Martingale Asset Management’s Generation Bio GBIO Stock Holding History

Martingale Asset Management’s Portfolio GBIO Stock Details GBIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q4	–	Sell	-7,430	Closed	-$282K	–	812
2023 Q3	$282K	Hold	7,430	–	–	0.01%	694
2023 Q2	$409K	Hold	7,430	–	–	0.01%	652
2023 Q1	$320K	Hold	7,430	–	–	0.01%	698
2022 Q4	$292K	Hold	7,430	–	–	0.01%	727
2022 Q3	$395K	Sell	7,430 -1	-0%	-$63	0.01%	663
2022 Q2	$488K	Sell	7,431 -403	-5%	-$26.3K	0.01%	647
2022 Q1	$575K	Buy	7,834 +6,039	+336%	+$350K	0.01%	610
2021 Q4	$128K	Buy	1,795 +363	+25%	+$63.4K	﹤0.01%	809
2021 Q3	$360K	Buy	+1,432	New	+$343K	﹤0.01%	726

Other funds holding GBIO

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Artal Group Luxembourg $1.01B AUM 29.84% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

Martingale Asset Management's GBIO Position: Q4 2023 in Review

Martingale Asset Management sold out of Generation Bio (GBIO) in Q4 2023, closing a stake of 7,430 shares — an estimated $282K sold.

Martingale Asset Management first reported a position in GBIO in Q3 2021 and held it in 9 quarters. The position peaked at $575K in Q1 2022. 74 funds tracked by Wall St. Rank hold GBIO as of Q4 2023.

Martingale Asset Management reported no remaining Generation Bio position as of Q4 2023 after selling out during the quarter.
Martingale Asset Management sold 7,430 Generation Bio shares in Q4 2023, an estimated $282K.
Martingale Asset Management first reported a position in Generation Bio in Q3 2021 and held it in 9 quarters.
Martingale Asset Management's Generation Bio position peaked at $575K in Q1 2022.
74 funds tracked by Wall St. Rank held Generation Bio as of Q4 2023.

Based on Martingale Asset Management's 13F filing for Q4 2023, filed 12 Feb 2024.