4A
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4D Advisors’s Onto Innovation ONTO Stock Holding History

4D Advisors’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 		$4.92M Sell
13,000
-17,000
-57% -$4.81M 1.89% 28
2026
Q1 		$6.15M Hold
30,000
– – 3.9% 6
2025
Q4 		$4.74M Sell
30,000
-40,000
-57% -$5.68M 2.6% 14
2025
Q3 		$9.05M Buy
70,000
+40,000
+133% +$4.28M 4.82% 5
2025
Q2 		$3.03M Buy
+30,000
New +$3.2M 1.63% 29
2025
Q1 		– Sell
-25,000
Closed -$4.17M – 44
2024
Q4 		$4.17M Buy
+25,000
New +$4.57M 2.9% 14

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

4D Advisors's ONTO Position: Q2 2026 in Review

4D Advisors reduced its Onto Innovation (ONTO) stake by 57% in Q2 2026, selling an estimated $4.81M and leaving 13,000 shares worth $4.92M. The position accounts for 1.89% of the portfolio, ranked #28.

4D Advisors first reported a position in ONTO in Q4 2024 and has held it in 6 quarters since. The position peaked at $9.05M in Q3 2025. 690 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.

  • 4D Advisors held 13,000 shares of Onto Innovation worth $4.92M as of Q2 2026.
  • 4D Advisors sold 17,000 Onto Innovation shares in Q2 2026, an estimated $4.81M.
  • Onto Innovation made up 1.89% of 4D Advisors's portfolio in Q2 2026, its #28 holding.
  • 4D Advisors first reported a position in Onto Innovation in Q4 2024 and has held it in 6 quarters since.
  • 4D Advisors's Onto Innovation position peaked at $9.05M in Q3 2025.
  • 690 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.

Based on 4D Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.