Eaton-Cambridge Inc. — 13F Holdings & Portfolio
CIK 2011052 · latest 13F-HR filed 2026-07-23
Eaton-Cambridge Inc. manages $355.8M in 13F-reported U.S. long-equity assets across 70 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are DFAC (32.49%), DFIC (13.66%), VCSH (12.32%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 17 new positions and exited 3; 35 existing positions rose in reported value and 4 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-07-23
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
3 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 88.3%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Jun 12, 2026.
PHOENIX, AZ 85018
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| GIANNONE, MARC, T Control | PARTNER AND CHIEF COMPLIANCE OFFICER since Jan 2015 | 50–75% | Individual |
| KORLJAN, ROBERT, RALPH Control | PARTNER since Oct 1999 | 10–25% | Individual |
| STAPLETON, SHAWNA Control | TAX PARTNER since Jan 2023 | 10–25% | Individual |
| BERGSTROM, NATHAN | PARTNER since May 2026 | Less than 5% | Individual |
Ownership & leadership changes · 5 filings with changes since Jan 27, 2012
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- AddedBERGSTROM, NATHAN · PARTNER · Less than 5%
- ChangedSTAPLETON, SHAWNA · now a control person
- ChangedKORLJAN, ROBERT, RALPH · ownership 25–50% → 10–25%
- AddedSTAPLETON, SHAWNA · TAX PARTNER · 10–25%
- ChangedKORLJAN, ROBERT, RALPH · title PRESIDENT AND PARTNER → PARTNER
- ChangedKORLJAN, ROBERT, RALPH · ownership 50–75% → 25–50%
- AddedGIANNONE, MARC, T · PARTNER AND CHIEF COMPLIANCE OFFICER · 50–75% · control person
- ChangedKORLJAN, ROBERT, RALPH · title PRESIDENT, CHIEF COMPLIANCE OFFICER → PRESIDENT AND PARTNER; ownership 75% or more → 50–75%; now a control person
- ListedKORLJAN, ROBERT, RALPH · PRESIDENT, CHIEF COMPLIANCE OFFICER · 75% or more
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- DIMENSIONAL ETF TRUST$14.7M +14.6%
- DIMENSIONAL ETF TRUST$3.3M +7.4%
- DIMENSIONAL ETF TRUST$3.3M +14.6%
- DIMENSIONAL ETF TRUST$2.9M +16.9%
- AMERICAN CENTY ETF TR$980.9K +65.1%
Top Trims
- EXXON MOBIL CORP-$56.8K -12.3%
- VANGUARD INSTL INDEX FD-$37.7K -10.2%
- SPDR GOLD TR-$37.3K -11.8%
- WALMART INC-$15.7K -5.2%
New Positions
- SPDR SERIES TRUST$882.6K
- INTEL CORP$373.5K
- GOLDMAN SACHS GROUP INC$352.9K
- CATERPILLAR INC$306.7K
- KLA CORP$270.6K
Exited Positions
- NETFLIX INC.$224.8K
- UNITED PARCEL SVCS INC$216.4K
- HUNTINGTON BANCSHARES INC$159.6K
Eaton-Cambridge Inc. Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | DIMENSIONAL ETF TRUST | DFAC | 25434V708 | $115.6M | 32.49% | 2,605,730 | SH |
| 2 | DIMENSIONAL ETF TRUST | DFIC | 25434V799 | $48.6M | 13.66% | 1,303,889 | SH |
| 3 | VANGUARD SCOTTSDALE FDS | VCSH | 92206C409 | $43.8M | 12.32% | 554,837 | SH |
| 4 | VANGUARD BD INDEX FDS | BND | 921937835 | $32.4M | 9.12% | 441,817 | SH |
| 5 | DIMENSIONAL ETF TRUST | DFEM | 25434V732 | $26.0M | 7.30% | 638,713 | SH |
| 6 | DIMENSIONAL ETF TRUST | DFGX | 25434V575 | $19.9M | 5.60% | 372,058 | SH |
| 7 | VANGUARD BD INDEX FDS | BSV | 921937827 | $12.7M | 3.57% | 163,016 | SH |
| 8 | AMERICAN CENTY ETF TR | AVUS | 025072885 | $6.1M | 1.73% | 47,918 | SH |
| 9 | NVIDIA CORPORATION | NVDA | 67066G104 | $4.6M | 1.29% | 22,870 | SH |
| 10 | APPLE INC | AAPL | 037833100 | $4.2M | 1.19% | 14,630 | SH |
| 11 | VANGUARD MUN BD FDS | VTEB | 922907746 | $3.3M | 0.94% | 66,144 | SH |
| 12 | VANGUARD WELLINGTON FD | VTES | 921935870 | $2.6M | 0.72% | 25,374 | SH |
| 13 | AMERICAN CENTY ETF TR | AVEM | 025072604 | $2.5M | 0.70% | 25,790 | SH |
| 14 | DIMENSIONAL ETF TRUST | DFAI | 25434V203 | $2.3M | 0.65% | 55,949 | SH |
| 15 | AMAZON COM INC | AMZN | 023135106 | $2.0M | 0.55% | 8,214 | SH |
| 16 | AMERICAN CENTY ETF TR | AVDE | 025072703 | $1.6M | 0.46% | 18,286 | SH |
| 17 | AMERICAN CENTY ETF TR | AVSF | 025072687 | $1.6M | 0.44% | 33,742 | SH |
| 18 | MICROSOFT CORP | MSFT | 594918104 | $1.4M | 0.39% | 3,694 | SH |
| 19 | ALPHABET INC | GOOGL | 02079K305 | $1.4M | 0.38% | 3,821 | SH |
| 20 | ISHARES TR | IVW | 464287309 | $1.3M | 0.38% | 9,739 | SH |
| 21 | DIMENSIONAL ETF TRUST | DFSU | 25434V716 | $1.1M | 0.32% | 24,442 | SH |
| 22 | ELI LILLY & CO | LLY | 532457108 | $1.1M | 0.31% | 927 | SH |
| 23 | DIMENSIONAL ETF TRUST | DFAE | 25434V302 | $891.2K | 0.25% | 22,163 | SH |
| 24 | SPDR SERIES TRUST | SPYM | 78464A854 | $882.6K | 0.25% | 10,043 | SH |
| 25 | AMERICAN CENTY ETF TR | AVIG | 025072562 | $867.0K | 0.24% | 20,936 | SH |
| 26 | META PLATFORMS INC | META | 30303M102 | $855.1K | 0.24% | 1,518 | SH |
| 27 | MICRON TECHNOLOGY INC | MU | 595112103 | $802.2K | 0.23% | 695 | SH |
| 28 | ISHARES TR | ITOT | 464287150 | $749.9K | 0.21% | 4,565 | SH |
| 29 | AMERICAN CENTY ETF TR | AVGE | 025072232 | $734.3K | 0.21% | 7,410 | SH |
| 30 | ALPHABET INC | GOOG | 02079K107 | $684.8K | 0.19% | 1,938 | SH |
| 31 | DIMENSIONAL ETF TRUST | DFSD | 25434V864 | $611.2K | 0.17% | 12,800 | SH |
| 32 | JPMORGAN CHASE & CO | JPM | 46625H100 | $592.5K | 0.17% | 1,810 | SH |
| 33 | VANGUARD INDEX FDS | VV | 922908637 | $589.8K | 0.17% | 1,715 | SH |
| 34 | BROADCOM INC | AVGO | 11135F101 | $575.7K | 0.16% | 1,524 | SH |
| 35 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $498.8K | 0.14% | 668 | SH |
| 36 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $498.4K | 0.14% | 996 | SH |
| 37 | VANGUARD CHARLOTTE FDS | BNDX | 92203J407 | $471.8K | 0.13% | 9,741 | SH |
| 38 | EXXON MOBIL CORP | XOM | 30231G102 | $403.2K | 0.11% | 2,949 | SH |
| 39 | INTEL CORP | INTC | 458140100 | $373.5K | 0.10% | 2,675 | SH |
| 40 | VANGUARD SPECIALIZED FUNDS | VIG | 921908844 | $370.8K | 0.10% | 1,567 | SH |
| 41 | GOLDMAN SACHS GROUP INC | GS | 38141G104 | $352.9K | 0.10% | 349 | SH |
| 42 | DIMENSIONAL ETF TRUST | DFSI | 25434V690 | $333.0K | 0.09% | 7,384 | SH |
| 43 | VANGUARD INSTL INDEX FD | VBIL | 922040845 | $330.8K | 0.09% | 4,371 | SH |
| 44 | DIMENSIONAL ETF TRUST | DUSB | 25434V591 | $329.8K | 0.09% | 6,495 | SH |
| 45 | VANGUARD SCOTTSDALE FDS | VCIT | 92206C870 | $322.3K | 0.09% | 3,900 | SH |
| 46 | ISHARES TR | IVV | 464287200 | $320.5K | 0.09% | 428 | SH |
| 47 | CATERPILLAR INC | CAT | 149123101 | $306.7K | 0.09% | 288 | SH |
| 48 | VISA INC | V | 92826C839 | $302.6K | 0.09% | 882 | SH |
| 49 | WALMART INC | WMT | 931142103 | $286.3K | 0.08% | 2,528 | SH |
| 50 | VANGUARD WORLD FD | VCEB | 921910691 | $285.9K | 0.08% | 4,556 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-23 | $355.8M | 70 | 0002011052-26-000003 |
| 2026-03-31 | 2026-05-07 | $319.6M | 56 | 0002011052-26-000002 |
| 2025-12-31 | 2026-02-13 | $304.8M | 45 | 0002011052-26-000001 |
SUITE 205
PHOENIX, AZ 85018