# NORTHERN TR CORP (NTRSO) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 665859104
Page URL: https://superinvestorclub.com/stock/NTRSO
Last updated: 2026-07-08T12:47:51.662Z

## Summary

As of the most recent 13F filing period, NORTHERN TR CORP (NTRSO) is held by 4 tracked superinvestors with an aggregate position value of $163.0M representing 011411181465595002400 shares.

## Top institutional holders (4)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [John Rogers](https://superinvestorclub.com/manager/76) | Ariel Investments | 1141118 | $159.3M | 1.78% | 2026-03-31 |
| 2 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 14655 | $2.0M | 0.01% | 2026-03-31 |
| 3 | [Donald Yacktman](https://superinvestorclub.com/manager/13) | Yacktman Asset Management | 9500 | $1.3M | 0.02% | 2026-03-31 |
| 4 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 2400 | $334,968 | 0.00% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2023-12-31: 1 holders, $801,610 aggregate, 09500 shares
- 2024-03-31: 1 holders, $844,740 aggregate, 09500 shares
- 2024-06-30: 3 holders, $223.3M aggregate, 0264420595004730 shares
- 2024-09-30: 4 holders, $230.5M aggregate, 025274671864895004955 shares
- 2024-12-31: 3 holders, $229.7M aggregate, 0222881595002240 shares
- 2025-03-31: 3 holders, $194.2M aggregate, 0195725995002140 shares
- 2025-06-30: 2 holders, $175.7M aggregate, 013763649500 shares
- 2025-09-30: 3 holders, $174.5M aggregate, 0128458795002440 shares
- 2025-12-31: 4 holders, $173.7M aggregate, 012489211090595002400 shares
- 2026-03-31: 4 holders, $163.0M aggregate, 011411181465595002400 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

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