How many institutional investors hold OTTR?

3 tracked institutional investors disclosed a position in OTTR (OTTER TAIL CORP) in their most recent 13F filing.

Who is the largest institutional holder of OTTR?

Izzy Englander, Millennium Management, holds the largest disclosed position in OTTR, valued at $12M.

Where does this OTTR ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

OTTR — OTTER TAIL CORP

Name: OTTER TAIL CORP (OTTR) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About OTTER TAIL CORP (OTTR)

OTTER TAIL CORP (OTTR) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $12M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in OTTR

/100

Institutional Accumulation

Added / Increased2

Reduced0

Exited1

BearishBullish

Crowded Trade Score™

How many top investors track OTTR

/100

Emerging Interest

3investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

OTTR Ownership Composition

How OTTER TAIL CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

100% of tracked value

Institutions

tracked investors

Total Reported

$17.7M

combined 13F value

Other100.0%

Other(3)

100.0%

Tracked investors reporting OTTR

Investor	Firm	Shares	Market value	% of portfolio	As of
Izzy Englander	Millennium Management	130.2K	$11.4M	0.00%	Mar 31, 2026
Ken Griffin	Citadel Advisors	56.5K	$5M	0.00%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	15.2K	$1.3M	0.01%	Mar 31, 2026

Izzy EnglanderMar 31, 2026
Millennium Management
Shares
130.2K
Value
$11.4M
% Portfolio
0.00%
Ken GriffinMar 31, 2026
Citadel Advisors
Shares
56.5K
Value
$5M
% Portfolio
0.00%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
15.2K
Value
$1.3M
% Portfolio
0.01%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ray Dalio	New	—	$1.3M	May 15, 2026
Ray Dalio	Sold	-100.00%	$0	Feb 13, 2026
Ray Dalio	New	—	$525.1K	Nov 13, 2025

Ray Dalio
New
$1.3MMay 15, 2026
Ray Dalio
Sold
$0(-100.00%)Feb 13, 2026
Ray Dalio
New
$525.1KNov 13, 2025

Frequently asked questions

How many institutional investors hold OTTR?: 3 tracked institutional investors disclosed a position in OTTR (OTTER TAIL CORP) in their most recent 13F filing.
Who is the largest institutional holder of OTTR?: Izzy Englander, Millennium Management, holds the largest disclosed position in OTTR, valued at $12M.
Did institutional ownership of OTTR increase or decrease?: Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 1 fully exited OTTR.
Where does this OTTR ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.