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-QUIET · BOOK-MID

  • VALUE-LIGHT #757/775
  • HOLDERS-FOCUS 6 filers
  • CONC-DOM 99% top-5
  • NEAR-PEER PARAMOUNT SKYDANCE
  • ACTIVITY-QUIET 0 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%

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 2026-09-26.