Citigroup’s Phio Pharmaceuticals PHIO Stock Holding History

Citigroup’s Portfolio PHIO Stock Details PHIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.25K	Buy	+1,025	New	+$1.17K	﹤0.01%	5461
2023 Q4	–	Sell	-102	Closed	-$1.38K	–	5820
2023 Q3	$1.38K	Buy	+102	New	+$2.12K	﹤0.01%	5039
2022 Q2	–	Sell	-9	Closed	-$1K	–	6554
2022 Q1	$1K	Buy	+9	New	+$857	﹤0.01%	6204
2016 Q3	–	Hold	0	–	–	–	7157
2016 Q2	–	Hold	0	–	–	–	7333
2016 Q1	–	Hold	0	–	–	–	7684
2015 Q4	–	Hold	0	–	–	–	7794
2015 Q3	–	Hold	0	–	–	–	7198
2015 Q2	–	Hold	0	–	–	–	7688
2015 Q1	–	Hold	0	–	–	–	7367
2014 Q4	–	Hold	0	–	–	–	7259
2014 Q3	–	Hold	0	–	–	–	7239
2014 Q2	–	Hold	0	–	–	–	7266
2014 Q1	–	Hold	0	–	–	–	6882

Other funds holding PHIO

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

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Cetera Investment Advisers Schaumburg, Illinois $94B AUM 20.14% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

SRL

Scientech Research LLC Jersey City, New Jersey $120M AUM 73.62% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return

Citigroup's PHIO Position: Q1 2026 in Review

Citigroup opened a new position in Phio Pharmaceuticals (PHIO) in Q1 2026: 1,025 shares worth $1.25K. The stake represents ﹤0.01% of the portfolio and ranks #5461 among its holdings. This is a return to the name: Citigroup previously reported a position in PHIO as recently as Q3 2023.

Citigroup first reported a position in PHIO in Q1 2022 and has held it in 3 quarters since. The position peaked at $1.38K in Q3 2023. 24 funds tracked by Wall St. Rank hold PHIO as of Q1 2026.

Citigroup held 1,025 shares of Phio Pharmaceuticals worth $1.25K as of Q1 2026.
Phio Pharmaceuticals was a new Citigroup position in Q1 2026.
Phio Pharmaceuticals made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #5461 holding.
Citigroup first reported a position in Phio Pharmaceuticals in Q1 2022 and has held it in 3 quarters since.
Citigroup's Phio Pharmaceuticals position peaked at $1.38K in Q3 2023.
24 funds tracked by Wall St. Rank held Phio Pharmaceuticals as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.