Jefferies Financial Group’s Altimmune ALT Stock Holding History

Jefferies Financial Group’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 Q3	–	Sell	-110,000	Closed	-$334K	–	1289
2026 Q2	$334K	Hold	110,000	–	–	﹤0.01%	1357
2026 Q1	$339K	Sell	110,000 -47,800	-30%	-$203K	﹤0.01%	1345
2025 Q4	$570K	Buy	157,800 +107,800	+216%	+$470K	﹤0.01%	1295
2025 Q3	$188K	Buy	50,000 +15,000	+43%	+$57.9K	﹤0.01%	1290
2025 Q2	$135K	Buy	35,000 +10,000	+40%	+$54.1K	﹤0.01%	1160
2025 Q1	$125K	Hold	25,000	–	–	﹤0.01%	1447
2024 Q4	$180K	Buy	25,000 +5,000	+25%	+$38.2K	﹤0.01%	1396
2024 Q3	$123K	Hold	20,000	–	–	﹤0.01%	1268
2024 Q2	$133K	Buy	+20,000	New	+$148K	﹤0.01%	1268
2024 Q1	–	Sell	-216,000	Closed	-$2.43M	–	1578
2023 Q4	$2.43M	Buy	+216,000	New	+$902K	0.02%	635

Other funds holding ALT

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return

Hennion & Walsh Asset Management Parsippany, New Jersey $3.42B AUM 25.82% 1-Year Est. Return

Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Jefferies Financial Group's ALT Position: Q3 2026 in Review

Jefferies Financial Group sold out of Altimmune (ALT) in Q3 2026, closing a stake of 110,000 shares — an estimated $334K sold.

Jefferies Financial Group first reported a position in ALT in Q4 2023 and held it in 10 quarters. The position peaked at $2.43M in Q4 2023. 80 funds tracked by Wall St. Rank hold ALT as of Q3 2026.

Jefferies Financial Group reported no remaining Altimmune position as of Q3 2026 after selling out during the quarter.
Jefferies Financial Group sold 110,000 Altimmune shares in Q3 2026, an estimated $334K.
Jefferies Financial Group first reported a position in Altimmune in Q4 2023 and held it in 10 quarters.
Jefferies Financial Group's Altimmune position peaked at $2.43M in Q4 2023.
80 funds tracked by Wall St. Rank held Altimmune as of Q3 2026.

Based on Jefferies Financial Group's 13F filing for Q3 2026, filed 5 Nov 2026.