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Generation Bio

88 hedge funds and large institutions have $390M invested in Generation Bio in 2021 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 29 increasing their positions, 23 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
88
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$110K
Puts
$91K
Net Calls
Net Calls Change

Top Buyers

1 +$9.91M
2 +$3.81M
3 +$2.66M
4
Two Sigma Investments
Two Sigma Investments
New York
+$1.72M
5
Renaissance Technologies
Renaissance Technologies
New York
+$1.62M

Top Sellers

1 -$36.9M
2 -$8.84M
3 -$8.32M
4
Ensign Peak Advisors
Ensign Peak Advisors
Utah
-$4.38M
5
LCM
Laurion Capital Management
New York
-$2.29M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$61.2M
2
$60.4M
3
$58.6M
4
$27.4M
5
$25.4M
6
$24.8M
7
$22.4M
8
$19.9M
9
$14M
10
$13.8M
11
$9.38M
12
$5.3M
13
$4.31M
14
$3.98M
15
$3.81M
16
$3.61M
17
$2.98M
18
$2.26M
19
$1.86M
20
$1.73M
21
$1.72M
22
$1.68M
23
$1.62M
24
$1.34M
25
$1.19M