Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Security record · archived quarter

ONTO

Onto Innovation Inc. · Technology · Semiconductors

291.62 +3.1% mkt cap $14.51B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
14Tracked holders
-3Δ holders
5.27MShares held
$639.54MReported value
+0New positions
−3Exits
Strongly Falling Conviction score 21/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -17.6% · share flow -2.4% · net new positions -20.0%formula
Broad distribution — falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 139 +4 32.62M $12.27B +11 −7
Q1 2026 138 +5 31.96M $6.54B +9 −5
Q4 2025 134 -1 33.75M $5.33B +1 −1
Q3 2025 22 +2 22.00M $2.84B +3 −2
Q2 2025 18 +1 20.76M $2.10B +2 −1
Q1 2025 14 -3 5.27M $639.54M −3
Q4 2024 17 +1 5.40M $900.43M +1
Q3 2024 15 +1 4.15M $861.79M +1
Q2 2024 14 4.70M $1.03B
Holder count
Who holds it · Q1 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 1.52M -0.4% $184.31M 0.0% ▼ Trim 2 SEC ↗
2 Geode Capital Management (passive) 879.43K +5.3% $106.74M 0.0% ▲ Add 4 SEC ↗
3 Geode Capital Management (passive) 879.43K +5.3% $106.74M 0.0% ▲ Add 4 SEC ↗
4 Norges Bank (passive) 602.22K +14.1% $73.07M 0.0% ▲ Add 4 SEC ↗
5 Fisher Asset Management 583.45K -16.0% $70.80M 0.0% ▼ Trim 4 SEC ↗
6 T. Rowe Price 515.17K -1.6% $62.51M 0.0% ▼ Trim 4 SEC ↗
7 T. Rowe Price 515.17K -1.6% $62.51M 0.0% ▼ Trim 4 SEC ↗
8 Wellington Management 489.41K +12.6% $59.39M 0.0% ▲ Add 4 SEC ↗
9 Wellington Management 489.41K +12.6% $59.39M 0.0% ▲ Add 4 SEC ↗
10 Wellington Management 489.41K +12.6% $59.39M 0.0% ▲ Add 4 SEC ↗
11 D. E. Shaw & Co. 221.07K -0.6% $26.82M 0.0% ▼ Trim 4 SEC ↗
12 D. E. Shaw & Co. 221.07K -0.6% $26.82M 0.0% ▼ Trim 4 SEC ↗
13 Bridgewater Associates 211.69K +462.0% $25.69M 0.1% ▲ Add 4 SEC ↗
14 Millennium Management 149.11K -2.1% $18.09M 0.0% ▼ Trim 4 SEC ↗
15 Marshall Wace 66.57K -71.7% $8.08M 0.0% ▼ Trim 4 SEC ↗
16 Marshall Wace 66.57K -71.7% $8.08M 0.0% ▼ Trim 4 SEC ↗
17 AQR Capital Management 17.52K -58.1% $2.06M 0.0% ▼ Trim 4 SEC ↗
18 AQR Capital Management 17.52K -58.1% $2.06M 0.0% ▼ Trim 4 SEC ↗
19 AQR Capital Management 17.52K -58.1% $2.06M 0.0% ▼ Trim 4 SEC ↗
20 AQR Capital Management 17.52K -58.1% $2.06M 0.0% ▼ Trim 4 SEC ↗
21 AQR Capital Management 17.52K -58.1% $2.06M 0.0% ▼ Trim 4 SEC ↗
22 Gotham Asset Management 7.83K -50.7% $950,456 0.0% ▼ Trim 3 SEC ↗
23 Two Sigma Investments 5.28K +176.7% $641,039 0.0% ▲ Add 4 SEC ↗
24 Citadel Advisors 3.12K -86.9% $377,974 0.0% ▼ Trim 4 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

Point72 Asset Management $13.34M was 0.0%
Arrowstreet Capital $7.75M was 0.0%
Renaissance Technologies $600,012 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 7.50K shares, $1,538 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 21 Lynch Susan D

Director · 1.00K sh · $302,300

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2025 · Methodology · Get this via the API