State Street Corp Mersana Therapeutics, Inc. Transaction History

State Street Corp

$2.59 Trillion
Q2 2025

A detailed history of State Street Corp transactions in Mersana Therapeutics, Inc. stock. As of the latest transaction made, State Street Corp holds 452,110 shares of MRSN stock, worth $2.74 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

452,110

Previous 2,603,868 82.64%

Holding current value

$2.74 Million

Previous $885,000 84.75%

% of portfolio

0.0%

Previous 0.0%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$0.26 - $0.41 $559,457 - $882,220	-2,151,758 Reduced 82.64%	452,110 $135,000
Q1 2025 May 15, 2025	SELL	$0.34 - $1.4 $54,749 - $225,437	-161,027 Reduced 5.82%	2,603,868 $885,000
Q4 2024 Feb 14, 2025	BUY	$1.42 - $2.68 $56,091 - $105,862	39,501 Added 1.45%	2,764,895 $3.95 Million
Q3 2024 Nov 14, 2024	BUY	$1.23 - $2.25 $53,306 - $97,512	43,339 Added 1.62%	2,725,394 $5.15 Million
Q2 2024 Aug 14, 2024	SELL	$2.0 - $4.45 $5.63 Million - $12.5 Million	-2,815,388 Reduced 51.21%	2,682,055 $5.39 Million
Q1 2024 May 15, 2024	BUY	$2.16 - $5.94 $6.84 Million - $18.8 Million	3,168,009 Added 136.0%	5,497,443 $24.6 Million
Q4 2023 Feb 14, 2024	BUY	$1.11 - $2.34 $18,528 - $39,059	16,692 Added 0.72%	2,329,434 $5.4 Million
Q3 2023 Nov 14, 2023	SELL	$1.06 - $3.91 $2.75 Million - $10.1 Million	-2,592,407 Reduced 52.85%	2,312,742 $2.94 Million
Q2 2023 Aug 14, 2023	SELL	$3.08 - $9.55 $4.64 Million - $14.4 Million	-1,507,073 Reduced 23.5%	4,905,149 $16.1 Million
Q1 2023 May 15, 2023	BUY	$4.0 - $7.02 $2.22 Million - $3.9 Million	556,161 Added 9.5%	6,412,222 $26.4 Million
Q4 2022 Feb 14, 2023	BUY	$5.65 - $7.86 $10.2 Million - $14.1 Million	1,797,041 Added 44.27%	5,856,061 $34.3 Million
Q3 2022 Nov 15, 2022	BUY	$4.63 - $8.0 $11.3 Million - $19.5 Million	2,438,690 Added 150.51%	4,059,020 $27.4 Million
Q2 2022 Aug 15, 2022	BUY	$2.84 - $5.0 $761,631 - $1.34 Million	268,180 Added 19.83%	1,620,330 $7.49 Million
Q1 2022 May 16, 2022	SELL	$3.74 - $6.63 $10.7 Million - $19 Million	-2,868,407 Reduced 67.96%	1,352,150 $5.4 Million
Q4 2021 Feb 14, 2022	BUY	$5.48 - $9.86 $714,378 - $1.29 Million	130,361 Added 3.19%	4,220,557 $26.3 Million
Q3 2021 Nov 15, 2021	BUY	$8.56 - $14.47 $7.22 Million - $12.2 Million	843,673 Added 25.99%	4,090,196 $38.6 Million
Q2 2021 Aug 16, 2021	SELL	$13.28 - $18.07 $6.63 Million - $9.03 Million	-499,477 Reduced 13.33%	3,246,523 $44.1 Million
Q1 2021 May 17, 2021	BUY	$15.31 - $26.52 $9.05 Million - $15.7 Million	591,116 Added 18.74%	3,746,000 $60.6 Million
Q4 2020 Feb 16, 2021	BUY	$16.84 - $27.59 $3.5 Million - $5.74 Million	207,971 Added 7.06%	3,154,884 $84 Million
Q3 2020 Nov 10, 2020	BUY	$16.2 - $25.7 $22.4 Million - $35.5 Million	1,381,464 Added 88.25%	2,946,913 $54.9 Million
Q2 2020 Aug 14, 2020	BUY	$5.24 - $23.4 $4.57 Million - $20.4 Million	872,122 Added 125.79%	1,565,449 $36.6 Million
Q1 2020 May 11, 2020	BUY	$4.41 - $9.28 $3.06 Million - $6.43 Million	693,327 New	693,327 $4.04 Million

Others Institutions Holding MRSN

# of Institutions

Shares Held

95.3M

Call Options Held

34.3K

Put Options Held

14K

View Full List

About Mersana Therapeutics, Inc.

Ticker MRSN
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 97,169,296
Market Cap $590M
Description
Mersana Therapeutics, Inc., a clinical stage biopharmaceutical company, develops antibody drug conjugates (ADC) for cancer patients with unmet need. It develops XMT-1592, a Dolasynthen ADC targeting NaPi2b-expressing tumor cells, which is in phase I clinical trial for the treatment of ovarian cancer and NSCLC adenocarcinoma. The company also dev...

More about MRSN

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of State Street Corp, based on Form 13F filings with the SEC.

News

Stay updated on State Street Corp with notifications on news.

Account

State Street Corp Mersana Therapeutics, Inc. Transaction History