Institutional filer · SEC 13F · Q4 2025
Diesslin Group, Inc.
The reported 13F portfolio of Diesslin Group, Inc. (CIK 2108559) - top holdings, how concentrated the book is, and what changed last quarter.
- $251.6M
- Reported book
- 54
- Positions
- #167
- of 360 filers
The verdict
According to SEC Form 13F-HR filings in this corpus, Diesslin Group, Inc. ranks #167 of 360 institutional filers by reported book value (largest first), matching the /funds listing. As of Q4 2025 the reported book is $251.6M across 54 positions, a concentrated portfolio led by a few core positions.
- $251.6M
- reported 13F value
- 54
- disclosed positions
- 23.9%
- in BERKSHIRE HATHAWAY INC
- #167
- of 360 filers
Top-5 share 66.6% → TOP-HEAVY book (largest five positions vs the rest of the reported 13F book).
According to SEC Form 13F-HR filings in this corpus, Diesslin Group, Inc. ranks #167 of 360 institutional filers by reported book value (largest first), matching the /funds listing.
Where Diesslin Group, Inc. sits by disclosed position count
Diesslin Group, Inc. reports 54 13F positions among 360 filers with holdings (inventory signal, not a quality ranking). Orthogonal to book-value rank.
Diesslin Group, Inc. 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
Diesslin Group, Inc. reports $0.25B across 54 disclosed positions, tracking the median among similarly sized peer filers on position count.
Reported book value vs. disclosed position count
How 13F filings are computed · All institutional filers · Largest filers by value
SEC Form 13F-HR filing desk
CIK 2108559 · Q4 2025 $252M book
BOOK-MID · POS-FOCUS · CONC-DOM · LEAD-DOM · PHOTO-FINISH · TREND-FLAT · FY-SNAPSHOT
- BOOK-MID #167/360
- POS-FOCUS 54 names
- CONC-DOM 67% top-5
- LEAD-DOM 23.9% BERKSHIRE HATHAWAY DEL
- PHOTO-FINISH Sculati Wealth ,
- TREND-FLAT Book steady
- FY-SNAPSHOT Q4 2025
Photo-finish peer on reported book: Sculati Wealth Management, LLC
Read with: Ownership concentration guide - Diesslin Group, Inc.'s top-five positions weigh 67% of its reported book — read concentration before inferring strategy.
Reported-book neighbourhood · Diesslin Group, Inc.
Nearest tracked filers by aggregate 13F reported book, not a full corpus reprint.
How the reported book breaks down
$251.6M decomposed into the top 5 reported positions (shown below) versus every other disclosed position.
Top Reported Holdings
| # | Security | Value | % of book |
|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | $60.2M | 23.9% |
| 2 | JANUS DETROIT STR TR | $31.7M | 12.6% |
| 3 | INVESCO QQQ TR | $28.5M | 11.3% |
| 4 | VANGUARD WORLD FD | $23.9M | 9.5% |
| 5 | VANGUARD INDEX FDS | $23.3M | 9.3% |
| 6 | ISHARES TR | $22.7M | 9.0% |
| 7 | INVESCO EXCHANGE TRADED FD T | $8.5M | 3.4% |
| 8 | ISHARES TR | $7.4M | 3.0% |
| 9 | VALUED ADVISERS TR | $6.1M | 2.4% |
| 10 | APPLE INC | $4.1M | 1.6% |
| 11 | WALMART INC | $3.8M | 1.5% |
| 12 | VANGUARD INDEX FDS | $2.3M | 0.9% |
| 13 | BERKSHIRE HATHAWAY INC DEL | $2.3M | 0.9% |
| 14 | SPDR S&P 500 ETF TR | $2.3M | 0.9% |
| 15 | VANGUARD INDEX FDS | $2.2M | 0.9% |
| 16 | PLAINS GP HLDGS L P | $1.5M | 0.6% |
| 17 | MICROSOFT CORP | $1.4M | 0.6% |
| 18 | VANGUARD TAX-MANAGED FDS | $1.3M | 0.5% |
| 19 | SPROTT ASSET MANAGEMENT LP | $1.2M | 0.5% |
| 20 | BLACKROCK CR ALLOCATION INCO | $1.2M | 0.5% |
| 21 | JOHNSON & JOHNSON | $1.1M | 0.5% |
| 22 | PEPSICO INC | $1.0M | 0.4% |
| 23 | ISHARES GOLD TR | $978K | 0.4% |
| 24 | SPDR GOLD TR | $935K | 0.4% |
| 25 | AMAZON COM INC | $855K | 0.3% |
Latest Quarter Trades · Q4 2025
New positions (54)
Frequently Asked Questions
- How big is Diesslin Group, Inc.'s 13F portfolio?
- Diesslin Group, Inc. reports $251.6M of long US-equity positions across 54 securities as of Q4 2025. This reflects 13F-disclosed holdings only, it is not the firm's total assets under management.
- Where does Diesslin Group, Inc. sit among tracked 13F filers?
- According to SEC Form 13F-HR filings in this corpus, Diesslin Group, Inc. ranks #167 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 Diesslin Group, Inc.'s largest position?
- Diesslin Group, Inc.'s largest reported position is BERKSHIRE HATHAWAY INC DEL at $60.2M, about 23.9% of its reported book as of Q4 2025.
- What did Diesslin Group, Inc. trade last quarter?
- In its Q4 2025 filing, Diesslin Group, Inc. 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 Diesslin Group, Inc.: nearest reported book value and nearest holding inventory, not catalog browse links.
Similar reported book
Nearest filers by reported long-equity book ($251.6M here).
Similar holding count
Nearest filers by number of disclosed positions (54 here).
Using this filing
- The rankings sort every tracked filer the same way Diesslin Group, Inc. was placed above, so you can see exactly how the rest of the field compares. View the rankings
- Sculati Wealth Management, LLC reported the nearest book value ($253.0M) this quarter, a useful scale comparison for Diesslin Group, Inc.. 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 · Q4 2025 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.