A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Generation Bio Co. stock. As of the latest transaction made, Two Sigma Advisers, LP holds 217,100 shares of GBIO stock, worth $258,349. This represents 0.0% of its overall portfolio holdings.

Number of Shares
217,100
Previous 272,000 20.18%
Holding current value
$258,349
Previous $767,000 30.12%
% of portfolio
0.0%
Previous 0.0%

Shares

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

Nov 14, 2024

SELL
$2.16 - $3.51 $118,584 - $192,699
-54,900 Reduced 20.18%
217,100 $536,000
Q2 2024

Aug 14, 2024

SELL
$2.64 - $4.35 $162,624 - $267,960
-61,600 Reduced 18.47%
272,000 $767,000
Q1 2024

May 15, 2024

BUY
$1.73 - $4.07 $209,676 - $493,284
121,200 Added 57.06%
333,600 $1.36 Million
Q4 2023

Feb 14, 2024

BUY
$0.91 - $3.35 $177,177 - $652,245
194,700 Added 1100.0%
212,400 $350,000
Q3 2023

Nov 14, 2023

SELL
$3.65 - $6.9 $35,770 - $67,620
-9,800 Reduced 35.64%
17,700 $67,000
Q2 2023

Aug 14, 2023

BUY
$3.5 - $5.67 $6,300 - $10,206
1,800 Added 7.0%
27,500 $151,000
Q1 2023

May 15, 2023

BUY
$3.61 - $7.01 $3,249 - $6,309
900 Added 3.63%
25,700 $110,000
Q4 2022

Feb 14, 2023

SELL
$3.66 - $6.77 $45,384 - $83,948
-12,400 Reduced 33.33%
24,800 $97,000
Q3 2022

Nov 14, 2022

BUY
$4.68 - $8.34 $76,752 - $136,776
16,400 Added 78.85%
37,200 $198,000
Q2 2022

Aug 15, 2022

SELL
$4.87 - $9.41 $234,734 - $453,562
-48,200 Reduced 69.86%
20,800 $136,000
Q1 2022

May 16, 2022

SELL
$4.16 - $7.76 $37,024 - $69,064
-8,900 Reduced 11.42%
69,000 $506,000
Q4 2021

Feb 14, 2022

BUY
$5.99 - $24.97 $466,621 - $1.95 Million
77,900 New
77,900 $552,000

Others Institutions Holding GBIO

About Generation Bio Co.


  • Ticker GBIO
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 59,011,200
  • Market Cap $70.2M
  • Description
  • Generation Bio Co., a genetic medicines company, develops therapies for the treatment of rare and prevalent diseases. The company provides a portfolio of programs, including programs for rare and prevalent diseases of the liver and retina. It also focuses on the diseases of skeletal muscle, central nervous system, and oncology. The company was f...
More about GBIO
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