Virtu Financial’s Altimmune ALT Stock Holding History

Virtu Financial’s Portfolio ALT Stock Details ALT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$217K	Buy	70,540 +12,063	+21%	+$51.2K	0.01%	984
2025 Q4	$211K	Buy	58,477 +10,409	+22%	+$45.4K	0.01%	996
2025 Q3	$181K	Sell	48,068 -219,710	-82%	-$848K	0.01%	937
2025 Q2	$1.04M	Buy	+267,778	New	+$1.45M	0.05%	324
2025 Q1	–	Sell	-86,831	Closed	-$626K	–	1313
2024 Q4	$626K	Sell	86,831 -22,928	-21%	-$175K	0.03%	432
2024 Q3	$674K	Buy	+109,759	New	+$744K	0.04%	360
2020 Q3	–	Sell	-38,460	Closed	-$412K	–	1012
2020 Q2	$412K	Buy	+38,460	New	+$211K	0.05%	432
2019 Q4	$29K	Sell	15,248 -15,186	-50%	-$28K	﹤0.01%	1275
2019 Q3	$59K	Buy	+30,434	New	+$67.5K	﹤0.01%	1170
2019 Q1	–	Sell	-16,274	Closed	-$34K	–	1383
2018 Q4	$34K	Buy	+16,274	New	+$57.6K	﹤0.01%	1314

Other funds holding ALT

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

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

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

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Virtu Financial's ALT Position: Q1 2026 in Review

Virtu Financial increased its Altimmune (ALT) stake by 21% in Q1 2026, buying an estimated $51.2K and bringing the position to 70,540 shares worth $217K. The position accounts for 0.01% of the portfolio, ranked #984.

Virtu Financial first reported a position in ALT in Q4 2018 and has held it in 10 quarters since. The position peaked at $1.04M in Q2 2025. 173 funds tracked by Wall St. Rank hold ALT as of Q1 2026.

Virtu Financial held 70,540 shares of Altimmune worth $217K as of Q1 2026.
Virtu Financial bought 12,063 Altimmune shares in Q1 2026, an estimated $51.2K.
Altimmune made up 0.01% of Virtu Financial's portfolio in Q1 2026, its #984 holding.
Virtu Financial first reported a position in Altimmune in Q4 2018 and has held it in 10 quarters since.
Virtu Financial's Altimmune position peaked at $1.04M in Q2 2025.
173 funds tracked by Wall St. Rank held Altimmune as of Q1 2026.

Based on Virtu Financial's 13F filing for Q1 2026, filed 14 May 2026.