Purchases and Sales Made in Q3 2021 in Mersana Therapeutics, Inc. (MRSN)
This table provides information about the institutional ownership of Mersana Therapeutics, Inc. (MRSN) during Q3 2021. The information is specifically focused on institutions that hold shares of Mersana Therapeutics, Inc..
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 12, 2021
Q3 2021
|
Pictet Asset Management Sa
Geneva 73, V8 |
BUY
|
- |
2.24MNew |
$19.2M - $32.4M
|
2.24M
$4.97M
|
|
|
Nov 12, 2021
Q3 2021
|
Bellevue Group Ag
Kuesnacht, V8 |
BUY
|
- |
1.32M+ 44.88% |
$11.3M - $19.1M
|
4.26M
$9.46M
|
|
|
Nov 10, 2021
Q3 2021
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
1.15MNew |
$9.8M - $16.6M
|
1.15M
$2.54M
|
|
|
Nov 15, 2021
Q3 2021
|
State Street Corp
Boston, MA |
BUY
|
- |
844K+ 25.99% |
$7.22M - $12.2M
|
4.09M
$9.08M
|
|
|
Nov 15, 2021
Q3 2021
|
Morgan Stanley
New York, NY |
BUY
|
- |
668KNew |
$5.72M - $9.66M
|
668K
$1.48M
|
|
|
Nov 12, 2021
Q3 2021
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
500K+ 15.72% |
$4.28M - $7.24M
|
3.68M
$8.17M
|
|
|
Nov 15, 2021
Q3 2021
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
365K+ 1838.7% |
$3.12M - $5.28M
|
385K
$854K
|
|
|
Nov 15, 2021
Q3 2021
|
Sarissa Capital Management LP
Greenwich, CT |
BUY
|
- |
294K+ 7.33% |
$2.51M - $4.25M
|
4.3M
$9.54M
|
|
|
Nov 15, 2021
Q3 2021
|
First Manhattan CO
New York, NY |
BUY
|
- |
218KNew |
$1.87M - $3.16M
|
218K
$484K
|
|
|
Nov 15, 2021
Q3 2021
|
Rock Springs Capital Management LP
Baltimore, MD |
BUY
|
- |
175K+ 6.15% |
$1.5M - $2.53M
|
3.02M
$6.71M
|
|
|
Nov 10, 2021
Q3 2021
|
Citigroup Inc
|
BUY
|
- |
113KNew |
$970K - $1.64M
|
113K
$252K
|
|
|
Nov 15, 2021
Q3 2021
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
- |
105K+ 150.0% |
$899K - $1.52M
|
175K
$389K
|
|
|
Nov 15, 2021
Q3 2021
|
Voloridge Investment Management, LLC
Jupiter, FL |
BUY
|
- |
96.5KNew |
$826K - $1.4M
|
96.5K
$214K
|
|
|
Nov 15, 2021
Q3 2021
|
Orbimed Advisors LLC
San Diego, CA |
BUY
|
- |
88.6K+ 3.16% |
$758K - $1.28M
|
2.89M
$6.41M
|
|
|
Nov 15, 2021
Q3 2021
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
- |
80.5K+ 207.36% |
$689K - $1.16M
|
119K
$265K
|
|
|
Nov 16, 2021
Q3 2021
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
69.8K+ 16.93% |
$598K - $1.01M
|
482K
$1.07M
|
|
|
Nov 15, 2021
Q3 2021
|
Ubs Group Ag
|
BUY
|
- |
64.8K+ 276.48% |
$555K - $938K
|
88.2K
$196K
|
|
|
Nov 15, 2021
Q3 2021
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
62.4K+ 10.99% |
$534K - $903K
|
630K
$1.4M
|
|
|
Nov 09, 2021
Q3 2021
|
Candriam S.C.A.
|
BUY
|
- |
50K+ 2.53% |
$428K - $724K
|
2.02M
$4.49M
|
|
|
Nov 10, 2021
Q3 2021
|
Rafferty Asset Management, LLC
New York, NY |
BUY
|
- |
44.6K+ 37.93% |
$381K - $645K
|
162K
$360K
|
|
|
Nov 01, 2021
Q3 2021
|
Sg Americas Securities, LLC
|
BUY
|
- |
36.7KNew |
$314K - $531K
|
36.7K
$81.5K
|
|
|
Nov 12, 2021
Q3 2021
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
31.5KNew |
$270K - $456K
|
31.5K
$70K
|
|
|
Nov 15, 2021
Q3 2021
|
Pdt Partners, LLC
New York, NY |
BUY
|
- |
30.5KNew |
$261K - $441K
|
30.5K
$67.7K
|
|
|
Nov 15, 2021
Q3 2021
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
22.2K+ 40.11% |
$190K - $321K
|
77.4K
$172K
|
|
|
Nov 12, 2021
Q3 2021
|
Bank Of New York Mellon Corp
New York, NY |
BUY
|
- |
21.8K+ 8.76% |
$187K - $316K
|
271K
$601K
|
|
|
Mar 09, 2022
Q3 2021
|
Alpha Centric Advisors LLC
San Juan, PR |
BUY
|
- |
20K+ 43.96% |
$171K - $289K
|
65.5K
$145K
|
|
|
Nov 12, 2021
Q3 2021
|
Virtu Financial LLC
New York, NY |
BUY
|
- |
18.8KNew |
$161K - $272K
|
18.8K
$41.7K
|
|
|
Nov 15, 2021
Q3 2021
|
Algert Global LLC
San Francisco, CA |
BUY
|
- |
17.9KNew |
$153K - $259K
|
17.9K
$39.7K
|
|
|
Nov 12, 2021
Q3 2021
|
Nuveen Asset Management, LLC
Chicago, IL |
BUY
|
- |
16.2K+ 6.25% |
$139K - $235K
|
276K
$613K
|
|
|
Nov 15, 2021
Q3 2021
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
14.3K+ 2.1% |
$123K - $207K
|
697K
$1.55M
|
|
|
Nov 12, 2021
Q3 2021
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
12.4K+ 1.18% |
$106K - $180K
|
1.06M
$2.36M
|
|
|
Nov 15, 2021
Q3 2021
|
Dafna Capital Management LLC
Los Angeles, CA |
BUY
|
- |
12K+ 9.36% |
$103K - $174K
|
140K
$311K
|
|
|
Nov 15, 2021
Q3 2021
|
Fox Run Management, L.L.C.
Greenwich, CT |
BUY
|
- |
11.8KNew |
$101K - $170K
|
11.8K
$26.1K
|
|
|
Nov 12, 2021
Q3 2021
|
Dimensional Fund Advisors LP
Austin, TX |
BUY
|
- |
11.5K+ 6.54% |
$98.5K - $167K
|
188K
$416K
|
|
|
Nov 10, 2021
Q3 2021
|
Teachers Retirement System Of The State Of Kentucky
Frankfort, KY |
BUY
|
- |
11.1K+ 30.24% |
$95.4K - $161K
|
48K
$107K
|
|
|
Nov 15, 2021
Q3 2021
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
11.1K+ 79.31% |
$95.1K - $161K
|
25.1K
$55.8K
|
|
|
Jun 21, 2023
Q3 2021
|
Metropolitan Life Insurance CO
New York, NY |
BUY
|
- |
11.1K+ 284.96% |
$94.7K - $160K
|
15K
$33.2K
|
|
|
Nov 15, 2021
Q3 2021
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
8.52K+ 21.25% |
$72.9K - $123K
|
48.6K
$108K
|
|
|
Nov 15, 2021
Q3 2021
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
- |
8.45K+ 55.59% |
$72.3K - $122K
|
23.7K
$52.5K
|
|
|
Nov 15, 2021
Q3 2021
|
Boothbay Fund Management, LLC
New York, NY |
BUY
|
- |
6.69K+ 41.65% |
$57.3K - $96.8K
|
22.8K
$50.5K
|
|
|
Nov 15, 2021
Q3 2021
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
5.31K+ 10207.69% |
$45.4K - $76.8K
|
5.36K
$11.9K
|
|
|
Nov 12, 2021
Q3 2021
|
Macquarie Group LTD
Australia, C3 |
BUY
|
- |
5.27K+ 3.48% |
$45.1K - $76.2K
|
157K
$348K
|
|
|
Nov 15, 2021
Q3 2021
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
5.17K+ 19.1% |
$44.2K - $74.8K
|
32.2K
$71.5K
|
|
|
Nov 12, 2021
Q3 2021
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
3.85KNew |
$32.9K - $55.7K
|
3.85K
$8.54K
|
|
|
Nov 15, 2021
Q3 2021
|
Tower Research Capital LLC (Trc)
New York, NY |
BUY
|
- |
2.87K+ 49.24% |
$24.6K - $41.5K
|
8.69K
$19.3K
|
|
|
Nov 12, 2021
Q3 2021
|
Rhumbline Advisers
Boston, MA |
BUY
|
- |
2.41K+ 3.0% |
$20.6K - $34.9K
|
82.7K
$184K
|
|
|
Nov 15, 2021
Q3 2021
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
2.23K+ 47.21% |
$19.1K - $32.2K
|
6.94K
$15.4K
|
|
|
Nov 08, 2021
Q3 2021
|
Swiss National Bank
Zurich, V8 |
BUY
|
- |
2.2K+ 1.82% |
$18.8K - $31.8K
|
123K
$273K
|
|
|
Nov 12, 2021
Q3 2021
|
American International Group, Inc.
New York, NY |
BUY
|
- |
584+ 1.51% |
$5K - $8.45K
|
39.2K
$87K
|
|
|
Nov 09, 2021
Q3 2021
|
Cibc Asset Management Inc
Toronto, A6 |
BUY
|
- |
292+ 0.03% |
$2.5K - $4.23K
|
1.06M
$2.35M
|