The company may no longer be operating, as it may be out of business. Find out why through their latest events.

Magenta Therapeutics Ownership

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

Recent Insider Transactions

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 3.3%.

Top 25 shareholders own 56.4% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10%	Tang Capital Management, LLC	6,060,000	US$4.2m	0.17%	0.69%
8.28%	Nantahala Capital Management, LLC	5,000,000	US$3.5m	0%	0.49%
6.28%	Bruce Booth	3,791,698	US$2.7m	0%	no data
6.28%	Atlas Venture L.P.	3,791,698	US$2.7m	0%	0.47%
5.56%	Citadel Advisors LLC	3,360,001	US$2.4m	38,000%	no data
5.53%	GV Management Company, LLC	3,339,138	US$2.3m	0%	0.22%
3.26%	The Vanguard Group, Inc.	1,968,421	US$1.4m	0%	no data
1.56%	Jason Gardner	944,954	US$661.1k	0%	no data
0.96%	Laurion Capital Management LP	582,300	US$407.4k	0%	0.02%
0.91%	Octagon Capital Advisors LP	550,000	US$384.8k	0%	0.07%
0.8%	Renaissance Technologies LLC	481,700	US$337.0k	22.5%	no data
0.76%	Acadian Asset Management LLC	457,690	US$320.2k	-25.5%	no data
0.73%	Hellman, Jordan Management Company, Inc.	441,125	US$308.6k	0%	0.48%
0.71%	Gilder Gagnon Howe & Co. LLC	425,858	US$297.9k	0%	no data
0.63%	Verition Fund Management LLC	378,272	US$264.6k	-82.8%	0.01%
0.6%	BlackRock, Inc.	364,168	US$254.8k	-21.9%	no data
0.59%	Geode Capital Management, LLC	357,690	US$250.2k	0%	no data
0.55%	Harvard Management Company, Inc.	332,610	US$232.7k	0%	0.02%
0.42%	RBF Capital LLC	250,822	US$175.5k	0%	0.01%
0.39%	Bessemer Investment Management LLC	237,292	US$166.0k	0%	no data
0.38%	David Scadden	228,175	US$159.6k	0%	no data
0.32%	PMG Fonds Management AG	193,500	US$135.4k	0%	0.05%
0.29%	Two Sigma Advisers, LP	177,400	US$124.1k	15.2%	no data
0.29%	Citadel Securities, LLC, Asset Management Arm	172,122	US$120.4k	0%	0.36%
0.28%	Harbor Capital Advisors, Inc.	167,454	US$117.1k	10.1%	0.03%