California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Altimmune ALT Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$21.9K Buy
7,124
+1,663
+30% +$7.06K ﹤0.01% 2403
2025
Q4 		$19.7K Buy
5,461
+617
+13% +$2.69K ﹤0.01% 2523
2025
Q3 		$18.3K Sell
4,844
-302
-6% -$1.17K ﹤0.01% 2590
2025
Q2 		$19.9K Sell
5,146
-61,276
-92% -$332K ﹤0.01% 2495
2025
Q1 		$332K Hold
66,422
– – ﹤0.01% 2210
2024
Q4 		$479K Sell
66,422
-542
-0.8% -$4.14K ﹤0.01% 2130
2024
Q3 		$411K Sell
66,964
-2,445
-4% -$16.6K ﹤0.01% 2203
2024
Q2 		$462K Buy
69,409
+15,679
+29% +$116K ﹤0.01% 2127
2024
Q1 		$547K Buy
53,730
+45,032
+518% +$458K ﹤0.01% 2107
2023
Q4 		$97.9K Sell
8,698
-2,209
-20% -$9.22K ﹤0.01% 2489
2023
Q3 		$28.4K Sell
10,907
-5,536
-34% -$15.9K ﹤0.01% 2916
2023
Q2 		$58K Sell
16,443
-26,664
-62% -$120K ﹤0.01% 2865
2023
Q1 		$182K Buy
43,107
+523
+1% +$6.21K ﹤0.01% 2590
2022
Q4 		$701K Buy
+42,584
New +$478K ﹤0.01% 2146
2022
Q2 		– Sell
-16,943
Closed -$103K – 3134
2022
Q1 		$103K Sell
16,943
-4,475
-21% -$33K ﹤0.01% 2859
2021
Q4 		$196K Hold
21,418
– – ﹤0.01% 2797
2021
Q3 		$242K Sell
21,418
-23,419
-52% -$285K ﹤0.01% 2670
2021
Q2 		$442K Buy
+44,837
New +$613K ﹤0.01% 2706
2017
Q2 		– Sell
-427
Closed -$104K – 3010
2017
Q1 		$104K Sell
427
-1
-0.2% -$535 ﹤0.01% 2922
2016
Q4 		$417K Sell
428
-12
-3% -$10.8K ﹤0.01% 2612
2016
Q3 		$383K Buy
440
+4
+0.9% +$3.14K ﹤0.01% 2630
2016
Q2 		$319K Buy
+436
New +$298K ﹤0.01% 2726

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

California State Teachers Retirement System (CalSTRS)'s ALT Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its Altimmune (ALT) stake by 30% in Q1 2026, buying an estimated $7.06K and bringing the position to 7,124 shares worth $21.9K. The position accounts for ﹤0.01% of the portfolio, ranked #2403.

California State Teachers Retirement System (CalSTRS) first reported a position in ALT in Q2 2016 and has held it in 22 quarters since. The position peaked at $701K in Q4 2022. 173 funds tracked by Wall St. Rank hold ALT as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 7,124 shares of Altimmune worth $21.9K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) bought 1,663 Altimmune shares in Q1 2026, an estimated $7.06K.
  • Altimmune made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #2403 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Altimmune in Q2 2016 and has held it in 22 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Altimmune position peaked at $701K in Q4 2022.
  • 173 funds tracked by Wall St. Rank held Altimmune as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.