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29 April 2026
CUSIP 55910K108

MAGENTA THERAPEUTICS INC

76 institutions · $32.9M total · 54,153,726 shares

#ManagerSharesValue% of TotalPeriod
1TANG CAPITAL MANAGEMENT LLC6,060,000$4.6M11.19%2023-09-30
2Nantahala Capital Management, LLC5,000,000$3.8M9.23%2023-09-30
3Lion Point Capital, LP4,558,466$3.6M8.41%2023-06-30
4Atlas Venture Life Science Advisors, LLC3,791,698$2.9M7.00%2023-09-30
5TRV GP IV, LLC6,758,204$2.7M12.47%2023-03-31
6CITADEL ADVISORS LLC3,360,001$2.5M6.20%2023-09-30
7Alphabet Inc.3,339,138$2.5M6.16%2023-09-30
8VANGUARD GROUP INC1,955,378$1.6M3.61%2023-09-30
9Eversept Partners, LP198,879$1.4M0.36%2023-12-31
10Deep Track Capital, LP3,000,000$1.2M5.53%2023-03-31
11Western Standard LLC1,439,374$1.1M2.65%2023-06-30
12TCW GROUP INC750,000$596.0K1.38%2023-06-30
13Laurion Capital Management LP582,300$441.4K1.07%2023-09-30
14Octagon Capital Advisors LP550,000$416.9K1.01%2023-09-30
15ADAGE CAPITAL PARTNERS GP, L.L.C.868,650$343.1K1.60%2023-03-31
16Verition Fund Management LLC378,272$286.7K0.69%2023-09-30
17GEODE CAPITAL MANAGEMENT, LLC357,690$271.1K0.66%2023-09-30
18BlackRock Inc.342,464$259.6K0.63%2023-09-30
19BIT Capital GmbH171,729$230.1K0.31%2024-12-31
20RBF Capital, LLC250,822$190.1K0.46%2023-09-30
21Integral Health Asset Management, LLC416,000$164.3K0.76%2023-03-31
22MetLife Investment Management, LLC10,252$155.4K0.01%2023-09-30
23Bleichroeder LP346,631$136.9K0.64%2023-03-31
24TWO SIGMA ADVISERS, LP177,400$134.5K0.32%2023-09-30
25HARBOR CAPITAL ADVISORS, INC.167,454$126.9K0.30%2023-09-30
26MARSHALL WACE, LLP157,670$124.6K0.29%2023-06-30
27BRIDGEWAY CAPITAL MANAGEMENT, LLC152,700$121.4K0.28%2023-06-30
28CREDIT SUISSE AG/149,300$113.2K0.27%2023-09-30
29Metropolitan Life Insurance Co/NY7,249$109.9K0.01%2023-09-30
30STATE STREET CORP139,207$105.5K0.25%2023-09-30
31TWO SIGMA INVESTMENTS, LP120,269$91.2K0.22%2023-09-30
32SUSQUEHANNA INTERNATIONAL GROUP, LLP103,302$78.3K0.19%2023-09-30
33CORSAIR CAPITAL MANAGEMENT, L.P.100,000$75.8K0.18%2023-09-30
34NORTHERN TRUST CORP71,463$54.2K0.13%2023-09-30
35Bank of New York Mellon Corp60,404$45.8K0.11%2023-09-30
36Cheyne Capital Management (UK) LLP47,170$35.8K0.08%2023-09-30
37Connor, Clark & Lunn Investment Management Ltd.75,806$29.9K0.13%2023-03-31
38FIDUCIARY TRUST CO30,555$23.2K0.05%2023-09-30
39CHARLES SCHWAB INVESTMENT MANAGEMENT INC27,369$20.7K0.05%2023-09-30
40BANK OF AMERICA CORP /DE/27,117$20.6K0.05%2023-09-30
41XTX Topco Ltd26,932$20.4K0.04%2023-09-30
42BREWIN DOLPHIN WEALTH MANAGEMENT LTD1,300$15.4K0.00%2023-12-31
43GOLDMAN SACHS GROUP INC38,059$15.0K0.07%2024-03-31
44Engineers Gate Manager LP34,090$13.5K0.06%2023-03-31
45MORGAN STANLEY16,116$12.2K0.02%2023-09-30
46B. Riley Wealth Advisors, Inc.13,800$11.0K0.02%2023-06-30
47Tower Research Capital LLC (TRC)12,190$9.2K0.02%2023-09-30
48Ergoteles LLC21,800$8.6K0.04%2023-03-31
49UBS Group AG11,177$8.5K0.02%2023-09-30
50Sound View Wealth Advisors Group, LLC10,500$8.0K0.01%2023-09-30
51Rathbones Group Plc10,000$7.6K0.01%2023-09-30
52StoneX Group Inc.12,237$4.8K0.02%2025-06-30
53JANUS HENDERSON GROUP PLC3,308,899$4.7K6.11%2023-03-31
54Belpointe Asset Management LLC5,500$4.4K0.01%2023-06-30
55BNP PARIBAS ARBITRAGE, SNC4,474$3.4K0.00%2023-09-30
56Royal Bank of Canada4,072$3.0K0.00%2023-09-30
57MILLENNIUM MANAGEMENT LLC2,313,552$9144.27%2023-03-31
58UMB Bank, n.a.742$5620.00%2023-09-30
59JPMORGAN CHASE & CO703$5330.00%2023-09-30
60RENAISSANCE TECHNOLOGIES LLC481,700$3650.88%2023-09-30
61ACADIAN ASSET MANAGEMENT LLC457,690$3460.84%2023-09-30
62WELLS FARGO & COMPANY/MN456$3460.00%2023-09-30
63CITIGROUP INC737$2910.00%2023-03-31
64Allworth Financial LP375$2850.00%2023-09-30
65HARVARD MANAGEMENT CO INC332,610$2520.61%2023-09-30
66FMR LLC254$2020.00%2023-09-30
67BESSEMER GROUP INC237,277$1800.43%2023-09-30
68HELLMAN JORDAN MANAGEMENT CO INC /MA/441,125$1740.81%2023-03-31
69Thrivent Financial for Lutherans129,395$470.23%2023-03-31
70DIMENSIONAL FUND ADVISORS LP114,739$450.21%2023-03-31
71INSTITUTIONAL & FAMILY ASSET MANAGEMENT, LLC50$380.00%2023-09-30
72Virtu Financial LLC10,724$90.01%2023-06-30
73Values First Advisors, Inc.0$00.00%2023-06-30
74SIMPLEX TRADING, LLC16$00.00%2023-09-30
75CONCOURSE FINANCIAL GROUP SECURITIES, INC.0$00.00%2023-09-30
76BARCLAYS PLC52$00.00%2023-09-30