# ATS CORP (ATS) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 00217Y104
Page URL: https://superinvestorclub.com/stock/ATS
Last updated: 2026-07-08T12:53:56.181Z

## Summary

As of the most recent 13F filing period, ATS CORP (ATS) is held by 1 tracked superinvestors with an aggregate position value of $69.4M representing 02486400 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Prem Watsa](https://superinvestorclub.com/manager/71) | Fairfax Financial Holdings | 2486400 | $69.4M | 3.57% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-09-30: 1 holders, $1.6M aggregate, 056700 shares
- 2024-12-31: 1 holders, $73.9M aggregate, 02486400 shares
- 2025-03-31: 1 holders, $60.8M aggregate, 02486400 shares
- 2025-06-30: 1 holders, $79.1M aggregate, 02486400 shares
- 2025-09-30: 1 holders, $64.1M aggregate, 02486400 shares
- 2025-12-31: 1 holders, $68.3M aggregate, 02486400 shares
- 2026-03-31: 1 holders, $69.4M aggregate, 02486400 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

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