RhumbLine Advisers
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RhumbLine Advisers’s Altimmune ALT Stock Holding History

RhumbLine Advisers’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 		$941K Buy
309,606
+153,935
+99% +$460K ﹤0.01% 2353
2026
Q1 		$479K Buy
155,671
+34,158
+28% +$145K ﹤0.01% 2642
2025
Q4 		$439K Sell
121,513
-9,230
-7% -$40.2K ﹤0.01% 2750
2025
Q3 		$493K Buy
130,743
+16,762
+15% +$64.7K ﹤0.01% 2712
2025
Q2 		$441K Buy
113,981
+7,462
+7% +$40.4K ﹤0.01% 2763
2025
Q1 		$533K Buy
106,519
+1,643
+2% +$10.4K ﹤0.01% 2539
2024
Q4 		$756K Sell
104,876
-4,343
-4% -$33.2K ﹤0.01% 2399
2024
Q3 		$671K Buy
109,219
+1,773
+2% +$12K ﹤0.01% 2512
2024
Q2 		$715K Buy
107,446
+22,034
+26% +$163K ﹤0.01% 2431
2024
Q1 		$869K Buy
85,412
+3,998
+5% +$40.7K ﹤0.01% 2326
2023
Q4 		$916K Buy
81,414
+4,051
+5% +$16.9K ﹤0.01% 2309
2023
Q3 		$201K Buy
77,363
+2,291
+3% +$6.57K ﹤0.01% 3158
2023
Q2 		$265K Buy
+75,072
New +$337K ﹤0.01% 3084
2022
Q2 		– Sell
-50,234
Closed -$306K – 3095
2022
Q1 		$306K Buy
50,234
+2,094
+4% +$15.4K ﹤0.01% 2640
2021
Q4 		$441K Buy
48,140
+1,958
+4% +$20.8K ﹤0.01% 2564
2021
Q3 		$522K Buy
46,182
+4,021
+10% +$48.9K ﹤0.01% 2522
2021
Q2 		$415K Buy
+42,161
New +$577K ﹤0.01% 2648
2017
Q2 		– Sell
-177
Closed -$43K – 2923
2017
Q1 		$43K Buy
177
+5
+3% +$2.67K ﹤0.01% 2826
2016
Q4 		$167K Buy
172
+15
+10% +$13.4K ﹤0.01% 2714
2016
Q3 		$137K Buy
157
+31
+25% +$24.3K ﹤0.01% 2762
2016
Q2 		$92K Buy
+126
New +$86.2K ﹤0.01% 2924

Other funds holding ALT

BlackRock
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
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Viking Global Investors
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
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

RhumbLine Advisers's ALT Position: Q2 2026 in Review

RhumbLine Advisers increased its Altimmune (ALT) stake by 99% in Q2 2026, buying an estimated $460K and bringing the position to 309,606 shares worth $941K. The position accounts for ﹤0.01% of the portfolio, ranked #2353.

RhumbLine Advisers first reported a position in ALT in Q2 2016 and has held it in 21 quarters since. 210 funds tracked by Wall St. Rank hold ALT as of Q2 2026.

  • RhumbLine Advisers held 309,606 shares of Altimmune worth $941K as of Q2 2026.
  • RhumbLine Advisers bought 153,935 Altimmune shares in Q2 2026, an estimated $460K.
  • Altimmune made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #2353 holding.
  • RhumbLine Advisers first reported a position in Altimmune in Q2 2016 and has held it in 21 quarters since.
  • 210 funds tracked by Wall St. Rank held Altimmune as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.