Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ONTO held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.5M | $1.13B | +12.2% | 11.126% | 0.02% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7M | $562.5M | — | 5.514% | 0.03% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.2M | $455.8M | — | 4.469% | 0.01% |
| 4 | STATE STREET CORP | 1.5M | $307.6M | +2.8% | 3.015% | 0.01% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $248.4M | +7.4% | 2.434% | 0.02% |
| 6 | Point72 Asset Management, L.P. | 1.2M | $246.8M | +212.8% | 2.420% | 0.35% |
| 7 | PARADIGM CAPITAL MANAGEMENT INC/NY | 1.1M | $226.1M | -2.1% | 2.216% | 8.65% |
| 8 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 964K | $197.7M | -44.1% | 1.938% | 0.65% |
| 9 | VOYA INVESTMENT MANAGEMENT LLC | 917K | $187.8M | -5.6% | 1.844% | 0.20% |
| 10 | FMR LLC | 829K | $170.0M | +83.7% | 1.666% | 0.01% |
| 11 | D. E. Shaw & Co., Inc. | 723K | $148.2M | +39.7% | 1.453% | 0.14% |
| 12 | GENEVA CAPITAL MANAGEMENT LLC | 706K | $144.8M | -15.1% | 1.419% | 3.08% |
| 13 | DIMENSIONAL FUND ADVISORS LP | 678K | $138.9M | +4.3% | 1.362% | 0.03% |
| 14 | Fisher Asset Management, LLC | 650K | $133.3M | -7.4% | 1.307% | 0.05% |
| 15 | Invesco Ltd. | 633K | $129.8M | +398.5% | 1.272% | 0.02% |
| 16 | AQR CAPITAL MANAGEMENT LLC | 591K | $121.2M | -4.0% | 1.188% | 0.06% |
| 17 | FRANKLIN RESOURCES INC | 579K | $118.8M | -57.2% | 1.164% | 0.03% |
| 18 | Bank of New York Mellon Corp | 568K | $116.4M | -5.5% | 1.141% | 0.02% |
| 19 | JENNISON ASSOCIATES LLC | 564K | $115.7M | -17.1% | 1.134% | 0.08% |
| 20 | WELLINGTON MANAGEMENT GROUP LLP | 544K | $111.5M | -55.4% | 1.093% | 0.02% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 530K | $108.6M | +5.0% | 1.065% | 0.02% |
| 22 | MARSHALL WACE, LLP | 483K | $99.1M | +12.4% | 0.971% | 0.11% |
| 23 | GOLDMAN SACHS GROUP INC | 482K | $98.9M | +5.9% | 0.970% | 0.01% |
| 24 | NORTHERN TRUST CORP | 456K | $93.5M | +2.4% | 0.917% | 0.01% |
| 25 | UBS Group AG | 439K | $90.1M | +71.2% | 0.883% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ONTO — a direct measure of their conviction.
Filings activity in ONTO during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 559 | +16% | 55.80% | +11.49 pp | $8.99B | +26% |
| Q4 2025 | 483 | +5.5% | 44.31% | +7.62 pp | $7.14B | +21% |
| Q3 2025 | 458 | +4.6% | 36.69% | +8.24 pp | $5.91B | +29% |
| Q2 2025 | 438 | 4.6% | 28.45% | 4.56 pp | $4.58B | 14% |
| Q1 2025 | 459 | 9.3% | 33.01% | 12.41 pp | $5.32B | 27% |
| Q4 2024 | 506 | 0.2% | 45.42% | 9.42 pp | $7.32B | 17% |
| Q3 2024 | 507 | +1.4% | 54.84% | 2.94 pp | $8.83B | 5.1% |
| Q2 2024 | 500 | — | 57.78% | — | $9.31B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ONTO stock.
Based on Q1 2026 13F filings, institutional ownership of Onto Innovation Inc. stands at 55.8%, held across 559 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ONTO, with approximately 5,534,265 shares worth $1.13B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of ONTO, including Point72 Asset Management, L.P., Fisher Asset Management, LLC.
Our composite Smart Money Score for ONTO is 75 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
136 institutions opened new positions in ONTO during Q1 2026, while 60 fully exited. 357 added to existing positions and 64 trimmed.
ONTO institutional ownership rose by 11.49 percentage points quarter-over-quarter, with a net change of +76 holders.
The top 10 institutions account for 41.6% of all reported 13F value in ONTO, and the top 25 account for 61.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Onto Innovation Inc. (ONTO) Institutional Ownership