Acadian Asset Management
ALT icon

Acadian Asset Management’s Altimmune ALT Stock Holding History

Acadian Asset 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
Q1 		$22K Sell
7,311
-28,421
-80% -$121K ﹤0.01% 1937
2025
Q4 		$128K Buy
+35,732
New +$156K ﹤0.01% 1626
2024
Q4 		– Sell
-2,506
Closed -$15K – 1606
2024
Q3 		$15K Buy
+2,506
New +$17K ﹤0.01% 2007
2023
Q2 		– Sell
-1
Closed – – 1708
2023
Q1 		$0 Hold
1
– – ﹤0.01% 1723
2022
Q4 		$0 Buy
+1
New +$11 ﹤0.01% 1762
2019
Q2 		– Sell
-127,334
Closed -$369K – 1751
2019
Q1 		$369K Buy
+127,334
New +$380K ﹤0.01% 1192
2018
Q3 		– Hold
0
– – – 1652
2018
Q2 		– Sell
-3,591
Closed -$70.7K – 1683
2018
Q1 		$125K Buy
3,591
+1,809
+102% +$90.7K ﹤0.01% 1168
2017
Q4 		$106K Buy
1,782
+332
+23% +$21.2K ﹤0.01% 1080
2017
Q3 		$101K Sell
1,450
-1,259
-46% -$93.7K ﹤0.01% 1004
2017
Q2 		$260K Sell
2,709
-694
-20% -$115K ﹤0.01% 921
2017
Q1 		$828K Buy
3,403
+831
+32% +$445K ﹤0.01% 797
2016
Q4 		$2.51M Buy
+2,572
New +$2.3M 0.01% 543

Other funds holding ALT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Acadian Asset Management's ALT Position: Q1 2026 in Review

Acadian Asset Management reduced its Altimmune (ALT) stake by 80% in Q1 2026, selling an estimated $121K and leaving 7,311 shares worth $22K. The position accounts for ﹤0.01% of the portfolio, ranked #1937.

Acadian Asset Management first reported a position in ALT in Q4 2016 and has held it in 12 quarters since. The position peaked at $2.51M in Q4 2016. 173 funds tracked by Wall St. Rank hold ALT as of Q1 2026.

  • Acadian Asset Management held 7,311 shares of Altimmune worth $22K as of Q1 2026.
  • Acadian Asset Management sold 28,421 Altimmune shares in Q1 2026, an estimated $121K.
  • Altimmune made up ﹤0.01% of Acadian Asset Management's portfolio in Q1 2026, its #1937 holding.
  • Acadian Asset Management first reported a position in Altimmune in Q4 2016 and has held it in 12 quarters since.
  • Acadian Asset Management's Altimmune position peaked at $2.51M in Q4 2016.
  • 173 funds tracked by Wall St. Rank held Altimmune as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.