Rafferty Asset Management’s Onto Innovation ONTO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
Sell
-639,566
Closed -$64.6M 1128
2025
Q2
$64.6M Buy
639,566
+246,359
+63% +$26.3M 0.21% 65
2025
Q1
$47.7M Sell
393,207
-29,249
-7% -$4.92M 0.2% 66
2024
Q4
$70.4M Sell
422,456
-9,800
-2% -$1.79M 0.25% 53
2024
Q3
$89.7M Buy
432,256
+431,044
+35,565% +$87M 0.31% 44
2024
Q2
$266K Buy
+1,212
New +$251K ﹤0.01% 1077

Other funds holding ONTO

Rafferty Asset Management's ONTO Position: Q3 2025 in Review

Rafferty Asset Management sold out of Onto Innovation (ONTO) in Q3 2025, closing a stake of 639,566 shares — an estimated $64.6M sold.

Rafferty Asset Management first reported a position in ONTO in Q2 2024 and held it in 5 quarters. The position peaked at $89.7M in Q3 2024. 476 funds tracked by Wall St. Rank hold ONTO as of Q3 2025.

  • Rafferty Asset Management reported no remaining Onto Innovation position as of Q3 2025 after selling out during the quarter.
  • Rafferty Asset Management sold 639,566 Onto Innovation shares in Q3 2025, an estimated $64.6M.
  • Rafferty Asset Management first reported a position in Onto Innovation in Q2 2024 and held it in 5 quarters.
  • Rafferty Asset Management's Onto Innovation position peaked at $89.7M in Q3 2024.
  • 476 funds tracked by Wall St. Rank held Onto Innovation as of Q3 2025.

Based on Rafferty Asset Management's 13F filing for Q3 2025, filed 12 Nov 2025.