A detailed history of Charles Schwab Investment Management Inc transactions in Mersana Therapeutics, Inc. stock. As of the latest transaction made, Charles Schwab Investment Management Inc holds 312,623 shares of MRSN stock, worth $506,449. This represents 0.0% of its overall portfolio holdings.

Number of Shares
312,623
Previous 312,630 0.0%
Holding current value
$506,449
Previous $628,000 6.05%
% of portfolio
0.0%
Previous 0.0%

Shares

25 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 12, 2024

SELL
$1.23 - $2.25 $8 - $15
-7 Reduced -0.0%
312,623 $590,000
Q2 2024

Aug 12, 2024

BUY
$2.0 - $4.45 $33,516 - $74,573
16,758 Added 5.66%
312,630 $628,000
Q1 2024

May 08, 2024

SELL
$2.16 - $5.94 $26,352 - $72,468
-12,200 Reduced 3.96%
295,872 $1.33 Million
Q4 2023

Feb 06, 2024

BUY
$1.11 - $2.34 $15,170 - $31,980
13,667 Added 4.64%
308,072 $714,000
Q3 2023

Nov 08, 2023

SELL
$1.06 - $3.91 $557,859 - $2.06 Million
-526,283 Reduced 64.13%
294,405 $373,000
Q2 2023

Aug 09, 2023

BUY
$3.08 - $9.55 $280,332 - $869,212
91,017 Added 12.47%
820,688 $2.7 Million
Q1 2023

May 11, 2023

BUY
$4.0 - $7.02 $234,576 - $411,680
58,644 Added 8.74%
729,671 $3 Million
Q4 2022

Feb 13, 2023

BUY
$5.65 - $7.86 $154,708 - $215,222
27,382 Added 4.25%
671,027 $3.93 Million
Q3 2022

Nov 14, 2022

SELL
$4.63 - $8.0 $57,962 - $100,152
-12,519 Reduced 1.91%
643,645 $4.35 Million
Q2 2022

Aug 15, 2022

BUY
$2.84 - $5.0 $543,871 - $957,520
191,504 Added 41.21%
656,164 $3.03 Million
Q1 2022

May 13, 2022

SELL
$3.74 - $6.63 $87,310 - $154,777
-23,345 Reduced 4.78%
464,660 $1.85 Million
Q4 2021

Feb 11, 2022

BUY
$5.48 - $9.86 $31,208 - $56,152
5,695 Added 1.18%
488,005 $3.04 Million
Q3 2021

Nov 16, 2021

BUY
$8.56 - $14.47 $597,804 - $1.01 Million
69,837 Added 16.93%
482,310 $4.55 Million
Q2 2021

Aug 16, 2021

BUY
$13.28 - $18.07 $561,611 - $764,180
42,290 Added 11.42%
412,473 $5.6 Million
Q1 2021

May 17, 2021

BUY
$15.31 - $26.52 $182,663 - $316,410
11,931 Added 3.33%
370,183 $5.99 Million
Q4 2020

Feb 16, 2021

BUY
$16.84 - $27.59 $80,444 - $131,797
4,777 Added 1.35%
358,252 $9.53 Million
Q3 2020

Nov 13, 2020

BUY
$16.2 - $25.7 $3.8 Million - $6.03 Million
234,786 Added 197.82%
353,475 $6.58 Million
Q2 2020

Aug 14, 2020

BUY
$5.24 - $23.4 $170,740 - $762,465
32,584 Added 37.84%
118,689 $2.78 Million
Q1 2020

May 15, 2020

BUY
$4.41 - $9.28 $4,674 - $9,836
1,060 Added 1.25%
86,105 $502,000
Q2 2019

Aug 09, 2019

BUY
$3.84 - $6.4 $192,748 - $321,248
50,195 Added 144.03%
85,045 $345,000
Q1 2019

May 14, 2019

BUY
$3.51 - $7.3 $36,328 - $75,555
10,350 Added 42.24%
34,850 $184,000
Q4 2018

Feb 14, 2019

SELL
$3.45 - $9.72 $12,420 - $34,992
-3,600 Reduced 12.81%
24,500 $100,000
Q3 2018

Nov 13, 2018

BUY
$10.0 - $19.02 $36,000 - $68,472
3,600 Added 14.69%
28,100 $281,000
Q2 2018

Aug 08, 2018

BUY
$14.2 - $22.68 $59,640 - $95,256
4,200 Added 20.69%
24,500 $438,000
Q1 2018

May 07, 2018

BUY
$13.56 - $18.48 $275,268 - $375,144
20,300 New
20,300 $321,000

Others Institutions Holding MRSN

About Mersana Therapeutics, Inc.


  • Ticker MRSN
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 97,169,296
  • Market Cap $157M
  • 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
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