Institutional filer · SEC 13F · Q3 2024

Blankinship & Foster, LLC

The reported 13F portfolio of Blankinship & Foster, LLC (CIK 1708872) - top holdings, how concentrated the book is, and what changed last quarter.

$392.5M
Reported book
54
Positions
#120
of 360 filers
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The verdict

According to SEC Form 13F-HR filings in this corpus, Blankinship & Foster, LLC ranks #120 of 360 institutional filers by reported book value (largest first), matching the /funds listing. As of Q3 2024 the reported book is $392.5M across 54 positions, a concentrated portfolio led by a few core positions.

$392.5M
reported 13F value
54
disclosed positions
19.9%
in ELI LILLY & CO
#120
of 360 filers

Top-5 share 51.4% → TOP-HEAVY book (largest five positions vs the rest of the reported 13F book).

According to SEC Form 13F-HR filings in this corpus, Blankinship & Foster, LLC ranks #120 of 360 institutional filers by reported book value (largest first), matching the /funds listing.

Where Blankinship & Foster, LLC sits by disclosed position count

Blankinship & Foster, LLC reports 54 13F positions among 360 filers with holdings (inventory signal, not a quality ranking). Orthogonal to book-value rank.

Blankinship & Foster, LLC vs all filers by holding count

Where this filer's disclosed position inventory sits among every tracked 13F manager

54 257th of 360 higher than 103 of 360 filers

Filers, banded by disclosed position count

Each bar is a band; taller bars hold more filers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source SEC Form 13F-HR filings · 2026-05-16

Concentration vs. book size among peer filers

Blankinship & Foster, LLC reports $0.39B across 54 disclosed positions, tracking the median among similarly sized peer filers on position count.

Reported book value vs. disclosed position count

16 tracked 13F filers plotted by reported book value and disclosed position count; Blankinship & Foster, LLC highlighted. Source: SEC Form 13F-HR filings, 2026-05-16. 2×2 strategic matrix plotting 16 entities by Reported book value ($B) (X) and Disclosed positions (Y), with a crosshair dividing the plot into four quadrants. Large & diversifiedSmall & diversifiedConcentrated giantSmall & concentrated $0.3B$0.3B$0.4B$0.5B 0200400600800 Reported book value ($B) Disclosed positions Reported book value vs. disclosed position count
16 tracked 13F filers plotted by reported book value and disclosed position count; Blankinship & Foster, LLC highlighted. Source: SEC Form 13F-HR filings, 2026-05-16.

How 13F filings are computed · All institutional filers · Largest filers by value

SEC Form 13F-HR filing desk

CIK 1708872 · Q3 2024 $392M book

BOOK-MID · POS-FOCUS · CONC-DOM · LEAD-DOM · PHOTO-FINISH · TREND-FLAT · FY-SNAPSHOT

  • BOOK-MID #120/360
  • POS-FOCUS 54 names
  • CONC-DOM 51% top-5
  • LEAD-DOM 19.9% ELI LILLY &
  • PHOTO-FINISH EQUITEC PROPRIETARY…
  • TREND-FLAT Book steady
  • FY-SNAPSHOT Q3 2024

Photo-finish peer on reported book: EQUITEC PROPRIETARY MARKETS, LLC

Read with: Ownership concentration guide - Blankinship & Foster, LLC's top-five positions weigh 51% of its reported book — read concentration before inferring strategy.

Reported-book neighbourhood · Blankinship & Foster, LLC

Nearest tracked filers by aggregate 13F reported book, not a full corpus reprint.

OGBORNE , · near$398MEQUITEC PROPRIETARY… · near$393MBlankinship & Foster, · this…$392MTalaria Asset Pty Ltd · near$388MStrategic Advocates · near$384M
Aggregate reported 13F book value ($)
Blankinship & Foster, LLC's largest reported positions
  1. 1

    19.9% of book

  2. 2
    APPLE INC $42.1M

    10.7% of book

  3. 3

    8.3% of book

  4. 4

    6.7% of book

  5. 5
    COHERENT CORP $23.0M

    5.9% of book

  6. 6

    5.1% of book

Top 6 of 54 positions by value · Q3 2024

How the reported book breaks down

$392.5M decomposed into the top 5 reported positions (shown below) versus every other disclosed position.

Top 5 positions: $201.8M (51.4%) Remaining 49 positions: $190.7M (48.6%)

Top Reported Holdings

# Security Value % of book
1 ELI LILLY & CO $78.0M 19.9%
2 APPLE INC $42.1M 10.7%
3 BROOKFIELD CORP $32.4M 8.3%
4 ADVANCED MICRO DEVICES INC $26.3M 6.7%
5 COHERENT CORP $23.0M 5.9%
6 MICRON TECHNOLOGY INC $19.9M 5.1%
7 INTERNATIONAL BUSINESS MACHS $17.2M 4.4%
8 COSTCO WHSL CORP NEW $16.2M 4.1%
9 MICROSOFT CORP $15.6M 4.0%
10 LOCKHEED MARTIN CORP $11.5M 2.9%
11 CROWDSTRIKE HLDGS INC $10.7M 2.7%
12 MERCK & CO INC $9.6M 2.4%
13 VERTIV HOLDINGS CO $8.8M 2.2%
14 THERMO FISHER SCIENTIFIC INC $7.6M 1.9%
15 RTX CORPORATION $7.3M 1.9%
16 MARVELL TECHNOLOGY INC $6.9M 1.8%
17 BROADCOM INC $5.7M 1.4%
18 INDIE SEMICONDUCTOR INC $5.1M 1.3%
19 DUKE ENERGY CORP NEW $4.7M 1.2%
20 EQT CORP $4.1M 1.0%
21 BERKSHIRE HATHAWAY INC DEL $3.6M 0.9%
22 HONEYWELL INTL INC $3.5M 0.9%
23 NU HLDGS LTD $3.2M 0.8%
24 SYNOPSYS INC $2.8M 0.7%
25 PIMCO ETF TR $2.8M 0.7%

Latest Quarter Trades · Q3 2024

New positions (54)

Frequently Asked Questions

How big is Blankinship & Foster, LLC's 13F portfolio?
Blankinship & Foster, LLC reports $392.5M of long US-equity positions across 54 securities as of Q3 2024. This reflects 13F-disclosed holdings only, it is not the firm's total assets under management.
Where does Blankinship & Foster, LLC sit among tracked 13F filers?
According to SEC Form 13F-HR filings in this corpus, Blankinship & Foster, LLC ranks #120 of 360 institutional filers by reported book value (largest first), matching the /funds listing. The ordinal is recomputed live from filers with reported book value > 0. See /methodology/#corpus-placement.
What is Blankinship & Foster, LLC's largest position?
Blankinship & Foster, LLC's largest reported position is ELI LILLY & CO at $78.0M, about 19.9% of its reported book as of Q3 2024.
What did Blankinship & Foster, LLC trade last quarter?
In its Q3 2024 filing, Blankinship & Foster, LLC opened 54 new positions. Each change is drawn from a line in the firm's 13F-HR filing and can be verified on SEC EDGAR.

Nationwide filers with similar book size or holding count

Two 13F-derived peer sets for Blankinship & Foster, LLC: nearest reported book value and nearest holding inventory, not catalog browse links.

Using this filing

  • The rankings sort every tracked filer the same way Blankinship & Foster, LLC was placed above, so you can see exactly how the rest of the field compares. View the rankings
  • EQUITEC PROPRIETARY MARKETS, LLC reported the nearest book value ($392.7M) this quarter, a useful scale comparison for Blankinship & Foster, LLC. Compare filers
  • 13F-HR reports long US-listed equity positions only, not total AUM, short positions, or non-equity holdings, treat the reported book as a partial picture. Read the methodology

Form 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Reported value is not total AUM.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q3 2024 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Reported value is not total AUM.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Filer holdings, changes, and reported book 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.