30
State Street Corp	0.790%	2.660%	469,790	12,174	2024-09-30
ExodusPoint Capital Management, LP	0.777%	0.000%	453,898	453,898	2023-09-30
Adage Capital Partners Gp LLC	0.680%	0.000%	400,000	400,000	2023-12-31
Geode Capital Management, LLC	0.666%	7.647%	395,799	28,118	2024-09-30
State Street Corporation	0.538%	3.838%	319,269	11,801	2024-03-31
Opaleye Management Inc	0.447%	311.024%	261,000	197,500	2023-09-30
Amvescap Plc.	0.375%	0.000%	222,928	222,928	2024-09-30
Northern Trust Corp	0.322%	42.268%	191,673	56,946	2024-09-30
Rhenman Partners Asset Management AB	0.312%	-4.893%	185,459	-9,541	2024-09-30
Candriam Luxembourg S.C.A.	0.300%	0.000%	175,008	0	2023-09-30
First Manhattan Co. LLC	0.295%	0.000%	172,200	172,200	2023-09-30
TD Asset Management Inc	0.277%	0.000%	164,472	0	2024-09-30
Samsara BioCapital, LLC	0.261%	0.000%	154,664	0	2024-06-30
Charles Schwab Investment Management Inc	0.250%	12.145%	148,402	16,072	2024-09-30
Exome Asset Management LLC	0.231%	0.000%	135,596	135,596	2023-12-31
Millennium Management LLC	0.223%	-66.171%	132,342	-258,871	2024-09-30
Point72 Asset Management, L.P.	0.222%	0.000%	129,740	129,740	2023-03-31
Hudson Bay Capital Management LP	0.211%	-50.000%	124,260	-124,260	2023-12-31
Renaissance Technologies Corp	0.183%	125.973%	108,693	60,593	2024-06-30
Marshall Wace Asset Management Ltd	0.180%	51.558%	107,267	36,491	2024-06-30
Bruce & Co Inc	0.168%	0.000%	100,000	0	2024-09-30
Wellington Management Company LLP	0.165%	42.593%	98,339	29,374	2024-09-30
D. E. Shaw & Co LP	0.164%	-25.445%	97,716	-33,349	2024-09-30
Morgan Stanley - Brokerage Accounts	0.164%	-56.211%	97,659	-125,363	2024-09-30
Dimensional Fund Advisors, Inc.	0.220%	107.965%	94,992	49,315	2023-03-31
Victory Capital Management Inc.	0.211%	12.119%	90,200	9,750	2022-12-31
Nuveen Asset Management, LLC	0.205%	232.004%	87,689	61,277	2022-06-30
Jacobs Levy Equity Management, Inc.	0.133%	39.730%	78,580	22,343	2024-03-31
Woodline Partners LP	0.126%	0.000%	75,000	0	2024-06-30
Manufacturers Life Insurance Co	0.126%	8.245%	74,612	5,683	2024-09-30
HRT FINANCIAL LLC	0.165%	22.705%	70,661	13,075	2022-06-30

Mutual Fund Ownership

US Small-Cap Growth II Equity Comp is the biggest individual fund holder of IGM Biosciences Inc (IGMS), owning a total of 2 million shares. Combined, the top 41 mutual fund holders of IGMS own 23.59% of the company with a total of 13.6 million shares.

In the latest ownership report on December 31st 2024, the top 41 fund holders increased their combined ownership of IGMS by 4 thousand shares. 1 funds bought 406 total additional shares and increased their ownership by an average of 0.18%. However 3 funds sold 4,319 total shares and decreased their ownership by an average of 0.69%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding IGM Biosciences decreased by a net total of -3,913 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Russell 2000 ETF	0.705%	-0.380%	419,337	-1,600	2024-12-31
Invesco Dorsey Wright SmallCap Momt ETF	0.377%	0.181%	224,305	406	2024-12-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.327%	-0.968%	194,389	-1,900	2024-12-31
iShares Russell 2000 Growth ETF	0.216%	0.000%	128,245	0	2024-12-31
iShares Biotechnology ETF	0.191%	-0.718%	113,329	-819	2024-12-31
Schwab US Small-Cap ETF™	0.156%	0.000%	92,933	0	2024-12-31

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
US Small-Cap Growth II Equity Comp	3.307%	-0.354%	1,966,446	-6,992	2024-09-30
T. Rowe Price New Horizons	3.305%	-0.065%	1,965,169	-1,277	2024-10-31
Fidelity® Select Biotechnology	2.892%	-8.034%	1,688,482	-147,500	2023-11-30
T. Rowe Price Health Sciences	1.522%	6.512%	905,087	55,333	2024-10-31
Fidelity Select Biotechnology	1.019%	-25.207%	605,814	-204,168	2024-11-30
Vanguard Total Stock Mkt Idx Inv	0.754%	-2.698%	448,609	-12,440	2024-11-30
iShares Russell 2000 ETF	0.705%	-0.380%	419,337	-1,600	2024-12-31
T. Rowe Price New Horizons Tr-Z	0.666%	3.336%	396,148	12,787	2024-09-30
T. Rowe Price Small-Cap Value	0.916%	-0.432%	392,244	-1,700	2022-09-30
UBS (Lux) EF Biotech (USD) P-acc	0.601%	0.000%	350,940	0	2023-05-31
Vanguard Instl Ttl Stck Mkt Idx Tr	0.568%	0.000%	331,533	0	2023-03-31
UBS: US Equity Small Cap Growth	0.500%	0.000%	291,926	0	2023-06-30
Vanguard Institutional Extnd Mkt Idx Tr	0.463%	6.866%	275,546	17,704	2024-11-30
USAA Science & Technology	0.567%	35.528%	244,846	64,185	2022-12-31
Invesco Dorsey Wright SmallCap Momt ETF	0.377%	0.181%	224,305	406	2024-12-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.327%	-0.968%	194,389	-1,900	2024-12-31
Rhenman Healthcare Equity L/S RC2 SEK	0.312%	0.000%	185,459	0	2024-09-30
T. Rowe Price U.S. SC Value Eq Tr-Z	0.428%	0.937%	183,089	1,700	2022-09-30
Candriam Global Equities Oncology	0.300%	0.000%	175,000	0	2023-09-30
Belfius Equities Cure C Cap	0.300%	0.000%	175,000	0	2023-09-30
Fidelity Small Cap Index	0.263%	1.014%	156,266	1,569	2024-10-31
TRP Integrated US Small-Cap Gr Eq	0.245%	0.000%	143,152	0	2023-09-30
T. Rowe Price QM US Small-Cap Gr Eq	0.332%	0.000%	143,152	0	2023-03-31
T. Rowe Price Integrated US SmCapGrEq	0.235%	-2.501%	139,572	-3,580	2024-09-30
T. Rowe Price Integrated US Sm Gr Eq	0.235%	0.000%	139,572	0	2024-10-31
iShares Russell 2000 Growth ETF	0.216%	0.000%	128,245	0	2024-12-31
iShares Russell 2000 Value ETF	0.215%	-0.132%	126,983	-168	2024-05-30
Vanguard Extended Market Index Investor	0.207%	0.000%	121,071	0	2023-08-31
Fidelity® Small Cap Index	0.197%	1.041%	114,947	1,184	2023-10-31
iShares Biotechnology ETF	0.191%	-0.718%	113,329	-819	2024-12-31
Fidelity Extended Market Index	0.183%	-0.655%	109,074	-719	2024-11-30
Bruce	0.168%	0.000%	100,000	0	2024-09-30
Fidelity® Extended Market Index	0.170%	23.135%	99,482	18,691	2023-11-30
Schwab US Small-Cap ETF™	0.156%	0.000%	92,933	0	2024-12-31
TD Health Sciences - I	0.138%	0.000%	82,236	0	2024-06-30
Vanguard Russell 2000 ETF	0.120%	2.771%	71,368	1,924	2024-11-30
AST T. Rowe Price Asset Allocation	0.118%	0.000%	70,074	0	2024-10-31
UBS Global Equity Biotech	0.130%	-0.298%	60,504	-181	2023-03-31
Vanguard Health Care ETF	0.095%	0.717%	55,621	396	2024-01-31
T. Rowe Price Health Sciences Port	0.078%	3.828%	46,165	1,702	2024-06-30
BlackRock Extended Mkt Composite	0.074%	80.592%	43,882	19,583	2023-09-30