California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Onto Innovation ONTO Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio ONTO Stock Details ONTO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$11.6M Buy
56,775
+10,271
+22% +$2.1M 0.01% 647
2025
Q4 		$7.34M Sell
46,504
-1,009
-2% -$143K 0.01% 762
2025
Q3 		$6.14M Buy
47,513
+2
+0% +$214 0.01% 826
2025
Q2 		$4.8M Hold
47,511
– – 0.01% 925
2025
Q1 		$5.76M Buy
47,511
+1,334
+3% +$225K 0.01% 810
2024
Q4 		$7.7M Sell
46,177
-440
-0.9% -$80.4K 0.01% 714
2024
Q3 		$9.68M Sell
46,617
-1,348
-3% -$272K 0.01% 644
2024
Q2 		$10.5M Sell
47,965
-1,294
-3% -$267K 0.01% 621
2024
Q1 		$8.92M Sell
49,259
-2,515
-5% -$425K 0.01% 674
2023
Q4 		$7.92M Sell
51,774
-2,333
-4% -$314K 0.01% 702
2023
Q3 		$6.9M Sell
54,107
-5,177
-9% -$615K 0.01% 743
2023
Q2 		$6.9M Sell
59,284
-2,665
-4% -$254K 0.01% 792
2023
Q1 		$5.44M Sell
61,949
-1,072
-2% -$86.9K 0.01% 901
2022
Q4 		$4.29M Buy
63,021
+799
+1% +$57.4K 0.01% 1030
2022
Q3 		$3.98M Sell
62,222
-1,079
-2% -$79.3K 0.01% 1035
2022
Q2 		$4.42M Buy
63,301
+502
+0.8% +$37.1K 0.01% 1023
2022
Q1 		$5.46M Sell
62,799
-5,415
-8% -$482K 0.01% 1011
2021
Q4 		$6.91M Buy
68,214
+1,777
+3% +$153K 0.01% 958
2021
Q3 		$4.8M Sell
66,437
-690
-1% -$49.8K 0.01% 1157
2021
Q2 		$4.9M Sell
67,127
-4,540
-6% -$312K 0.01% 1184
2021
Q1 		$4.71M Sell
71,667
-85
-0.1% -$5.06K 0.01% 1227
2020
Q4 		$3.41M Buy
71,752
+29
+0% +$1.16K ﹤0.01% 1345
2020
Q3 		$2.14M Buy
71,723
+196
+0.3% +$6.5K ﹤0.01% 1466
2020
Q2 		$2.44M Sell
71,527
-1,632
-2% -$53K ﹤0.01% 1355
2020
Q1 		$2.17M Sell
73,159
-363
-0.5% -$12.4K ﹤0.01% 1247
2019
Q4 		$2.69M Buy
73,522
+36,893
+101% +$1.25M ﹤0.01% 1393
2019
Q3 		$1.2M Buy
36,629
+866
+2% +$27K ﹤0.01% 1822
2019
Q2 		$1.24M Buy
35,763
+618
+2% +$19.8K ﹤0.01% 1837
2019
Q1 		$1.08M Sell
35,145
-1,601
-4% -$47.1K ﹤0.01% 1891
2018
Q4 		$1M Buy
36,746
+1,885
+5% +$58.1K ﹤0.01% 1907
2018
Q3 		$1.31M Buy
34,861
+342
+1% +$13.4K ﹤0.01% 1887
2018
Q2 		$1.22M Sell
34,519
-2,629
-7% -$90.1K ﹤0.01% 1930
2018
Q1 		$999K Sell
37,148
-788
-2% -$21.1K ﹤0.01% 1982
2017
Q4 		$945K Sell
37,936
-593
-2% -$15.8K ﹤0.01% 2039
2017
Q3 		$1.11M Sell
38,529
-4,063
-10% -$107K ﹤0.01% 1946
2017
Q2 		$1.08M Sell
42,592
-4,035
-9% -$114K ﹤0.01% 2013
2017
Q1 		$1.42M Sell
46,627
-2,200
-5% -$59.6K ﹤0.01% 1850
2016
Q4 		$1.22M Sell
48,827
-1,300
-3% -$29.8K ﹤0.01% 1985
2016
Q3 		$1.12M Buy
50,127
+500
+1% +$10.5K ﹤0.01% 2000
2016
Q2 		$1.03M Sell
49,627
-1,221
-2% -$21.5K ﹤0.01% 2008
2016
Q1 		$805K Buy
50,848
+6,387
+14% +$89.3K ﹤0.01% 2139
2015
Q4 		$673K Buy
44,461
+757
+2% +$11K ﹤0.01% 2239
2015
Q3 		$531K Sell
43,704
-100
-0.2% -$1.42K ﹤0.01% 2382
2015
Q2 		$706K Buy
43,804
+155
+0.4% +$2.42K ﹤0.01% 2330
2015
Q1 		$734K Sell
43,649
-700
-2% -$12K ﹤0.01% 2217
2014
Q4 		$746K Buy
44,349
+189
+0.4% +$2.81K ﹤0.01% 2245
2014
Q3 		$667K Buy
44,160
+550
+1% +$9.22K ﹤0.01% 2266
2014
Q2 		$796K Buy
43,610
+1,800
+4% +$30.5K ﹤0.01% 2220
2014
Q1 		$751K Hold
41,810
– – ﹤0.01% 2172
2013
Q4 		$796K Buy
41,810
+200
+0.5% +$3.51K ﹤0.01% 2130
2013
Q3 		$671K Buy
41,610
+1,336
+3% +$20.1K ﹤0.01% 2185
2013
Q2 		$591K Buy
+40,274
New +$582K ﹤0.01% 2190

Other funds holding ONTO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
PCMI
Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $96.1B AUM 40.06% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

California State Teachers Retirement System (CalSTRS) increased its Onto Innovation (ONTO) stake by 22% in Q1 2026, buying an estimated $2.1M and bringing the position to 56,775 shares worth $11.6M. The position accounts for 0.01% of the portfolio, ranked #647.

California State Teachers Retirement System (CalSTRS) first reported a position in ONTO in Q2 2013 and has held it in 52 quarters since. 574 funds tracked by Wall St. Rank hold ONTO as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 56,775 shares of Onto Innovation worth $11.6M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) bought 10,271 Onto Innovation shares in Q1 2026, an estimated $2.1M.
  • Onto Innovation made up 0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #647 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Onto Innovation in Q2 2013 and has held it in 52 quarters since.
  • 574 funds tracked by Wall St. Rank held Onto Innovation as of Q1 2026.

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