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 |
|---|---|---|---|---|---|---|---|
|
Jun 21, 2023
Q3 2021
|
Met Life Investment Management, LLC
Whippany, NJ |
SELL
|
- |
-29.3K- 62.76% |
$251K - $424K
|
17.4K
$6.6K
|
|
|
Nov 12, 2021
Q3 2021
|
Cowen And Company, LLC
|
SELL
|
- |
-29.4KClosed |
$252K - $425K
|
0
$0
|
|
|
Nov 10, 2021
Q3 2021
|
Skandinaviska Enskilda Banken Ab (Publ)
Stockholm, V7 |
SELL
|
- |
-30.3KClosed |
$259K - $438K
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
Squarepoint Ops LLC
New York, NY |
SELL
|
- |
-42.5KClosed |
$364K - $615K
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
Engineers Gate Manager LP
New York, NY |
SELL
|
- |
-43.6KClosed |
$373K - $631K
|
0
$0
|
|
|
Nov 10, 2021
Q3 2021
|
Allianz Asset Management Gmb H
Munich, 2M |
SELL
|
- |
-51K- 17.99% |
$437K - $738K
|
232K
$88.3K
|
|
|
Nov 15, 2021
Q3 2021
|
Fil LTD
Hamilton, D0 |
SELL
|
- |
-52.4KClosed |
$449K - $758K
|
0
$0
|
|
|
Nov 12, 2021
Q3 2021
|
Caption Management, LLC
Oklahoma City, OK |
SELL
|
- |
-54.7KClosed |
$468K - $792K
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
High Vista Strategies LLC
Boston, MA |
SELL
|
- |
-59.9KClosed |
$513K - $867K
|
0
$0
|
|
|
Nov 12, 2021
Q3 2021
|
Qube Research & Technologies LTD
London, X0 |
SELL
|
- |
-62.7KClosed |
$537K - $907K
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
Maven Securities LTD
St Helier, Y9 |
SELL
|
- |
-84.5KClosed |
$723K - $1.22M
|
0
$0
|
|
|
Nov 12, 2021
Q3 2021
|
Affinity Asset Advisors, LLC
New York, NY |
SELL
|
- |
-85KClosed |
$728K - $1.23M
|
0
$0
|
|
|
Nov 04, 2021
Q3 2021
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
SELL
|
- |
-92.1K- 46.92% |
$789K - $1.33M
|
104K
$39.6K
|
|
|
Nov 15, 2021
Q3 2021
|
Bailard, Inc.
|
SELL
|
- |
-111KClosed |
$950K - $1.61M
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
Silverarc Capital Management, LLC
|
SELL
|
- |
-125KClosed |
$1.07M - $1.81M
|
0
$0
|
|
|
Oct 19, 2021
Q3 2021
|
Assenagon Asset Management S.A.
|
SELL
|
- |
-137K- 13.17% |
$1.17M - $1.98M
|
904K
$343K
|
|
|
Nov 22, 2021
Q3 2021
|
Comerica Bank
|
SELL
|
- |
-147KClosed |
$1.26M - $2.13M
|
0
$0
|
|
|
Oct 22, 2021
Q3 2021
|
Strs Ohio
|
SELL
|
- |
-154KClosed |
$1.32M - $2.22M
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
Sio Capital Management, LLC
New York, NY |
SELL
|
- |
-157KClosed |
$1.35M - $2.28M
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
Two Sigma Investments, LP
New York, NY |
SELL
|
- |
-216K- 38.26% |
$1.85M - $3.12M
|
348K
$132K
|
|
|
Nov 15, 2021
Q3 2021
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-222K- 68.19% |
$1.9M - $3.22M
|
104K
$39.4K
|
|
|
Nov 15, 2021
Q3 2021
|
Commodore Capital LP
New York, NY |
SELL
|
- |
-429KClosed |
$3.67M - $6.21M
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
Ghost Tree Capital, LLC
New York, NY |
SELL
|
- |
-450KClosed |
$3.85M - $6.51M
|
0
$0
|
|
|
Nov 15, 2021
Q3 2021
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-542K- 92.05% |
$4.64M - $7.85M
|
46.8K
$17.8K
|
|
|
Nov 15, 2021
Q3 2021
|
Wellington Management Group LLP
Boston, MA |
SELL
|
- |
-870K- 12.65% |
$7.45M - $12.6M
|
6.01M
$2.28M
|
|
|
Nov 15, 2021
Q3 2021
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-1.34M- 57.68% |
$11.4M - $19.3M
|
981K
$373K
|
|
|
Nov 12, 2021
Q3 2021
|
Westfield Capital Management CO LP
Boston, MA |
SELL
|
- |
-2.11MClosed |
$18.1M - $30.5M
|
0
$0
|