Jump Financial’s Altimmune ALT Stock Holding History

Jump 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 Q2	$578K	Buy	+190,000	New	+$567K	﹤0.01%	1407
2026 Q1	–	Sell	-242,017	Closed	-$874K	–	1847
2025 Q4	$874K	Buy	242,017 +126,217	+109%	+$550K	0.01%	1033
2025 Q3	$437K	Buy	+115,800	New	+$447K	0.01%	1352
2024 Q3	–	Sell	-281,000	Closed	-$1.87M	–	1609
2024 Q2	$1.87M	Buy	281,000 +194,812	+226%	+$1.44M	0.04%	581
2024 Q1	$877K	Buy	86,188 +75,528	+709%	+$768K	0.02%	873
2023 Q4	$120K	Buy	+10,660	New	+$44.5K	﹤0.01%	1643
2023 Q3	–	Sell	-21,249	Closed	-$75K	–	1813
2023 Q2	$75K	Sell	21,249 -267,451	-93%	-$1.2M	﹤0.01%	1690
2023 Q1	$1.22M	Buy	+288,700	New	+$3.43M	0.05%	530
2022 Q2	–	Sell	-10,200	Closed	-$62K	–	1584
2022 Q1	$62K	Sell	10,200 -35,200	-78%	-$259K	﹤0.01%	1455
2021 Q4	$416K	Buy	+45,400	New	+$482K	0.03%	737
2021 Q2	–	Sell	-52,651	Closed	-$744K	–	1054
2021 Q1	$744K	Buy	52,651 +15,951	+43%	+$258K	0.07%	301
2020 Q4	$414K	Sell	36,700 -19,900	-35%	-$234K	0.07%	452
2020 Q3	$747K	Buy	+56,600	New	+$1.13M	0.15%	212

Other funds holding ALT

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

TCM

TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jump Financial's ALT Position: Q2 2026 in Review

Jump Financial opened a new position in Altimmune (ALT) in Q2 2026: 190,000 shares worth $578K. The stake represents ﹤0.01% of the portfolio and ranks #1407 among its holdings. This is a return to the name: Jump Financial previously reported a position in ALT as recently as Q4 2025.

Jump Financial first reported a position in ALT in Q3 2020 and has held it in 13 quarters since. The position peaked at $1.87M in Q2 2024. 210 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

Jump Financial held 190,000 shares of Altimmune worth $578K as of Q2 2026.
Altimmune was a new Jump Financial position in Q2 2026.
Altimmune made up ﹤0.01% of Jump Financial's portfolio in Q2 2026, its #1407 holding.
Jump Financial first reported a position in Altimmune in Q3 2020 and has held it in 13 quarters since.
Jump Financial's Altimmune position peaked at $1.87M in Q2 2024.
210 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

Based on Jump Financial's 13F filing for Q2 2026, filed 13 Aug 2026.