Institutional Ownership Mersana Therapeutics, Inc. (MRSN)
This table provides information about the institutional ownership of Mersana Therapeutics, Inc. (MRSN). We have compiled data on the 121 institutions that hold shares in the stock, with a total of 116 Million shares, which have been reported (via 13F filing form) to have a value of $178 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Eco R1 Capital, LLC
San Francisco, CA |
Nov 14, 2024 Q3 2024 |
19,364,688
shares
|
$29.6 Million
1.59% of portfolio
|
Q3 2023
New holding
|
|
|
Nextech Invest Ag
|
Nov 14, 2024 Q3 2024 |
12,067,246
shares
|
$18.5 Million
3.72% of portfolio
|
Q3 2024
Added 26.68%
|
|
|
Vr Adviser, LLC
New York, NY |
Nov 14, 2024 Q3 2024 |
11,328,000
shares
|
$17.3 Million
2.22% of portfolio
|
Q3 2023
New holding
|
|
|
Bain Capital Life Sciences Investors, LLC
Boston, MA |
Nov 14, 2024 Q3 2024 |
8,663,673
shares
|
$13.3 Million
2.94% of portfolio
|
Q2 2022
Added 32.84%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
8,383,910
shares
|
$12.8 Million
0.0% of portfolio
|
Q2 2024
Added 3.56%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Nov 13, 2024 Q3 2024 |
7,177,458
shares
|
$11 Million
0.0% of portfolio
|
Q3 2024
Added 7.09%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2024 Q3 2024 |
4,411,555
shares
|
$6.75 Million
0.0% of portfolio
|
Q3 2024
Added 60.79%
|
|
|
Rock Springs Capital Management LP
Baltimore, MD |
Nov 14, 2024 Q3 2024 |
3,046,782
shares
|
$4.66 Million
0.2% of portfolio
|
Q4 2023
Reduced 10.47%
|
|
|
State Street Corp
Boston, MA |
Nov 14, 2024 Q3 2024 |
2,725,394
shares
|
$4.17 Million
0.0% of portfolio
|
Q3 2024
Added 1.62%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Nov 12, 2024 Q3 2024 |
2,413,215
shares
|
$3.69 Million
0.0% of portfolio
|
Q3 2024
Reduced 3.22%
|
|
|
Jpmorgan Chase & CO
New York, NY |
Nov 08, 2024 Q3 2024 |
2,351,359
shares
|
$3.6 Million
0.0% of portfolio
|
Q3 2024
Added 18.94%
|
|
|
Schonfeld Strategic Advisors LLC
New York, NY |
Nov 14, 2024 Q3 2024 |
2,223,308
shares
|
$3.4 Million
0.03% of portfolio
|
Q3 2024
Reduced 25.32%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2024 Q3 2024 |
1,959,236
shares
|
$3 Million
0.0% of portfolio
|
Q3 2024
Added 57.38%
|
|
|
Boxer Capital, LLC
San Diego, CA |
Nov 14, 2024 Q3 2024 |
1,817,000
shares
|
$2.78 Million
0.18% of portfolio
|
Q3 2024
New holding
|
|
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
Nov 13, 2024 Q3 2024 |
1,596,173
shares
|
$2.44 Million
0.0% of portfolio
|
Q3 2024
Added 1.28%
|
|
|
Silverarc Capital Management, LLC
|
Nov 14, 2024 Q3 2024 |
1,585,786
shares
|
$2.43 Million
0.75% of portfolio
|
Q3 2024
Reduced 36.58%
|
|
|
Morgan Stanley
New York, NY |
Nov 14, 2024 Q3 2024 |
1,364,216
shares
|
$2.09 Million
0.0% of portfolio
|
Q3 2024
Reduced 39.97%
|
|
|
5 Am Venture Management, LLC
San Francisco, CA |
Nov 14, 2024 Q3 2024 |
1,305,000
shares
|
$2 Million
0.98% of portfolio
|
Q2 2023
Added 10.13%
|
|
|
Verition Fund Management LLC
Greenwich, CT |
Nov 14, 2024 Q3 2024 |
1,303,249
shares
|
$1.99 Million
0.01% of portfolio
|
Q3 2024
Added 11695.18%
|
|
|
Acuta Capital Partners, LLC
Belmont, CA |
Nov 14, 2024 Q3 2024 |
1,200,000
shares
|
$1.84 Million
2.3% of portfolio
|
Q3 2024
Reduced 27.84%
|
|
|
Exome Asset Management LLC
New York, NY |
Nov 14, 2024 Q3 2024 |
1,178,570
shares
|
$1.8 Million
1.53% of portfolio
|
Q3 2024
New holding
|
|
|
Baker Bros. Advisors LP
New York, NY |
Nov 14, 2024 Q3 2024 |
1,086,115
shares
|
$1.66 Million
0.02% of portfolio
|
Q2 2023
Reduced 42.42%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Nov 14, 2024 Q3 2024 |
1,022,455
shares
|
$1.56 Million
0.0% of portfolio
|
Q3 2024
Reduced 30.24%
|
|
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
Nov 14, 2024 Q3 2024 |
993,046
shares
|
$1.52 Million
0.01% of portfolio
|
Q3 2024
Added 104.5%
|
|
|
Octagon Capital Advisors LP
New York, NY |
Nov 14, 2024 Q3 2024 |
992,000
shares
|
$1.52 Million
0.45% of portfolio
|
Q2 2024
Reduced 0.8%
|