Stock ownership · SEC 13F · Q4 2025

VANGUARD INDEX FDS

Who owns VANGUARD INDEX FDS (CUSIP 922908512)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$25.0M
Reported value
6
Institutions
100%
Top-5 share

The verdict

According to SEC Form 13F-HR filings in this corpus, VANGUARD INDEX FDS ranks #299 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 6 institutions report $25.0M as of Q4 2025, with ownership dominated by its top few institutional owners.

6
institutions hold it
$25.0M
reported 13F value
100%
held by top 5
#299
of 775 by value

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

According to SEC Form 13F-HR filings in this corpus, VANGUARD INDEX FDS ranks #299 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 922908512 · Q4 2025 $25M reported

VALUE-MID · HOLDERS-FOCUS · CONC-DOM · PHOTO-FINISH · ACTIVITY-LIGHT · BOOK-FULL

  • VALUE-MID #299/775
  • HOLDERS-FOCUS 6 filers
  • CONC-DOM 100% top-5
  • PHOTO-FINISH TERADYNE
  • ACTIVITY-LIGHT 1 new
  • BOOK-FULL 8Q history

Photo-finish peer on reported value: TERADYNE INC

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

Reported-value neighbourhood · VANGUARD INDEX FDS

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

WASTE MGMT DEL · near$25MVANGUARD INDEX FDS · this st…$25MTERADYNE · near$25MFAIR ISAAC · near$25MJPMORGAN EQUITY PREMIUM · ne…$24M
Aggregate reported institutional value ($)
Largest institutional holders of VANGUARD INDEX FDS
  1. 1
  2. 2
    ARWA LLC $1.5M
  3. 3
  4. 4
  5. 5
  6. 6

Top 6 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a VANGUARD INDEX FDS position has risen from 3 to 6 over the last 8 quarters of 13F filings.

051015 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 6
Distinct 13F filers holding VANGUARD INDEX FDS, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 Diesslin Group, Inc. 131,297 $23.3M 93.3%
2 ARWA LLC 8,429 $1.5M 6.0%
3 Anchor Investment Management, LLC 834 $148K 0.6%
4 TD Capital Management LLC 175 $31K 0.1%
5 MidFirst Bank 3 $532 0.0%
6 Compass Financial Services Inc 2 $360 0.0%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among VANGUARD INDEX FDS'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 VANGUARD INDEX FDS?▼
VANGUARD INDEX FDS is held by 6 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
Where does VANGUARD INDEX FDS sit among tracked securities?▼
According to SEC Form 13F-HR filings in this corpus, VANGUARD INDEX FDS ranks #299 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 VANGUARD INDEX FDS?▼
Institutions report $25.0M of VANGUARD INDEX FDS as of Q4 2025.
How concentrated is ownership of VANGUARD INDEX FDS?▼
The top five institutional holders account for 100% of the reported institutional value in VANGUARD INDEX FDS, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of VANGUARD INDEX FDS?▼
Diesslin Group, Inc. is the largest reported holder of VANGUARD INDEX FDS with $23.3M across 131,297 shares as of Q4 2025.

Nationwide stocks with similar institutional value or holder count

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

Similar reported value

Nearest stocks by aggregate 13F reported value ($25.0M 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 · 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 2026-09-26.