# OTTER TAIL CORP (OTTR) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 689648103
Page URL: https://superinvestorclub.com/stock/OTTR
Last updated: 2026-07-08T12:32:44.009Z

## Summary

As of the most recent 13F filing period, OTTER TAIL CORP (OTTR) is held by 1 tracked superinvestors with an aggregate position value of $1.3M representing 015201 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 15201 | $1.3M | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-06-30: 1 holders, $377,513 aggregate, 04310 shares
- 2025-03-31: 1 holders, $203,015 aggregate, 02526 shares
- 2025-09-30: 1 holders, $525,100 aggregate, 06406 shares
- 2026-03-31: 1 holders, $1.3M aggregate, 015201 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

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