California State Teachers Retirement System (CalSTRS)
IAS

California State Teachers Retirement System (CalSTRS)’s Integral Ad Science IAS Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio IAS Stock Details IAS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-74,877
Closed -$761K – 3065
2025
Q3 		$761K Buy
74,877
+3
+0% +$26 ﹤0.01% 1902
2025
Q2 		$622K Hold
74,874
– – ﹤0.01% 1959
2025
Q1 		$603K Hold
74,874
– – ﹤0.01% 1964
2024
Q4 		$782K Buy
74,874
+6,564
+10% +$72K ﹤0.01% 1905
2024
Q3 		$738K Sell
68,310
-1,735
-2% -$18.6K ﹤0.01% 1936
2024
Q2 		$681K Sell
70,045
-787
-1% -$7.53K ﹤0.01% 1943
2024
Q1 		$706K Buy
70,832
+13,997
+25% +$187K ﹤0.01% 1985
2023
Q4 		$818K Sell
56,835
-1,657
-3% -$22.2K ﹤0.01% 1941
2023
Q3 		$695K Buy
58,492
+11,941
+26% +$185K ﹤0.01% 2000
2023
Q2 		$837K Buy
46,551
+32,353
+228% +$546K ﹤0.01% 2032
2023
Q1 		$203K Sell
14,198
-1,048
-7% -$11.8K ﹤0.01% 2570
2022
Q4 		$134K Buy
15,246
+172
+1% +$1.46K ﹤0.01% 2692
2022
Q3 		$109K Sell
15,074
-1,256
-8% -$11.2K ﹤0.01% 2791
2022
Q2 		$162K Buy
16,330
+2,582
+19% +$30.8K ﹤0.01% 2731
2022
Q1 		$190K Buy
13,748
+4,575
+50% +$77.9K ﹤0.01% 2666
2021
Q4 		$204K Hold
9,173
– – ﹤0.01% 2781
2021
Q3 		$189K Buy
+9,173
New +$181K ﹤0.01% 2763

Other funds holding IAS

IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s IAS Position: Q4 2025 in Review

California State Teachers Retirement System (CalSTRS) sold out of Integral Ad Science (IAS) in Q4 2025, closing a stake of 74,877 shares — an estimated $761K sold.

California State Teachers Retirement System (CalSTRS) first reported a position in IAS in Q3 2021 and held it in 17 quarters. The position peaked at $837K in Q2 2023. 2 funds tracked by Wall St. Rank hold IAS as of Q4 2025.

  • California State Teachers Retirement System (CalSTRS) reported no remaining Integral Ad Science position as of Q4 2025 after selling out during the quarter.
  • California State Teachers Retirement System (CalSTRS) sold 74,877 Integral Ad Science shares in Q4 2025, an estimated $761K.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Integral Ad Science in Q3 2021 and held it in 17 quarters.
  • California State Teachers Retirement System (CalSTRS)'s Integral Ad Science position peaked at $837K in Q2 2023.
  • 2 funds tracked by Wall St. Rank held Integral Ad Science as of Q4 2025.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q4 2025, filed 17 Feb 2026.