Stock ownership · SEC 13F · Q4 2025

BONDBLOXX ETF TRUST

Who owns BONDBLOXX ETF TRUST (CUSIP 09789C788)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$390K
Reported value
1
Institutions
100%
Top-5 share

The verdict

As of Q4 2025, 1 institutions report $390K in BONDBLOXX ETF TRUST positions, ownership that is dominated by its top few institutional owners.

1
institutions hold it
$390K
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 09789C788 · Q4 2025 $0M reported

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

  • VALUE-TRACE $0.4M
  • HOLDERS-FOCUS 1 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-LIGHT 1 new
  • BOOK-MID 5Q history

Read with: Ownership concentration guide - BONDBLOXX ETF TRUST'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 BONDBLOXX ETF TRUST position has held steady from 1 to 1 over the last 5 quarters of 13F filings.

0.511.522.533.5 Q1'24Q4'24Q2'25Q3'25Q4'25 1
Distinct 13F filers holding BONDBLOXX ETF TRUST, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Astoria Portfolio Advisors LLC. 7,752 $390K 100.0%

Investment Discretion

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

Sole discretion (SOLE)
100.0%

Latest Quarter Activity · Q4 2025

New positions (1)

Frequently Asked Questions

How many institutions hold BONDBLOXX ETF TRUST?
BONDBLOXX ETF TRUST is held by 1 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
What is the total institutional value of BONDBLOXX ETF TRUST?
Institutions report $390K of BONDBLOXX ETF TRUST as of Q4 2025.
How concentrated is ownership of BONDBLOXX ETF TRUST?
The top five institutional holders account for 100% of the reported institutional value in BONDBLOXX ETF TRUST, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of BONDBLOXX ETF TRUST?
Astoria Portfolio Advisors LLC. is the largest reported holder of BONDBLOXX ETF TRUST with $390K across 7,752 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.