# ONTO INNOVATION INC (ONTO) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 683344105
Page URL: https://superinvestorclub.com/stock/ONTO
Last updated: 2026-07-08T12:27:09.547Z

## Summary

As of the most recent 13F filing period, ONTO INNOVATION INC (ONTO) is held by 1 tracked superinvestors with an aggregate position value of $71.4M representing 0348405 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 348405 | $71.4M | 0.32% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-06-30: 1 holders, $7.4M aggregate, 033850 shares
- 2024-09-30: 1 holders, $9.0M aggregate, 043345 shares
- 2024-12-31: 1 holders, $6.3M aggregate, 037666 shares
- 2025-03-31: 1 holders, $25.7M aggregate, 0211694 shares
- 2025-06-30: 1 holders, $19.2M aggregate, 0190614 shares
- 2025-09-30: 1 holders, $8.3M aggregate, 064021 shares
- 2025-12-31: 1 holders, $14.7M aggregate, 093136 shares
- 2026-03-31: 1 holders, $71.4M aggregate, 0348405 shares

## Recent congressional trades (2)

- 2025-05-12: Rob Bresnahan (Republican-PA) sale $1,001 - $15,000
- 2025-05-09: Rob Bresnahan (Republican-PA) sale $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "ONTO INNOVATION INC (ONTO) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/ONTO), aggregating SEC 13F, Form 4, and congressional disclosures."