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29 April 2026
CUSIP 57520Y106

MASON INDUSTRIAL TECHNOLGY I

106 institutions · $371.7M total · 45,086,108 shares

#ManagerSharesValue% of TotalPeriod
1ADAGE CAPITAL PARTNERS GP, L.L.C.3,037,500$30.4M6.73%2023-03-31
2MARSHALL WACE, LLP2,423,479$24.2M5.37%2023-03-31
3HSBC HOLDINGS PLC1,986,680$19.9M4.40%2023-03-31
4BANK OF MONTREAL /CAN/1,783,615$17.8M3.95%2023-03-31
5AQR Arbitrage LLC1,582,180$15.8M3.50%2023-03-31
6Hudson Bay Capital Management LP1,445,455$14.4M3.20%2023-03-31
7CSS LLC/IL1,396,077$14.0M3.09%2023-03-31
8JANE STREET GROUP, LLC1,358,135$13.6M3.01%2023-03-31
9Cohanzick Management, LLC1,225,311$12.2M2.71%2023-03-31
10Linden Advisors LP1,210,005$12.1M2.68%2023-03-31
11Balyasny Asset Management LLC1,132,500$11.3M2.51%2023-03-31
12FIR TREE CAPITAL MANAGEMENT LP1,072,500$10.7M2.37%2023-03-31
13Saba Capital Management, L.P.1,057,919$10.6M2.34%2023-03-31
14First Trust Capital Management L.P.999,727$10.0M2.21%2023-03-31
15Ghisallo Capital Management LLC862,308$8.6M1.91%2023-03-31
16D. E. Shaw & Co., Inc.814,923$8.1M1.80%2023-03-31
17Alpha Wave Global, LP765,406$7.7M1.69%2023-03-31
18MOORE CAPITAL MANAGEMENT, LP750,000$7.5M1.66%2023-03-31
19Periscope Capital Inc.735,700$7.4M1.63%2023-03-31
20CITADEL ADVISORS LLC695,146$6.9M1.54%2023-03-31
21Radcliffe Capital Management, L.P.693,802$6.9M1.53%2023-03-31
22STATE OF WISCONSIN INVESTMENT BOARD620,000$6.2M1.37%2023-03-31
23JANUS HENDERSON GROUP PLC603,196$6.0M1.33%2023-03-31
24DARK FOREST CAPITAL MANAGEMENT LP559,803$5.6M1.24%2023-03-31
25HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND470,000$4.7M1.04%2023-03-31
26UBS OCONNOR LLC469,898$4.7M1.04%2023-03-31
27Polar Asset Management Partners Inc.464,788$4.6M1.03%2023-03-31
28Woodline Partners LP445,000$4.4M0.98%2023-03-31
29Silver Rock Financial LP401,342$4.0M0.89%2023-03-31
30Calamos Advisors LLC400,000$4.0M0.88%2023-03-31
31LMR Partners LLP400,000$4.0M0.88%2023-03-31
32Alberta Investment Management Corp358,029$3.6M0.79%2023-03-31
33Arena Capital Advisors, LLC- CA330,127$3.3M0.73%2023-03-31
34BERKLEY W R CORP303,320$3.0M0.67%2023-03-31
35DEUTSCHE BANK AG\284,813$2.8M0.63%2023-03-31
36RiverPark Advisors, LLC277,191$2.8M0.61%2023-03-31
37K2 PRINCIPAL FUND, L.P.259,220$2.6M0.57%2023-03-31
38DUPONT CAPITAL MANAGEMENT CORP249,996$2.5M0.55%2023-03-31
39SUSQUEHANNA INTERNATIONAL GROUP, LLP225,925$2.3M0.50%2023-03-31
40TENOR CAPITAL MANAGEMENT Co., L.P.198,700$2.0M0.44%2023-03-31
41WHITEBOX ADVISORS LLC161,211$1.6M0.35%2023-03-31
42Segantii Capital Management Ltd150,000$1.5M0.33%2023-03-31
43CAPSTONE INVESTMENT ADVISORS, LLC150,000$1.5M0.33%2023-03-31
44SOROS FUND MANAGEMENT LLC142,117$1.4M0.31%2023-03-31
45GOLDMAN SACHS GROUP INC119,648$1.2M0.26%2024-03-31
46Walleye Capital LLC117,514$1.2M0.26%2023-03-31
47Cowen Investment Management LLC112,500$1.1M0.24%2023-03-31
48Bulldog Investors, LLP107,741$1.1M0.23%2023-03-31
49COWEN AND COMPANY, LLC100,700$1.0M0.22%2023-03-31
50Atlas Merchant Capital LLC100,000$999.5K0.22%2023-03-31
51Crystalline Management Inc.100,000$999.5K0.22%2023-03-31
52BANK OF AMERICA CORP /DE/99,999$999.5K0.22%2023-03-31
53BlackRock Inc.97,500$974.5K0.21%2023-03-31
54WOLVERINE ASSET MANAGEMENT LLC92,950$929.0K0.20%2023-03-31
55BOOTHBAY FUND MANAGEMENT, LLC91,832$917.9K0.20%2023-03-31
56Crestline Management, LP90,000$899.5K0.19%2023-03-31
57TWO SIGMA INVESTMENTS, LP80,000$799.6K0.17%2023-03-31
58Walleye Trading LLC79,603$795.6K0.17%2023-03-31
59DELTEC ASSET MANAGEMENT LLC75,000$749.6K0.16%2023-03-31
60Sandia Investment Management LP73,366$733.3K0.16%2023-03-31
61CAAS CAPITAL MANAGEMENT LP71,600$715.6K0.15%2023-03-31
62Schonfeld Strategic Advisors LLC65,000$649.7K0.14%2023-03-31
63SONA ASSET MANAGEMENT (US) LLC50,000$499.8K0.11%2023-03-31
64Paloma Partners Management Co50,000$499.8K0.11%2023-03-31
65Ergoteles LLC49,369$493.4K0.10%2023-03-31
66GAM Holding AG48,894$488.7K0.10%2023-03-31
67METEORA CAPITAL, LLC48,879$488.5K0.10%2023-03-31
68PEAK6 Investments LLC44,397$443.7K0.09%2023-06-30
69Karpus Management, Inc.43,529$435.1K0.09%2023-03-31
70Robinson Capital Management, LLC36,700$367.0K0.08%2023-03-31
71Clear Harbor Asset Management, LLC30,776$307.6K0.06%2023-03-31
72Terrapin Asset Management, LLC29,800$297.9K0.06%2023-03-31
73SILVERBACK ASSET MANAGEMENT LLC25,000$249.9K0.05%2023-03-31
74Tuttle Capital Management, LLC20,298$202.9K0.04%2023-03-31
75Flow State Investments, L.P.18,131$181.2K0.04%2023-03-31
76CAPTRUST FINANCIAL ADVISORS13,778$137.7K0.03%2023-03-31
77XTX Topco Ltd13,642$136.4K0.03%2023-03-31
78Wealthspring Capital LLC12,500$124.9K0.02%2023-03-31
79Schechter Investment Advisors, LLC10,001$100.0K0.02%2023-03-31
80Royal Bank of Canada4,000$40.0K0.00%2023-03-31
81Elequin Securities, LLC3,553$35.5K0.00%2023-03-31
82MILLENNIUM MANAGEMENT LLC2,499,931$25.0K5.54%2023-03-31
83NOMURA HOLDINGS INC1,788,180$17.9K3.96%2023-03-31
84UBS Group AG1,393$13.9K0.00%2023-03-31
85Magnetar Financial LLC1,167,687$11.7K2.58%2023-03-31
86OLD MISSION CAPITAL LLC848$8.5K0.00%2023-03-31
87KIM, LLC503,332$5.0K1.11%2023-03-31
88HGC Investment Management Inc.502,099$5.0K1.11%2023-03-31
89Oribel Capital Management, LP408,414$4.1K0.90%2023-03-31
90PICTON MAHONEY ASSET MANAGEMENT299,997$3.0K0.66%2023-03-31
91Spartan Fund Management Inc.300,000$3.0K0.66%2023-03-31
92BARDIN HILL MANAGEMENT PARTNERS LP72,982$7290.16%2023-03-31
93COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS49,998$5000.11%2023-03-31
94Context Capital Management, LLC50,000$5000.11%2023-03-31
95TEGEAN CAPITAL MANAGEMENT, LLC50,000$4890.11%2023-12-31
96Virtu Financial LLC47,963$4790.10%2023-03-31
97Kepos Capital LP35,000$3500.07%2023-03-31
98PenderFund Capital Management Ltd.25,180$3410.05%2023-03-31
99CANTOR FITZGERALD, L. P.28,456$2840.06%2023-03-31
100Toroso Investments, LLC24,700$2470.05%2023-03-31
101MARINER INVESTMENT GROUP LLC18,589$1860.04%2023-03-31
102HRT FINANCIAL LP15,608$1560.03%2023-03-31
103FLOW TRADERS U.S. LLC14,213$1420.03%2023-03-31
104Tower Research Capital LLC (TRC)194$20.00%2023-03-31
105GLAZER CAPITAL, LLC100$10.00%2023-03-31
106CONCOURSE FINANCIAL GROUP SECURITIES, INC.0$00.00%2025-06-30