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Ownership Breakdown Mersana Therapeutics Inc. MRSN

Mersana Therapeutics Inc is a clinical stage biopharmaceutical company using its differentiated and proprietary ADC platforms to develop targeted drugs with increased tolerability and expanded opportunities to deliver meaningful clinical benefit to patients. Mersana's product candidate, XMT-1536, is in a Phase 1 clinical trial in patients with tumors expressing NaPi2b, including ovarian cancer, NSCLC, and other cancers. In addition, multiple partners are using Mersana's platform to advance...


Top institutional share ownership of Mersana Therapeutics Inc

Name Shares Shares % change Value Value % change
Orbimed Advisors Llc 9,011,437 88.2% $41,633 117.9%
BlackRock Inc. 8,881,019 16.5% $41,030 34.9%
Bain Capital Life Sciences Investors, LLC 8,663,673 32.8% $40,026 53.8%
Avoro Capital Advisors LLC 7,550,000 11.0% $34,881 28.6%
Vanguard Group Inc 4,733,731 37.8% $21,871 59.6%
Millennium Management Llc 4,382,701 -10.3% $20,248 3.9%
Sarissa Capital Management LP 4,299,297 0.0% $19,863 15.8%
Rock Springs Capital Management LP 4,075,958 8.5% $18,831 25.7%
Bellevue Group AG 3,895,200 -1.5% $17,996 14.1%
Woodline Partners LP 3,161,576 $14,606

Top institutional buyers of Mersana Therapeutics Inc

Name Shares % change Value % change Shares Value
Orbimed Advisors Llc 88.2% 117.9% 9,011,437 $41,633
VEXMX - Vanguard Extended Market Index Fund Investor Shares 77.8% 105.9% 1,642,466 $7,588
VTSMX - Vanguard Total Stock Market Index Fund Investor Shares 48.5% 71.9% 2,573,923 $11,892
Opaleye Management Inc. 47.5% 70.7% 1,047,000 $4,837
Vanguard Group Inc 37.8% 59.6% 4,733,731 $21,871
Geode Capital Management, Llc 34.7% 56.0% 1,571,940 $7,262
Bain Capital Life Sciences Investors, LLC 32.8% 53.8% 8,663,673 $40,026
IWM - iShares Russell 2000 ETF 20.8% 39.9% 1,973,052 $9,116
State Street Corp 19.8% 38.8% 1,620,330 $7,486
BlackRock Inc. 16.5% 34.9% 8,881,019 $41,030

Top institutional sellers of Mersana Therapeutics Inc

Name Shares % change Value % change Shares Value
Morgan Stanley -27.5% -16.1% 1,573,704 $7,270
Two Sigma Advisers, Lp -19.5% -6.8% 1,086,700 $5,021
Millennium Management Llc -10.3% 3.9% 4,382,701 $20,248
D. E. Shaw & Co., Inc. -5.4% 9.5% 1,977,930 $9,138
Deutsche Bank Ag\ -2.7% 12.7% 1,124,715 $5,196
Bellevue Group AG -1.5% 14.1% 3,895,200 $17,996

Information provided by Fintel.io