California State Teachers Retirement System (CalSTRS)
DUOL icon

California State Teachers Retirement System (CalSTRS)’s Duolingo DUOL Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio DUOL Stock Details DUOL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$5.12M Buy
44,511
+2,791
+7% +$306K ﹤0.01% 1076
2026
Q1 		$4.11M Buy
41,720
+7,700
+23% +$949K ﹤0.01% 1110
2025
Q4 		$5.97M Buy
34,020
+381
+1% +$89.8K 0.01% 838
2025
Q3 		$10.8M Buy
33,639
+319
+1% +$107K 0.01% 612
2025
Q2 		$13.7M Buy
33,320
+1,302
+4% +$571K 0.02% 556
2025
Q1 		$9.94M Buy
32,018
+240
+0.8% +$82.1K 0.01% 612
2024
Q4 		$10.3M Buy
31,778
+1,635
+5% +$520K 0.01% 619
2024
Q3 		$8.5M Sell
30,143
-710
-2% -$146K 0.01% 678
2024
Q2 		$6.44M Buy
30,853
+471
+2% +$96.4K 0.01% 773
2024
Q1 		$6.7M Sell
30,382
-1,272
-4% -$259K 0.01% 789
2023
Q4 		$7.18M Sell
31,654
-799
-2% -$155K 0.01% 752
2023
Q3 		$5.38M Buy
32,453
+234
+0.7% +$34.4K 0.01% 837
2023
Q2 		$4.61M Buy
32,219
+6,780
+27% +$972K 0.01% 1010
2023
Q1 		$3.63M Buy
25,439
+59
+0.2% +$6.06K 0.01% 1116
2022
Q4 		$1.81M Buy
25,380
+1,850
+8% +$144K ﹤0.01% 1537
2022
Q3 		$2.24M Buy
23,530
+5,730
+32% +$558K ﹤0.01% 1363
2022
Q2 		$1.56M Buy
17,800
+11,757
+195% +$1.04M ﹤0.01% 1654
2022
Q1 		$575K Buy
6,043
+599
+11% +$54.1K ﹤0.01% 2345
2021
Q4 		$578K Buy
+5,444
New +$750K ﹤0.01% 2454

Other funds holding DUOL

Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
SOMRS
State of Michigan Retirement System Lansing, Michigan $22.6B AUM 40.24% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s DUOL Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its Duolingo (DUOL) stake by 6.7% in Q2 2026, buying an estimated $306K and bringing the position to 44,511 shares worth $5.12M. The position accounts for ﹤0.01% of the portfolio, ranked #1076.

California State Teachers Retirement System (CalSTRS) first reported a position in DUOL in Q4 2021 and has held it in 19 quarters since. The position peaked at $13.7M in Q2 2025. 435 funds tracked by Wall St. Rank hold DUOL as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 44,511 shares of Duolingo worth $5.12M as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) bought 2,791 Duolingo shares in Q2 2026, an estimated $306K.
  • Duolingo made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #1076 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Duolingo in Q4 2021 and has held it in 19 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Duolingo position peaked at $13.7M in Q2 2025.
  • 435 funds tracked by Wall St. Rank held Duolingo as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.