Mersana Therapeutics Inc. (MRSN)

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1.
VenBio Select Advisor

Kurt Von Emster

6,800,000 $92,344 1.6%
2. 4,005,600 $54,396 4.32%
3.
Rock Springs Capital Management

Kris Jenner, Gordon Bussard, Graham Mcphail

2,845,618 $38,643 +3% 0.76%
4.
OrbiMed Advisors

Samuel Isaly

2,800,247 $38,027 +48% 0.38%
5.
Alkeon Capital Management

Panayotis Takis Sparaggis

1,806,267 $24,529 -1% 0.03%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$14.38 1,035 Director 2,120 2021-06-01 Filing
$18.16 75,000 Director 3,695,667 2021-01-12 Filing
$18.52 75,000 Director 3,620,667 2021-01-11 Filing
$18.39 100,000 Director 3,545,667 2021-01-08 Filing
$4.87 3,383 Officer 3,383 2020-06-30 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$11.01 2,216 Officer 75,173 2021-08-20 Filing
$12.11 2,227 Officer 75,173 2021-07-20 Filing
$12.02 8,496 Officer 75,173 2021-07-19 Filing
$12.47 7,775 Officer 83,669 2021-07-16 Filing
$12.02 6,312 Officer 32,622 2021-07-19 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 903,866 $8,523 0.02%
2. 610 $6 0%
3. 0 $0 0%
4. 8 $0 0%
News See All