Stock ownership · SEC 13F · Q4 2025

BLACKROCK, INC.

Who owns BLACKROCK, INC. (CUSIP 464287861)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$128K
Reported value
1
Institutions
100%
Top-5 share

The verdict

As of Q4 2025, 1 institutions report $128K in BLACKROCK, INC. positions, ownership that is dominated by its top few institutional owners.

1
institutions hold it
$128K
reported 13F value
100%
held by top 5

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

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

SEC Form 13F-HR ownership desk

CUSIP 464287861 · Q4 2025 $0M reported

VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-LIGHT · BOOK-FULL

  • VALUE-TRACE $0.1M
  • HOLDERS-FOCUS 1 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-LIGHT 1 new
  • BOOK-FULL 8Q history

Read with: Ownership concentration guide - BLACKROCK, INC.'s top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Institutional ownership over time

The number of institutions reporting a BLACKROCK, INC. position has held steady from 1 to 1 over the last 8 quarters of 13F filings.

0.511.522.5 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 1
Distinct 13F filers holding BLACKROCK, INC., by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 SSA SWISS ADVISORS AG 1,872 $128K 100.0%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among BLACKROCK, INC.'s reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
100.0%

Latest Quarter Activity · Q4 2025

Frequently Asked Questions

How many institutions hold BLACKROCK, INC.?
BLACKROCK, INC. is held by 1 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
What is the total institutional value of BLACKROCK, INC.?
Institutions report $128K of BLACKROCK, INC. as of Q4 2025.
How concentrated is ownership of BLACKROCK, INC.?
The top five institutional holders account for 100% of the reported institutional value in BLACKROCK, INC., making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of BLACKROCK, INC.?
SSA SWISS ADVISORS AG is the largest reported holder of BLACKROCK, INC. with $128K across 1,872 shares as of Q4 2025.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 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.