Stock ownership · SEC 13F · Q3 2025

ALLETE INC

Who owns ALLETE INC (CUSIP 018522300)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$501K
Reported value
6
Institutions
99%
Top-5 share

The verdict

According to SEC Form 13F-HR filings in this corpus, ALLETE INC ranks #757 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 6 institutions report $501K as of Q3 2025, with ownership dominated by its top few institutional owners.

6
institutions hold it
$501K
reported 13F value
99%
held by top 5
#757
of 775 by value

Based on long positions reported to the SEC as of Q3 2025; 13F omits shorts, options and non-US holdings.

According to SEC Form 13F-HR filings in this corpus, ALLETE INC ranks #757 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 018522300 · Q3 2025 $1M reported

VALUE-LIGHT · HOLDERS-FOCUS · CONC-DOM · NEAR-PEER · ACTIVITY-MID · BOOK-MID

  • VALUE-LIGHT #757/775
  • HOLDERS-FOCUS 6 filers
  • CONC-DOM 99% top-5
  • NEAR-PEER PARAMOUNT SKYDANCE
  • ACTIVITY-MID 6 new
  • BOOK-MID 6Q history

Photo-finish peer on reported value: PARAMOUNT SKYDANCE CORP

Read with: Ownership concentration guide - ALLETE INC's top-five holders account for 99% of reported value — read concentration before treating any single filer as a signal.

Reported-value neighbourhood · ALLETE INC

Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.

SELECT SECTOR SPDR TR · near$558,631EPR PPTYS · near$553,002SONY GROUP · near$545,493ALLETE · this stock$501,188PARAMOUNT SKYDANCE · near$477,636
Aggregate reported institutional value ($)
Largest institutional holders of ALLETE INC
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Top 6 reported holders by value · Q3 2025

Institutional ownership over time

The number of institutions reporting a ALLETE INC position has risen from 3 to 6 over the last 6 quarters of 13F filings.

1234567 Q1'24Q3'24Q4'24Q1'25Q2'25Q3'25 6
Distinct 13F filers holding ALLETE INC, by quarter

Top Institutional Holders

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among ALLETE INC's reported holders for Q3 2025, by reported value:

Shared-defined discretion (DFND)
82.7%
Sole discretion (SOLE)
15.0%
Shared-other discretion (OTR)
2.3%

Latest Quarter Activity · Q3 2025

Frequently Asked Questions

How many institutions hold ALLETE INC?
ALLETE INC is held by 6 institutional investors per the latest SEC Form 13F filings as of Q3 2025.
Where does ALLETE INC sit among tracked securities?
According to SEC Form 13F-HR filings in this corpus, ALLETE INC ranks #757 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. The ordinal is recomputed live among securities with ≥5 reporting holders. See /methodology/#corpus-placement.
What is the total institutional value of ALLETE INC?
Institutions report $501K of ALLETE INC as of Q3 2025.
How concentrated is ownership of ALLETE INC?
The top five institutional holders account for 99% of the reported institutional value in ALLETE INC, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of ALLETE INC?
CIBC Bancorp USA Inc. is the largest reported holder of ALLETE INC with $414K across 6,241 shares as of Q3 2025.

Nationwide stocks with similar institutional value or holder count

Two 13F-derived peer sets for ALLETE INC: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.

Similar reported value

Nearest stocks by aggregate 13F reported value ($501K here).

Similar holder count

Nearest stocks by number of disclosing 13F holders (6 here).

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q3 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.