Two Sigma Securities, LLC

SEC CIK: 0001450144
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

GBIO holding history

Generation Bio Co. in every 13F filed by Two Sigma Securities, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

GBIO overview All 13F holders of GBIO Full Q2 2026 holdings

Shares (Q3 2025): 0; Sold out in Q3 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 1; Since Q2 2025

Holdings of GBIO by Two Sigma Securities, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2025	0	$0	0.0%	−3,267−100.0%	Sold outConverted for a 1-for-10 split	Holders
Q2 2025	32,669	$10.5K	<0.1%	+32,669	New	Holders