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Emerald Advisers’s Onto Innovation ONTO Stock Holding History

Emerald Advisers’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 		$24.3M Sell
118,423
-4,190
-3% -$858K 0.77% 57
2025
Q4 		$19.4M Sell
122,613
-4,948
-4% -$703K 0.6% 78
2025
Q3 		$16.5M Sell
127,561
-2,589
-2% -$277K 0.53% 77
2025
Q2 		$13.1M Buy
+130,150
New +$13.9M 0.48% 81
2024
Q4 		– Sell
-71,192
Closed -$14.8M – 265
2024
Q3 		$14.8M Sell
71,192
-54,225
-43% -$10.9M 0.57% 71
2024
Q2 		$27.5M Sell
125,417
-29,835
-19% -$6.17M 1.15% 27
2024
Q1 		$28.1M Buy
155,252
+1,653
+1% +$279K 1.13% 26
2023
Q4 		$23.5M Buy
153,599
+71,329
+87% +$9.6M 1.01% 34
2023
Q3 		$10.5M Buy
+82,270
New +$9.78M 0.51% 86
2022
Q3 		– Sell
-286,688
Closed -$20M – 254
2022
Q2 		$20M Sell
286,688
-21,684
-7% -$1.6M 1.03% 31
2022
Q1 		$26.8M Sell
308,372
-88,683
-22% -$7.89M 1.02% 32
2021
Q4 		$40.2M Sell
397,055
-7,437
-2% -$642K 1.48% 11
2021
Q3 		$29.2M Sell
404,492
-42,624
-10% -$3.07M 1.06% 30
2021
Q2 		$32.7M Sell
447,116
-40,410
-8% -$2.78M 1.19% 24
2021
Q1 		$32M Sell
487,526
-22,356
-4% -$1.33M 1.16% 21
2020
Q4 		$24.2M Buy
509,882
+160,113
+46% +$6.42M 0.8% 49
2020
Q3 		$10.4M Sell
349,769
-11,132
-3% -$369K 0.43% 81
2020
Q2 		$12.3M Sell
360,901
-1,218
-0.3% -$39.6K 0.54% 70
2020
Q1 		$10.7M Buy
+362,119
New +$12.4M 0.62% 64

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

Emerald Advisers's ONTO Position: Q1 2026 in Review

Emerald Advisers reduced its Onto Innovation (ONTO) stake by 3.4% in Q1 2026, selling an estimated $858K and leaving 118,423 shares worth $24.3M. The position accounts for 0.77% of the portfolio, ranked #57.

Emerald Advisers first reported a position in ONTO in Q1 2020 and has held it in 19 quarters since. The position peaked at $40.2M in Q4 2021. 574 funds tracked by Wall St. Rank hold ONTO as of Q1 2026.

  • Emerald Advisers held 118,423 shares of Onto Innovation worth $24.3M as of Q1 2026.
  • Emerald Advisers sold 4,190 Onto Innovation shares in Q1 2026, an estimated $858K.
  • Onto Innovation made up 0.77% of Emerald Advisers's portfolio in Q1 2026, its #57 holding.
  • Emerald Advisers first reported a position in Onto Innovation in Q1 2020 and has held it in 19 quarters since.
  • Emerald Advisers's Onto Innovation position peaked at $40.2M in Q4 2021.
  • 574 funds tracked by Wall St. Rank held Onto Innovation as of Q1 2026.

Based on Emerald Advisers's 13F filing for Q1 2026, filed 4 May 2026.