GREAT OAK CAPITAL PARTNERS, LLC — 13F Holdings & Portfolio
CIK 2012868 · latest 13F-HR filed 2026-07-14
GREAT OAK CAPITAL PARTNERS, LLC manages $462.7M in 13F-reported U.S. long-equity assets across 45 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are DFAT (21.67%), DUHP (9.62%), DFEM (9.09%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position and exited 3; 22 existing positions rose in reported value and 8 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 2026-07-14
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 = 89.5%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Apr 9, 2026.
SUITE 5
SOUTH EASTON, MA 02375
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| NOONAN, JOHN, RUSSELL Control | PRINCIPAL AND CHIEF COMPLIANCE OFFICER since Jul 2015 | 50–75% | Individual |
| SYLVIA JR, WILLIAM, R Control | PRINCIPAL since Jul 2015 | 50–75% | Individual |
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$7.6M +8.2%
- DIMENSIONAL ETF TRUST$4.8M +12.0%
- DIMENSIONAL ETF TRUST$3.4M +11.6%
- DIMENSIONAL ETF TRUST$3.4M +10.0%
- DIMENSIONAL ETF TRUST$3.0M +10.4%
Top Trims
- EVERSOURCE ENERGY-$124.2K -11.3%
- ISHARES TR-$121.2K -21.3%
- BERKSHIRE HATHAWAY INC DEL-$92.2K -30.8%
- INVESCO EXCHANGE TRADED FD T-$91.6K -30.7%
- COSTCO WHOLESALE CORPORATION-$45.9K -13.7%
GREAT OAK CAPITAL PARTNERS, LLC 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 | DFAT | 25434V609 | $100.2M | 21.67% | 1,438,350 | SH |
| 2 | DIMENSIONAL ETF TRUST | DUHP | 25434V831 | $44.5M | 9.62% | 1,070,846 | SH |
| 3 | DIMENSIONAL ETF TRUST | DFEM | 25434V732 | $42.0M | 9.09% | 1,087,715 | SH |
| 4 | DIMENSIONAL ETF TRUST | DFCF | 25434V872 | $37.3M | 8.07% | 893,243 | SH |
| 5 | DIMENSIONAL ETF TRUST | DFLV | 25434V666 | $37.0M | 7.99% | 922,973 | SH |
| 6 | DIMENSIONAL ETF TRUST | DISV | 25434V781 | $35.5M | 7.67% | 871,449 | SH |
| 7 | DIMENSIONAL ETF TRUST | DCOR | 25434V625 | $33.0M | 7.13% | 400,422 | SH |
| 8 | DIMENSIONAL ETF TRUST | DFSD | 25434V864 | $31.6M | 6.82% | 663,877 | SH |
| 9 | DIMENSIONAL ETF TRUST | DFAR | 25434V823 | $28.7M | 6.20% | 1,081,514 | SH |
| 10 | DIMENSIONAL ETF TRUST | DIHP | 25434V765 | $24.4M | 5.28% | 722,192 | SH |
| 11 | DIMENSIONAL ETF TRUST | DFIV | 25434V807 | $16.5M | 3.56% | 297,894 | SH |
| 12 | DIMENSIONAL ETF TRUST | DUSB | 25434V591 | $4.4M | 0.96% | 87,106 | SH |
| 13 | VANGUARD INDEX FDS | VOO | 922908363 | $2.7M | 0.58% | 3,867 | SH |
| 14 | DIMENSIONAL ETF TRUST | DFAC | 25434V708 | $2.2M | 0.47% | 49,051 | SH |
| 15 | ISHARES TR | MTUM | 46432F396 | $2.0M | 0.43% | 6,364 | SH |
| 16 | JOHNSON & JOHNSON | JNJ | 478160104 | $1.9M | 0.41% | 7,311 | SH |
| 17 | DIMENSIONAL ETF TRUST | DFNM | 25434V849 | $1.8M | 0.39% | 37,722 | SH |
| 18 | APPLE INC | AAPL | 037833100 | $1.7M | 0.37% | 5,381 | SH |
| 19 | JPMORGAN CHASE & CO | JPM | 46625H100 | $1.6M | 0.34% | 4,738 | SH |
| 20 | DIMENSIONAL ETF TRUST | DFSV | 25434V815 | $1.5M | 0.33% | 38,824 | SH |
| 21 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $1.0M | 0.22% | 1,372 | SH |
| 22 | EVERSOURCE ENERGY | ES | 30040W108 | $973.2K | 0.21% | 13,001 | SH |
| 23 | ALPHABET INC | GOOG | 02079K107 | $939.8K | 0.20% | 2,680 | SH |
| 24 | MICROSOFT CORP | MSFT | 594918104 | $913.3K | 0.20% | 2,336 | SH |
| 25 | ISHARES TR | IMTM | 46434V449 | $751.1K | 0.16% | 14,461 | SH |
| 26 | AVIDIA BANCORP INC | AVBC | 05369T100 | $694.4K | 0.15% | 34,157 | SH |
| 27 | DIMENSIONAL ETF TRUST | DFUS | 25434V401 | $681.4K | 0.15% | 8,321 | SH |
| 28 | DIREXION SHARES ETF TRUST | EDC | 25490K281 | $629.0K | 0.14% | 8,571 | SH |
| 29 | MEDTRONIC PLC | MDT | G5960L103 | $529.6K | 0.11% | 6,337 | SH |
| 30 | AMAZON COM INC | AMZN | 023135106 | $468.3K | 0.10% | 1,897 | SH |
| 31 | VANGUARD INDEX FDS | VTI | 922908769 | $453.5K | 0.10% | 1,226 | SH |
| 32 | ISHARES TR | IJR | 464287804 | $446.5K | 0.10% | 3,080 | SH |
| 33 | ALPHABET INC | GOOGL | 02079K305 | $427.7K | 0.09% | 1,213 | SH |
| 34 | TESLA INC | TSLA | 88160R101 | $403.8K | 0.09% | 1,022 | SH |
| 35 | DIMENSIONAL ETF TRUST | DFIC | 25434V799 | $370.9K | 0.08% | 9,947 | SH |
| 36 | ISHARES TR | IWR | 464287499 | $341.1K | 0.07% | 3,107 | SH |
| 37 | COSTCO WHOLESALE CORPORATION | COST | 22160K105 | $289.8K | 0.06% | 313 | SH |
| 38 | NVIDIA CORPORATION | NVDA | 67066G104 | $241.4K | 0.05% | 1,184 | SH |
| 39 | DIMENSIONAL ETF TRUST | DFAX | 25434V880 | $236.9K | 0.05% | 6,534 | SH |
| 40 | MARRIOTT INTL INC NEW | MAR | 571903202 | $226.2K | 0.05% | 623 | SH |
| 41 | INVESCO QQQ TR | QQQ | 46090E103 | $226.0K | 0.05% | 318 | SH |
| 42 | NB BANCORP INC | NBBK | 63945M107 | $223.6K | 0.05% | 10,636 | SH |
| 43 | DIREXION SHARES ETF TRUST | TNA | 25459W847 | $219.1K | 0.05% | 3,143 | SH |
| 44 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $207.2K | 0.04% | 417 | SH |
| 45 | INVESCO EXCHANGE TRADED FD T | RSP | 46137V357 | $206.9K | 0.04% | 966 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-14 | $462.7M | 45 | 0001951757-26-001000 |
| 2026-03-31 | 2026-04-10 | $429.8M | 47 | 0001951757-26-000578 |
| 2025-12-31 | 2026-01-06 | $398.7M | 44 | 0001951757-26-000008 |
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SOUTH EASTON, MA 02375