T. Rowe Price Investment Management
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T. Rowe Price Investment Management’s Onto Innovation ONTO Stock Holding History

T. Rowe Price Investment Management’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 		$85.1M Buy
414,786
+84,371
+26% +$17.3M 0.06% 278
2025
Q4 		$52.2M Buy
+330,415
New +$46.9M 0.03% 358
2025
Q3 		– Sell
-984,457
Closed -$99.4M – 915
2025
Q2 		$99.4M Buy
984,457
+969,112
+6,315% +$104M 0.06% 280
2025
Q1 		$1.86M Sell
15,345
-118,816
-89% -$20M ﹤0.01% 605
2024
Q4 		$22.4M Sell
134,161
-457,917
-77% -$83.7M 0.01% 504
2024
Q3 		$123M Sell
592,078
-845,057
-59% -$171M 0.07% 260
2024
Q2 		$316M Sell
1,437,135
-460,539
-24% -$95.2M 0.2% 121
2024
Q1 		$344M Sell
1,897,674
-90,041
-5% -$15.2M 0.21% 123
2023
Q4 		$304M Sell
1,987,715
-10,255
-0.5% -$1.38M 0.2% 131
2023
Q3 		$255M Buy
1,997,970
+146,287
+8% +$17.4M 0.18% 146
2023
Q2 		$216M Sell
1,851,683
-40,853
-2% -$3.9M 0.15% 159
2023
Q1 		$166M Buy
1,892,536
+542
+0% +$44K 0.12% 180
2022
Q4 		$129M Buy
1,891,994
+239,310
+14% +$17.2M 0.1% 209
2022
Q3 		$106M Buy
+1,652,684
New +$121M 0.08% 232

Other funds holding ONTO

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

T. Rowe Price Investment Management's ONTO Position: Q1 2026 in Review

T. Rowe Price Investment Management increased its Onto Innovation (ONTO) stake by 26% in Q1 2026, buying an estimated $17.3M and bringing the position to 414,786 shares worth $85.1M. The position accounts for 0.06% of the portfolio, ranked #278.

T. Rowe Price Investment Management first reported a position in ONTO in Q3 2022 and has held it in 14 quarters since. The position peaked at $344M in Q1 2024. 578 funds tracked by Wall St. Rank hold ONTO as of Q1 2026.

  • T. Rowe Price Investment Management held 414,786 shares of Onto Innovation worth $85.1M as of Q1 2026.
  • T. Rowe Price Investment Management bought 84,371 Onto Innovation shares in Q1 2026, an estimated $17.3M.
  • Onto Innovation made up 0.06% of T. Rowe Price Investment Management's portfolio in Q1 2026, its #278 holding.
  • T. Rowe Price Investment Management first reported a position in Onto Innovation in Q3 2022 and has held it in 14 quarters since.
  • T. Rowe Price Investment Management's Onto Innovation position peaked at $344M in Q1 2024.
  • 578 funds tracked by Wall St. Rank held Onto Innovation as of Q1 2026.

Based on T. Rowe Price Investment Management's 13F filing for Q1 2026, filed 15 May 2026.