Heffernan Advisory, Inc.
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed July 21, 2026), Heffernan Advisory, Inc. reported 43 stock positions worth $119.5 million. Its top holding was Dimensional Core Fixed (DFCF) at 40.6% of the portfolio, followed by Dimensional US Core Equity 2 (DFAC, 10.5%) and Dimensional US Core Eq 1 ETF (DCOR, 10.4%). Compared with Q1 2026, it opened 19 new positions, added to 15 and reduced 4. The biggest buy was a new position in Seagate Technology (STX) and the biggest sale Dimensional Core Fixed (DFCF, shares −2%).
- Most Recent 13F
- Q2 2026
- Location
- FLAGSTAFF, AZ
- CIK
- 0001536230
- Portfolio Value
- $119.5M (Q2 2026)
- SEC Filing
- 0001536230-26-000005 ↗ filed Jul 21, 2026
Holdings Value
Holdings 43 stocks · $119.5M
| DFCF Dimensional Core Fixed Inc. | 40.58% | 1,148,842 | $48.5M | Reduce -1.9% |
| DFAC Dimensional US Core Equity 2 | 10.50% | 282,755 | $12.5M | Add +2.7% |
| DCOR Dimensional US Core Eq 1 ETF | 10.42% | 151,842 | $12.4M | Add +2.7% |
| DFSD Dimensional Short Duration | 6.46% | 161,760 | $7.7M | Add +7.4% |
| DFIC Dimensional International Co. | 5.68% | 182,089 | $6.8M | Add +2.8% |
| DFGX Dimsnl Intr CF in ETF-Usd Inc. | 4.35% | 97,067 | $5.2M | Add +5.9% |
| LVHD Franklin U.S. Low Volatility | 3.28% | 89,021 | $3.9M | Reduce -1.0% |
| DFEM Dimensional Emrg MRKT Core | 2.71% | 79,564 | $3.2M | Add +2.4% |
| DGCB Dimensional Global Credit | 2.20% | 48,043 | $2.6M | Add +3.0% |
| UTES Virtus Reaves Utilities ETF | 1.31% | 19,146 | $1.6M | Reduce -4.7% |
| VTI VG Morningstar TS MKT ETF-US | 1.14% | 3,670 | $1.4M | Add +0.4% |
| DFNM Dimensional National Muni BD | 1.05% | 25,930 | $1.3M | Add +4.2% |
| STX Seagate Technology Holdings | 0.73% | 900 | $869K | New |
| IBMQ iShares Ibonds Dec 2028 Muni | 0.71% | 33,148 | $848K | No change |
| IBMP iShares Ibonds Dec 2027 Term | 0.70% | 33,092 | $841K | No change |
| IBMO iShares Ibonds Dec 2026 Term | 0.70% | 32,664 | $838K | No change |
| AMLP Alerian MLP ETF | 0.65% | 14,928 | $774K | Reduce -5.1% |
| DFGR Dim Global Real Estate ETF | 0.55% | 22,681 | $657K | Add +3.4% |
| MA Mastercard Inc. Class A | 0.47% | 1,094 | $562K | Add +22.4% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.42% | 680 | $508K | New |
| VGT Vanguard Info Tech ETF | 0.40% | 4,000 | $478K | New |
| FLEX Flex Ltd. | 0.34% | 2,500 | $405K | New |
| AAPL Apple Inc. | 0.34% | 1,392 | $403K | New |
| V Visa Inc. Class A | 0.30% | 1,041 | $357K | Add +40.5% |
| MRVL Marvell Technology Inc. | 0.30% | 1,196 | $356K | New |
| DY Dycom Industries Inc. | 0.30% | 700 | $354K | New |
| AMAT Applied Materials Inc. | 0.29% | 480 | $347K | New |
| MSFT Microsoft Corp. | 0.24% | 764 | $285K | Add +35.5% |
| DFAT Dimensional US Target Value | 0.24% | 4,029 | $282K | Add +0.3% |
| IWM iShares Russell 2000 ETF | 0.23% | 900 | $270K | New |
| ORI Old Republic Intl Corp. | 0.22% | 6,509 | $266K | No change |
| CPT Camden Property Trust | 0.22% | 2,264 | $259K | New |
| MXL Maxlinear Inc. | 0.21% | 2,000 | $256K | New |
| IWF iShares Russell 1000 Growth | 0.21% | 2,000 | $248K | New |
| CIEN Ciena Corp. | 0.21% | 500 | $245K | New |
| MU Micron Technology Inc. | 0.19% | 200 | $231K | New |
| MGV Vngrd Mrgstr MG CP VL ETF-Ui | 0.19% | 1,402 | $229K | Add +0.5% |
| URI United Rentals Inc. | 0.19% | 200 | $227K | New |
| DFAU Dimensional US Core Equity M | 0.19% | 4,375 | $226K | New |
| VMRK Vivmark Residential filed as EQUITY RESIDENTIAL | 0.18% | 3,179 | $216K | New |
| PANW Palo Alto Networks Inc. | 0.17% | 600 | $205K | New |
| GOOG Alphabet Inc. Class C | 0.17% | 574 | $203K | New |
| GNL Global Net Lease Inc. | 0.10% | 12,896 | $115K | No change |
Portfolio Sells Q1 2026 → Q2 2026
Portfolio Buys Q1 2026 → Q2 2026
| STX Seagate Technology Holdings | New | 0.73% | +0.73 |
| DFAC Dimensional US Core Equity 2 | Add +2.7% | 10.50% | +0.57 |
| DCOR Dimensional US Core Eq 1 ETF | Add +2.7% | 10.42% | +0.53 |
| SPY SS SPDR S&P 500 ETF Trust-US | New | 0.42% | +0.42 |
| VGT Vanguard Info Tech ETF | New | 0.40% | +0.40 |
| FLEX Flex Ltd. | New | 0.34% | +0.34 |
| AAPL Apple Inc. | New | 0.34% | +0.34 |
| MRVL Marvell Technology Inc. | New | 0.30% | +0.30 |
| DY Dycom Industries Inc. | New | 0.30% | +0.30 |
| AMAT Applied Materials Inc. | New | 0.29% | +0.29 |
| IWM iShares Russell 2000 ETF | New | 0.23% | +0.23 |
| CPT Camden Property Trust | New | 0.22% | +0.22 |
| DFEM Dimensional Emrg MRKT Core | Add +2.4% | 2.71% | +0.22 |
| MXL Maxlinear Inc. | New | 0.21% | +0.21 |
| IWF iShares Russell 1000 Growth | New | 0.21% | +0.21 |
| CIEN Ciena Corp. | New | 0.21% | +0.21 |
| MU Micron Technology Inc. | New | 0.19% | +0.19 |
| URI United Rentals Inc. | New | 0.19% | +0.19 |
| DFAU Dimensional US Core Equity M | New | 0.19% | +0.19 |
| VMRK Vivmark Residential | New | 0.18% | +0.18 |
| PANW Palo Alto Networks Inc. | New | 0.17% | +0.17 |
| GOOG Alphabet Inc. Class C | New | 0.17% | +0.17 |
| V Visa Inc. Class A | Add +40.5% | 0.30% | +0.09 |
| MA Mastercard Inc. Class A | Add +22.4% | 0.47% | +0.06 |
| VTI VG Morningstar TS MKT ETF-US | Add +0.4% | 1.14% | +0.05 |
| MSFT Microsoft Corp. | Add +35.5% | 0.24% | +0.04 |
| DFGR Dim Global Real Estate ETF | Add +3.4% | 0.55% | +0.01 |
| MGV Vngrd Mrgstr MG CP VL ETF-Ui | Add +0.5% | 0.19% | +0.00 |
| DFAT Dimensional US Target Value | Add +0.3% | 0.24% | +0.00 |
| DFNM Dimensional National Muni BD | Add +4.2% | 1.05% | −0.06 |
| DFGX Dimsnl Intr CF in ETF-Usd Inc. | Add +5.9% | 4.35% | −0.11 |
| DGCB Dimensional Global Credit | Add +3.0% | 2.20% | −0.15 |
| DFIC Dimensional International Co. | Add +2.8% | 5.68% | −0.16 |
| DFSD Dimensional Short Duration | Add +7.4% | 6.46% | −0.22 |