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 $110,024 1.9%
2. 4,005,600 $64,810 +37% 6.21%
3.
Rock Springs Capital Management

Kris Jenner, Gordon Bussard, Graham Mcphail

2,775,127 $44,902 +35% 0.97%
4.
OrbiMed Advisors

Samuel Isaly

1,892,500 $30,621 +145% 0.28%
5.
Alkeon Capital Management

Panayotis Takis Sparaggis

1,810,505 $29,294 +1% 0.04%
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
$14.10 2,227 Officer 31,444 2021-05-20 Filing
$14.10 1,875 Officer 31,444 2021-05-20 Filing
$15.91 2,227 Officer 31,444 2021-04-20 Filing
$15.91 1,875 Officer 31,444 2021-04-20 Filing
$17.50 2,227 Officer 31,444 2021-03-22 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 39,567 $640,194 0%
2. 6,946 $112,386 0%
3. 3,746,000 $60,610 0%
4. 3,695,667 $59,796 3.38%
5. 3,117,369 $50,438 0%
News See All