Mariner
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Mariner’s Onto Innovation ONTO Stock Holding History

Mariner’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
Q2 		$7.28M Sell
19,236
-12,359
-39% -$3.5M 0.01% 875
2026
Q1 		$6.48M Buy
31,595
+9,614
+44% +$1.97M 0.01% 942
2025
Q4 		$3.47M Buy
21,981
+20,423
+1,311% +$2.9M ﹤0.01% 1188
2025
Q3 		$201K Sell
1,558
-1,443
-48% -$154K ﹤0.01% 3172
2025
Q2 		$303K Sell
3,001
-1,880
-39% -$201K ﹤0.01% 2717
2025
Q1 		$592K Buy
4,881
+103
+2% +$17.3K ﹤0.01% 2068
2024
Q4 		$796K Sell
4,778
-2,792
-37% -$510K ﹤0.01% 1815
2024
Q3 		$1.57M Sell
7,570
-32
-0.4% -$6.46K ﹤0.01% 1327
2024
Q2 		$1.67M Buy
7,602
+4,785
+170% +$989K ﹤0.01% 1202
2024
Q1 		$510K Sell
2,817
-595
-17% -$100K ﹤0.01% 2012
2023
Q4 		$522K Buy
3,412
+526
+18% +$70.8K ﹤0.01% 1909
2023
Q3 		$368K Buy
2,886
+324
+13% +$38.5K ﹤0.01% 1983
2023
Q2 		$298K Sell
2,562
-591
-19% -$56.4K ﹤0.01% 2122
2023
Q1 		$277K Buy
+3,153
New +$256K ﹤0.01% 2131
2022
Q4 		– Sell
-3,445
Closed -$221K – 2809
2022
Q3 		$221K Buy
+3,445
New +$253K ﹤0.01% 1993

Other funds holding ONTO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
PCMI
Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Mariner's ONTO Position: Q2 2026 in Review

Mariner reduced its Onto Innovation (ONTO) stake by 39% in Q2 2026, selling an estimated $3.5M and leaving 19,236 shares worth $7.28M. The position accounts for 0.01% of the portfolio, ranked #875.

Mariner first reported a position in ONTO in Q3 2022 and has held it in 15 quarters since. 690 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.

  • Mariner held 19,236 shares of Onto Innovation worth $7.28M as of Q2 2026.
  • Mariner sold 12,359 Onto Innovation shares in Q2 2026, an estimated $3.5M.
  • Onto Innovation made up 0.01% of Mariner's portfolio in Q2 2026, its #875 holding.
  • Mariner first reported a position in Onto Innovation in Q3 2022 and has held it in 15 quarters since.
  • 690 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.