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Ironwood Investment Management’s Onto Innovation ONTO Stock Holding History

Ironwood 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 		$1.17M Sell
5,688
-64
-1% -$13.1K 0.49% 62
2025
Q4 		$908K Sell
5,752
-12
-0.2% -$1.7K 0.38% 82
2025
Q3 		$745K Sell
5,764
-47
-0.8% -$5.03K 0.32% 95
2025
Q2 		$587K Buy
+5,811
New +$621K 0.29% 100

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

Ironwood Investment Management's ONTO Position: Q1 2026 in Review

Ironwood Investment Management reduced its Onto Innovation (ONTO) stake by 1.1% in Q1 2026, selling an estimated $13.1K and leaving 5,688 shares worth $1.17M. The position accounts for 0.49% of the portfolio, ranked #62.

Ironwood Investment Management first reported a position in ONTO in Q2 2025 and has held it in 4 quarters since. 575 funds tracked by Wall St. Rank hold ONTO as of Q1 2026.

  • Ironwood Investment Management held 5,688 shares of Onto Innovation worth $1.17M as of Q1 2026.
  • Ironwood Investment Management sold 64 Onto Innovation shares in Q1 2026, an estimated $13.1K.
  • Onto Innovation made up 0.49% of Ironwood Investment Management's portfolio in Q1 2026, its #62 holding.
  • Ironwood Investment Management first reported a position in Onto Innovation in Q2 2025 and has held it in 4 quarters since.
  • 575 funds tracked by Wall St. Rank held Onto Innovation as of Q1 2026.

Based on Ironwood Investment Management's 13F filing for Q1 2026, filed 15 May 2026.