ProShare Advisors
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ProShare Advisors’s Altimmune ALT Stock Holding History

ProShare Advisors’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 		$75.5K Buy
24,523
+3,707
+18% +$15.7K ﹤0.01% 1745
2025
Q4 		$75.1K Buy
20,816
+3,735
+22% +$16.3K ﹤0.01% 1907
2025
Q3 		$64.4K Sell
17,081
-1,817
-10% -$7.02K ﹤0.01% 1903
2025
Q2 		$73.1K Buy
18,898
+50
+0.3% +$271 ﹤0.01% 1934
2025
Q1 		$94.2K Sell
18,848
-4,523
-19% -$28.7K ﹤0.01% 1844
2024
Q4 		$169K Buy
23,371
+9,950
+74% +$76K ﹤0.01% 1935
2024
Q3 		$82.4K Buy
+13,421
New +$90.9K ﹤0.01% 1912
2022
Q2 		– Sell
-11,650
Closed -$71K – 1800
2022
Q1 		$71K Sell
11,650
-3,627
-24% -$26.7K ﹤0.01% 2082
2021
Q4 		$139K Buy
15,277
+1,714
+13% +$18.2K ﹤0.01% 2143
2021
Q3 		$153K Sell
13,563
-1,757
-11% -$21.4K ﹤0.01% 1844
2021
Q2 		$151K Buy
+15,320
New +$209K ﹤0.01% 2214
2017
Q1 		– Sell
-33
Closed -$33K – 1565
2016
Q4 		$33K Buy
+33
New +$29.6K ﹤0.01% 1723

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

ProShare Advisors's ALT Position: Q1 2026 in Review

ProShare Advisors increased its Altimmune (ALT) stake by 18% in Q1 2026, buying an estimated $15.7K and bringing the position to 24,523 shares worth $75.5K. The position accounts for ﹤0.01% of the portfolio, ranked #1745.

ProShare Advisors first reported a position in ALT in Q4 2016 and has held it in 12 quarters since. The position peaked at $169K in Q4 2024. 173 funds tracked by Wall St. Rank hold ALT as of Q1 2026.

  • ProShare Advisors held 24,523 shares of Altimmune worth $75.5K as of Q1 2026.
  • ProShare Advisors bought 3,707 Altimmune shares in Q1 2026, an estimated $15.7K.
  • Altimmune made up ﹤0.01% of ProShare Advisors's portfolio in Q1 2026, its #1745 holding.
  • ProShare Advisors first reported a position in Altimmune in Q4 2016 and has held it in 12 quarters since.
  • ProShare Advisors's Altimmune position peaked at $169K in Q4 2024.
  • 173 funds tracked by Wall St. Rank held Altimmune as of Q1 2026.

Based on ProShare Advisors's 13F filing for Q1 2026, filed 27 Apr 2026.