AllianceBernstein’s Altimmune ALT Stock Holding History

AllianceBernstein’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	$434K	Buy	140,850 +69,090	+96%	+$206K	﹤0.01%	2809
2026 Q1	$259K	Hold	71,760	–	–	﹤0.01%	2945
2025 Q4	$259K	Hold	71,760	–	–	﹤0.01%	2966
2025 Q3	$271K	Hold	71,760	–	–	﹤0.01%	2978
2025 Q2	$278K	Hold	71,760	–	–	﹤0.01%	2952
2025 Q1	$359K	Hold	71,760	–	–	﹤0.01%	2688
2024 Q4	$517K	Hold	71,760	–	–	﹤0.01%	2626
2024 Q3	$441K	Sell	71,760 -23,770	-25%	-$161K	﹤0.01%	2724
2024 Q2	$635K	Buy	95,530 +43,500	+84%	+$321K	﹤0.01%	2528
2024 Q1	$530K	Sell	52,030 -550	-1%	-$5.59K	﹤0.01%	2565
2023 Q4	$592K	Buy	52,580 +5,440	+12%	+$22.7K	﹤0.01%	2528
2023 Q3	$123K	Hold	47,140	–	–	﹤0.01%	3040
2023 Q2	$166K	Buy	+47,140	New	+$212K	﹤0.01%	3017
2022 Q3	–	Sell	-350,526	Closed	-$4.1M	–	3270
2022 Q2	$4.1M	Sell	350,526 -144,535	-29%	-$891K	﹤0.01%	1544
2022 Q1	$3.02M	Buy	495,061 +140,664	+40%	+$1.04M	﹤0.01%	1846
2021 Q4	$3.25M	Buy	354,397 +101,587	+40%	+$1.08M	﹤0.01%	1851
2021 Q3	$2.86M	Buy	252,810 +207,510	+458%	+$2.52M	﹤0.01%	1945
2021 Q2	$446K	Buy	+45,300	New	+$619K	﹤0.01%	2861
2014 Q2	–	Sell	-3	Closed	-$2K	–	3408
2014 Q1	$2K	Hold	3	–	–	﹤0.01%	3413
2013 Q4	$2K	Hold	3	–	–	﹤0.01%	3209
2013 Q3	$2K	Buy	+3	New	+$1.72K	﹤0.01%	3223

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

AllianceBernstein's ALT Position: Q2 2026 in Review

AllianceBernstein increased its Altimmune (ALT) stake by 96% in Q2 2026, buying an estimated $206K and bringing the position to 140,850 shares worth $434K. The position accounts for ﹤0.01% of the portfolio, ranked #2809.

AllianceBernstein first reported a position in ALT in Q3 2013 and has held it in 21 quarters since. The position peaked at $4.1M in Q2 2022. 210 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

AllianceBernstein held 140,850 shares of Altimmune worth $434K as of Q2 2026.
AllianceBernstein bought 69,090 Altimmune shares in Q2 2026, an estimated $206K.
Altimmune made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #2809 holding.
AllianceBernstein first reported a position in Altimmune in Q3 2013 and has held it in 21 quarters since.
AllianceBernstein's Altimmune position peaked at $4.1M in Q2 2022.
210 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

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