Latest Institutional Transactions on Generation Bio Co. (GBIO)
This table provides information on the latest institutional transactions involving Generation Bio Co. (GBIO) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
May 15, 2025
Q1 2025
|
Panagora Asset Management Inc
Boston, MA |
SELL
|
- |
-1.27K- 1.45% |
$508 - $1.46K
|
86.4K
$468K
|
|
|
May 15, 2025
Q1 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
SELL
|
- |
-1.11K- 0.77% |
$446 - $1.28K
|
144K
$780K
|
|
|
May 15, 2025
Q1 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
SELL
|
- |
-130K- 41.58% |
$51.8K - $149K
|
182K
$986K
|
|
|
May 15, 2025
Q1 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
BUY
|
- |
1.25K+ 4.35% |
$499 - $1.44K
|
30K
$162K
|
|
|
May 15, 2025
Q1 2025
|
Bridgeway Capital Management, LLC
Houston, TX |
SELL
|
- |
-192K- 77.63% |
$76.6K - $220K
|
55.2K
$299K
|
|
|
May 14, 2025
Q1 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
38.7KNew |
$15.5K - $44.5K
|
38.7K
$210K
|
|
|
May 14, 2025
Q1 2025
|
Ieq Capital, LLC
|
BUY
|
- |
20.4KNew |
$8.18K - $23.5K
|
20.4K
$111K
|
|
|
May 14, 2025
Q1 2025
|
Siren, L.L.C.
New York, NY |
SELL
|
- |
-13.8K- 0.46% |
$5.52K - $15.9K
|
2.97M
$16.1M
|
|
|
May 13, 2025
Q1 2025
|
Russell Investments Group, Ltd.
|
SELL
|
- |
-3.11K- 53.52% |
$1.24K - $3.58K
|
2.7K
$14.7K
|
|
|
May 13, 2025
Q1 2025
|
True Wealth Design, LLC
Akron, OH |
BUY
|
- |
129New |
$51.6 - $148
|
129
$699
|
|
|
May 13, 2025
Q1 2025
|
Dimensional Fund Advisors LP
Austin, TX |
SELL
|
- |
-204K- 51.59% |
$81.8K - $235K
|
192K
$1.04M
|
|
|
May 13, 2025
Q1 2025
|
Cibc World Markets Corp
New York, NY |
BUY
|
- |
11KNew |
$4.39K - $12.6K
|
11K
$59.5K
|
|
|
May 13, 2025
Q1 2025
|
Ever Source Wealth Advisors, LLC
|
SELL
|
- |
-48- 64.0% |
$19.2 - $55.2
|
27
$146
|
|
|
May 12, 2025
Q1 2025
|
Invesco Ltd.
Atlanta, GA |
SELL
|
- |
-826- 5.75% |
$330 - $950
|
13.5K
$73.4K
|
|
|
May 12, 2025
Q1 2025
|
Jpmorgan Chase & CO
New York, NY |
SELL
|
- |
-95.7K- 32.16% |
$38.3K - $110K
|
202K
$1.09M
|
|
|
May 12, 2025
Q1 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
169KNew |
$67.7K - $195K
|
169K
$917K
|
|
|
May 09, 2025
Q1 2025
|
Core Cap Advisors, LLC
Southfield, MI |
BUY
|
- |
531+ 127.95% |
$212 - $611
|
946
$5.13K
|
|
|
May 08, 2025
Q1 2025
|
Jefferies Financial Group Inc.
New York, NY |
SELL
|
- |
-2.09M- 92.32% |
$835K - $2.4M
|
174K
$941K
|
|
|
May 08, 2025
Q1 2025
|
Pro Share Advisors LLC
|
SELL
|
- |
-3.22K- 23.13% |
$1.29K - $3.71K
|
10.7K
$58.1K
|
|
|
May 07, 2025
Q1 2025
|
Xtx Topco LTD
London, X0 |
BUY
|
- |
52.4KNew |
$21K - $60.3K
|
52.4K
$284K
|
|
|
May 05, 2025
Q1 2025
|
Los Angeles Capital Management LLC
|
BUY
|
- |
133K+ 54.08% |
$53.2K - $153K
|
379K
$2.05M
|
|
|
Apr 30, 2025
Q1 2025
|
Cerity Partners LLC
New York, NY |
BUY
|
- |
16.9KNew |
$6.74K - $19.4K
|
16.9K
$91.3K
|
|
|
Apr 22, 2025
Q1 2025
|
Ewa, LLC
Pittsbugh, PA |
BUY
|
- |
92.9KNew |
$37.2K - $107K
|
92.9K
$504K
|
|
|
Apr 15, 2025
Q1 2025
|
Sg Americas Securities, LLC
|
SELL
|
- |
-8.89K- 32.8% |
$3.56K - $10.2K
|
18.2K
$98.7K
|
|
| Q4 2024 | |||||||
|
Jun 30, 2025
Q4 2024
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
BUY
|
- |
75.4K+ 69.32% |
$76.9K - $189K
|
184K
$998K
|
|
|
May 29, 2025
Q4 2024
|
Rhumbline Advisers
Boston, MA |
BUY
|
- |
3.69K+ 5.29% |
$3.76K - $9.26K
|
73.4K
$398K
|
|
|
Mar 07, 2025
Q4 2024
|
Aegis Wealth Management LLC
Bethesda, MD |
BUY
|
- |
88.9KNew |
$90.7K - $223K
|
88.9K
$482K
|
|
|
Feb 18, 2025
Q4 2024
|
Public Employees Retirement System Of Ohio
Columbus, OH |
SELL
|
- |
-2.11K- 37.35% |
$2.15K - $5.29K
|
3.53K
$19.2K
|
|
|
Feb 14, 2025
Q4 2024
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-143K- 29.34% |
$146K - $359K
|
345K
$1.87M
|
|
|
Feb 14, 2025
Q4 2024
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-5.51K- 32.03% |
$5.62K - $13.8K
|
11.7K
$63.4K
|
|
|
Feb 14, 2025
Q4 2024
|
Integrated Wealth Concepts LLC
|
BUY
|
- |
72.7KNew |
$74.2K - $183K
|
72.7K
$394K
|
|
|
Feb 12, 2025
Q4 2024
|
Envestnet Asset Management Inc
|
BUY
|
- |
14.1KNew |
$14.4K - $35.4K
|
14.1K
$76.4K
|
|
|
Feb 11, 2025
Q4 2024
|
Police & Firemen'S Retirement System Of New Jersey
Trenton, NJ |
BUY
|
- |
15.8KNew |
$16.1K - $39.6K
|
15.8K
$85.6K
|
|
|
Feb 10, 2025
Q4 2024
|
Connor, Clark & Lunn Investment Management Ltd.
|
SELL
|
- |
-10.2K- 13.78% |
$10.4K - $25.5K
|
63.6K
$344K
|
|
|
Feb 06, 2025
Q4 2024
|
Assetmark, Inc
|
BUY
|
- |
100New |
$102 - $251
|
100
$542
|
|
|
Feb 05, 2025
Q4 2024
|
Sbi Securities Co., Ltd.
Tokyo, M0 |
BUY
|
- |
470New |
$479 - $1.18K
|
470
$2.55K
|
|
| Q3 2024 | |||||||
|
Oct 08, 2025
Q3 2024
|
New York State Common Retirement Fund
|
BUY
|
- |
2.68KNew |
$5.79K - $9.41K
|
2.68K
$14.5K
|
|
|
Nov 14, 2024
Q3 2024
|
Baker Bros. Advisors LP
New York, NY |
BUY
|
- |
738K+ 61.14% |
$1.59M - $2.59M
|
1.94M
$10.5M
|
|
|
Nov 14, 2024
Q3 2024
|
Ameriprise Financial Inc
Minneapolis, MN |
SELL
|
- |
-3.5K- 19.69% |
$7.56K - $12.3K
|
14.3K
$77.4K
|
|
|
Nov 13, 2024
Q3 2024
|
Met Life Investment Management, LLC
Whippany, NJ |
SELL
|
- |
-24.1K- 84.84% |
$52K - $84.6K
|
4.3K
$23.3K
|
|
|
Nov 12, 2024
Q3 2024
|
American Century Companies Inc
Kansas City, MO |
SELL
|
- |
-470- 1.48% |
$1.02K - $1.65K
|
31.3K
$170K
|
|
|
Nov 06, 2024
Q3 2024
|
Cornercap Investment Counsel Inc
Atlanta, GA |
SELL
|
- |
-28.4K- 49.51% |
$61.4K - $99.8K
|
29K
$157K
|
|
|
Nov 01, 2024
Q3 2024
|
Capital Performance Advisors LLP
|
BUY
|
- |
45New |
$97.2 - $158
|
45
$244
|
|
|
Oct 24, 2024
Q3 2024
|
Fortitude Family Office, LLC
Scottsdale, AZ |
BUY
|
- |
3.35KNew |
$7.24K - $11.8K
|
3.35K
$18.2K
|
|
|
Oct 24, 2024
Q3 2024
|
Capital Advisors, Ltd. LLC
|
SELL
|
- |
-9- 23.68% |
$19.4 - $31.6
|
29
$157
|
|
|
Oct 04, 2024
Q3 2024
|
Gamma Investing LLC
Foster City, CA |
SELL
|
- |
-29- 36.71% |
$62.6 - $102
|
50
$271
|
|
| Q2 2024 | |||||||
|
Aug 14, 2024
Q2 2024
|
Bellevue Group Ag
Kuesnacht, V8 |
BUY
|
- |
57.3K+ 1.48% |
$151K - $249K
|
3.92M
$21.2M
|
|
|
Aug 14, 2024
Q2 2024
|
California State Teachers Retirement System
West Sacramento, CA |
SELL
|
- |
-968- 21.26% |
$2.56K - $4.21K
|
3.59K
$19.4K
|
|
|
Aug 14, 2024
Q2 2024
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
9.08K+ 91.01% |
$24K - $39.5K
|
19K
$103K
|
|
|
Aug 14, 2024
Q2 2024
|
Pfm Health Sciences, LP
San Francisco, CA |
SELL
|
- |
-835K- 51.44% |
$2.2M - $3.63M
|
788K
$4.27M
|
|