Tang Capital Management’s Altimmune ALT Stock Holding History

Tang Capital Management’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	$2.02M	Hold	666,022	–	–	0.09%	40
2026 Q1	$2.05M	Sell	666,022 -1,465,285	-69%	-$6.22M	0.1%	45
2025 Q4	$7.69M	Hold	2,131,307	–	–	0.38%	48
2025 Q3	$8.04M	Sell	2,131,307 -618,693	-22%	-$2.39M	0.31%	72
2025 Q2	$10.6M	Hold	2,750,000	–	–	0.54%	48
2025 Q1	$13.8M	Hold	2,750,000	–	–	0.76%	36
2024 Q4	$19.8M	Hold	2,750,000	–	–	1.31%	19
2024 Q3	$16.9M	Hold	2,750,000	–	–	1.21%	24
2024 Q2	$18.3M	Hold	2,750,000	–	–	1.86%	13
2024 Q1	$28M	Hold	2,750,000	–	–	2.91%	6
2023 Q4	$30.9M	Hold	2,750,000	–	–	2.86%	9
2023 Q3	$7.15M	Hold	2,750,000	–	–	1.01%	34
2023 Q2	$9.71M	Hold	2,750,000	–	–	1.43%	22
2023 Q1	$11.6M	Buy	2,750,000 +49,550	+2%	+$589K	1.73%	18
2022 Q4	$44.4M	Buy	2,700,450 +100,000	+4%	+$1.12M	6.45%	2
2022 Q3	$33.2M	Sell	2,600,450 -1,000,000	-28%	-$14.8M	4.07%	5
2022 Q2	$42.1M	Buy	3,600,450 +1,026,706	+40%	+$6.33M	6.39%	3
2022 Q1	$15.7M	Buy	2,573,744 +973,744	+61%	+$7.17M	3.14%	8
2021 Q4	$14.7M	Hold	1,600,000	–	–	2.95%	8
2021 Q3	$18.1M	Buy	1,600,000 +816,593	+104%	+$9.93M	3.76%	9
2021 Q2	$7.72M	Buy	+783,407	New	+$10.7M	1.54%	9

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

Tang Capital Management's ALT Position: Q2 2026 in Review

Tang Capital Management held its Altimmune (ALT) position steady in Q2 2026 at 666,022 shares worth $2.02M. The position accounts for 0.09% of the portfolio, ranked #40.

Tang Capital Management first reported a position in ALT in Q2 2021 and has held it in 21 quarters since. The position peaked at $44.4M in Q4 2022. 211 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

Tang Capital Management held 666,022 shares of Altimmune worth $2.02M as of Q2 2026.
Tang Capital Management left its Altimmune share count unchanged in Q2 2026.
Altimmune made up 0.09% of Tang Capital Management's portfolio in Q2 2026, its #40 holding.
Tang Capital Management first reported a position in Altimmune in Q2 2021 and has held it in 21 quarters since.
Tang Capital Management's Altimmune position peaked at $44.4M in Q4 2022.
211 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

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