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Atom Investors’s Onto Innovation ONTO Stock Holding History

Atom Investors’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 		$943K Sell
2,493
-15,059
-86% -$4.26M 0.08% 370
2026
Q1 		$3.6M Sell
17,552
-10,797
-38% -$2.21M 0.26% 122
2025
Q4 		$4.48M Sell
28,349
-6,874
-20% -$976K 0.36% 86
2025
Q3 		$4.55M Buy
35,223
+32,378
+1,138% +$3.47M 0.35% 86
2025
Q2 		$287K Buy
+2,845
New +$304K 0.03% 448
2025
Q1 		– Sell
-5,794
Closed -$966K – 609
2024
Q4 		$966K Buy
+5,794
New +$1.06M 0.12% 241

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

Atom Investors's ONTO Position: Q2 2026 in Review

Atom Investors reduced its Onto Innovation (ONTO) stake by 86% in Q2 2026, selling an estimated $4.26M and leaving 2,493 shares worth $943K. The position accounts for 0.08% of the portfolio, ranked #370.

Atom Investors first reported a position in ONTO in Q4 2024 and has held it in 6 quarters since. The position peaked at $4.55M in Q3 2025. 690 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.

  • Atom Investors held 2,493 shares of Onto Innovation worth $943K as of Q2 2026.
  • Atom Investors sold 15,059 Onto Innovation shares in Q2 2026, an estimated $4.26M.
  • Onto Innovation made up 0.08% of Atom Investors's portfolio in Q2 2026, its #370 holding.
  • Atom Investors first reported a position in Onto Innovation in Q4 2024 and has held it in 6 quarters since.
  • Atom Investors's Onto Innovation position peaked at $4.55M in Q3 2025.
  • 690 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.

Based on Atom Investors's 13F filing for Q2 2026, filed 14 Aug 2026.