Boston Partners’s Onto Innovation ONTO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$63.7M Sell
168,339
-13,254
-7% -$3.75M 0.06% 252
2026
Q1
$37.2M Sell
181,593
-72,756
-29% -$14.9M 0.04% 291
2025
Q4
$40.2M Buy
+254,349
New +$36.1M 0.04% 287

Other funds holding ONTO

Boston Partners's ONTO Position: Q2 2026 in Review

Boston Partners reduced its Onto Innovation (ONTO) stake by 7.3% in Q2 2026, selling an estimated $3.75M and leaving 168,339 shares worth $63.7M. The position accounts for 0.06% of the portfolio, ranked #252.

Boston Partners first reported a position in ONTO in Q4 2025 and has held it in 3 quarters since. 688 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.

  • Boston Partners held 168,339 shares of Onto Innovation worth $63.7M as of Q2 2026.
  • Boston Partners sold 13,254 Onto Innovation shares in Q2 2026, an estimated $3.75M.
  • Onto Innovation made up 0.06% of Boston Partners's portfolio in Q2 2026, its #252 holding.
  • Boston Partners first reported a position in Onto Innovation in Q4 2025 and has held it in 3 quarters since.
  • 688 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.