Israel Englander’s Altimmune ALT Stock Holding History

Israel Englander’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
2025 Q3	–	Sell	-100,000	Closed	-$387K	–	5991
2025 Q2	$387K	Buy	100,000 +50,000	+100%	+$271K	﹤0.01%	5061
2025 Q1	$250K	Buy	+50,000	New	+$317K	﹤0.01%	5190
2023 Q2	–	Sell	-30,000	Closed	-$127K	–	6066
2023 Q1	$127K	Buy	+30,000	New	+$356K	﹤0.01%	5338
2021 Q3	–	Sell	-175,000	Closed	-$1.72M	–	6733
2021 Q2	$1.72M	Buy	175,000 +35,000	+25%	+$479K	﹤0.01%	4135
2021 Q1	$1.98M	Buy	+140,000	New	+$2.26M	﹤0.01%	3547

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

Israel Englander's ALT Position: Q2 2026 in Review

Israel Englander increased its Altimmune (ALT) stake by 1.6% in Q2 2026, buying an estimated $152K and bringing the position to 3,309,122 shares worth $10.1M. The position accounts for ﹤0.01% of the portfolio, ranked #2270.

Israel Englander first reported a position in ALT in Q4 2016 and has held it in 29 quarters since. The position peaked at $16.2M in Q1 2024. 210 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

Israel Englander held 3,309,122 shares of Altimmune worth $10.1M as of Q2 2026.
Israel Englander bought 50,931 Altimmune shares in Q2 2026, an estimated $152K.
Altimmune made up ﹤0.01% of Israel Englander's portfolio in Q2 2026, its #2270 holding.
Israel Englander first reported a position in Altimmune in Q4 2016 and has held it in 29 quarters since.
Israel Englander's Altimmune position peaked at $16.2M in Q1 2024.
210 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.