SEI Investments’s Regenxbio RGNX Stock Holding History

SEI Investments’s Portfolio RGNX Stock Details RGNX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$125K	Hold	14,920	–	–	﹤0.01%	3059
2025 Q4	$215K	Sell	14,920 -111	-0.7%	-$1.38K	﹤0.01%	2872
2025 Q3	$145K	Buy	15,031 +571	+4%	+$5.05K	﹤0.01%	2670
2025 Q2	$119K	Buy	14,460 +1,147	+9%	+$9.6K	﹤0.01%	2663
2025 Q1	$95.2K	Buy	+13,313	New	+$99K	﹤0.01%	2603
2023 Q1	–	Sell	-19,978	Closed	-$453K	–	2725
2022 Q4	$453K	Buy	+19,978	New	+$452K	﹤0.01%	2052
2019 Q2	–	Sell	-8,123	Closed	-$466K	–	2690
2019 Q1	$466K	Buy	+8,123	New	+$402K	﹤0.01%	1928
2018 Q3	–	Sell	-12,527	Closed	-$899K	–	3236
2018 Q2	$899K	Buy	12,527 +12,518	+139,089%	+$598K	﹤0.01%	1627
2018 Q1	$0	Hold	9	–	–	﹤0.01%	3634
2017 Q4	$0	Hold	9	–	–	﹤0.01%	3458
2017 Q3	$0	Buy	+9	New	+$203	﹤0.01%	3360

Other funds holding RGNX

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

Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

IHAM

Integral Health Asset Management New York $2.09B AUM 112.84% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

SEI Investments's RGNX Position: Q1 2026 in Review

SEI Investments held its Regenxbio (RGNX) position steady in Q1 2026 at 14,920 shares worth $125K. The position accounts for ﹤0.01% of the portfolio, ranked #3059.

SEI Investments first reported a position in RGNX in Q3 2017 and has held it in 11 quarters since. The position peaked at $899K in Q2 2018. 178 funds tracked by Wall St. Rank hold RGNX as of Q1 2026.

SEI Investments held 14,920 shares of Regenxbio worth $125K as of Q1 2026.
SEI Investments left its Regenxbio share count unchanged in Q1 2026.
Regenxbio made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #3059 holding.
SEI Investments first reported a position in Regenxbio in Q3 2017 and has held it in 11 quarters since.
SEI Investments's Regenxbio position peaked at $899K in Q2 2018.
178 funds tracked by Wall St. Rank held Regenxbio as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.