LMR Partners’s Altimmune ALT Stock Holding History

LMR Partners’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	$912K	Buy	+300,000	New	+$896K	﹤0.01%	1070
2026 Q1	–	Sell	-61,300	Closed	-$221K	–	1437
2025 Q4	$221K	Buy	+61,300	New	+$267K	﹤0.01%	1266
2024 Q1	–	Sell	-25,000	Closed	-$281K	–	1145
2023 Q4	$281K	Sell	25,000 -19,508	-44%	-$81.4K	﹤0.01%	706
2023 Q3	$116K	Buy	+44,508	New	+$128K	﹤0.01%	671
2023 Q2	–	Sell	-76,976	Closed	-$325K	–	893
2023 Q1	$325K	Buy	+76,976	New	+$914K	0.01%	786
2022 Q4	–	Sell	-14,139	Closed	-$181K	–	1101
2022 Q3	$181K	Hold	14,139	–	–	﹤0.01%	1023
2022 Q2	$165K	Buy	+14,139	New	+$87.2K	﹤0.01%	1075
2022 Q1	–	Sell	-20,000	Closed	-$183K	–	1212
2021 Q4	$183K	Sell	20,000 -20,249	-50%	-$215K	﹤0.01%	1083
2021 Q3	$455K	Buy	+40,249	New	+$489K	0.01%	818
2021 Q2	–	Sell	-21,318	Closed	-$301K	–	1103
2021 Q1	$301K	Buy	+21,318	New	+$345K	0.01%	734
2017 Q3	–	Sell	-804	Closed	-$77K	–	321
2017 Q2	$77K	Buy	+804	New	+$134K	﹤0.01%	573

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

LMR Partners's ALT Position: Q2 2026 in Review

LMR Partners opened a new position in Altimmune (ALT) in Q2 2026: 300,000 shares worth $912K. The stake represents ﹤0.01% of the portfolio and ranks #1070 among its holdings. This is a return to the name: LMR Partners previously reported a position in ALT as recently as Q4 2025.

LMR Partners first reported a position in ALT in Q2 2017 and has held it in 11 quarters since. 211 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

LMR Partners held 300,000 shares of Altimmune worth $912K as of Q2 2026.
Altimmune was a new LMR Partners position in Q2 2026.
Altimmune made up ﹤0.01% of LMR Partners's portfolio in Q2 2026, its #1070 holding.
LMR Partners first reported a position in Altimmune in Q2 2017 and has held it in 11 quarters since.
211 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

Based on LMR Partners's 13F filing for Q2 2026, filed 14 Aug 2026.