Index Fund Advisors, Inc.
Long book
$2.22B
Q1 2026
Positions
127
Top-10 weight
85%
concentration
Last quarter
+12.1%
SPY +14.8%
Turnover
30%
of book per quarter
Strategy in plain words
auto-generated from filingsIndex Fund Advisors, Inc. is a wealth-management firm allocating client money, running a $2.22B US long book across 127 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: DIMENSIONAL US SMALL CAP ETF, DIMENSIONAL US TARGET VALUE, DIMENSIONAL US EQ MKT ETF, DIMENSIONAL US MARKETWIDE VA, DIMENSIONAL INTERNATIONAL VA.
Over the last 9 quarters its long book ran on average 0.7pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-1.6%
Q2 2024
+7.2%
Q3 2024
-0.1%
Q4 2024
-3.7%
Q1 2025
+7.2%
Q2 2025
+7.4%
Q3 2025
+3.3%
Q4 2025
+2.0%
Q1 2026
+12.1%
Sector allocation
Technology 38%
Consumer discretionary 22%
Financials 18%
Healthcare 13%
Industrials 4%
Services media 2%
Other 1%
Consumer staples 1%
Long book by quarter
What does Index Fund own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 11.2K | $11.1M | 0.5% | +0.5% |
| GBCI GLACIER BANCORP INC | Financials | 213.6K | $9.5M | 0.4% | New |
| JNJ JOHNSON & JOHNSON | Healthcare | 26.8K | $6.6M | 0.3% | -14.0% |
| NVDA NVIDIA CORP | Technology | 36.9K | $6.4M | 0.3% | 0.0% |
| AAPL APPLE INC | Technology | 21.7K | $5.5M | 0.2% | -0.5% |
| AMZN AMAZON.COM INC | Consumer discretionary | 24.9K | $5.2M | 0.2% | -14.7% |
| MSFT MICROSOFT CORP | Technology | 10.6K | $3.9M | 0.2% | +16.5% |
| APH AMPHENOL CORP-CL A | Technology | 21.3K | $2.7M | 0.1% | +0.4% |
| META META PLATFORMS INC-CLASS A | Technology | 4.5K | $2.6M | 0.1% | -27.5% |
| GOOGL ALPHABET INC-CL A | Technology | 6.6K | $1.9M | 0.1% | +32.1% |
| TSLA TESLA INC | Industrials | 4.8K | $1.8M | 0.1% | +54.5% |
| GOOG ALPHABET INC-CL C | Technology | 4.9K | $1.4M | 0.1% | +3.3% |
| V VISA INC-CLASS A SHARES | Services media | 3.7K | $1.1M | 0.1% | -54.9% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 2.3K | $1.1M | 0.0% | +12.9% |
| NET CLOUDFLARE INC - CLASS A | Technology | 5.3K | $1.1M | 0.0% | -50.8% |
| ABBV ABBVIE INC | Healthcare | 4.7K | $1.0M | 0.0% | New |
| LLY ELI LILLY & CO | Healthcare | 1.1K | $973K | 0.0% | -15.5% |
| JPM JPMORGAN CHASE & CO | Financials | 3.0K | $882K | 0.0% | +52.6% |
| MRVL MARVELL TECHNOLOGY INC | Technology | 7.4K | $734K | 0.0% | 0.0% |
| STT STATE STREET CORP | Financials | 5.7K | $717K | 0.0% | Held |
| AVGO BROADCOM INC | Technology | 2.1K | $653K | 0.0% | -3.7% |
| KO COCA-COLA CO/THE | Consumer staples | 6.3K | $479K | 0.0% | New |
| KVUE KENVUE INC | Other | 27.2K | $468K | 0.0% | -14.5% |
| LRCX LAM RESEARCH CORP | Industrials | 1.9K | $405K | 0.0% | +0.1% |
| ANET ARISTA NETWORKS INC | Technology | 3.3K | $404K | 0.0% | +0.1% |
| KLAC KLA CORP | Other | 270 | $398K | 0.0% | New |
| BAC BANK OF AMERICA CORP | Financials | 7.5K | $363K | 0.0% | +8.4% |
| XOM EXXON MOBIL CORP | Energy | 2.0K | $333K | 0.0% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 12, 2026 | 127 | $2.22B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 29, 2026 | 146 | $2.13B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 22, 2025 | 145 | $2.06B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 25, 2025 | 144 | $1.78B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 30, 2025 | 95 | $1.62B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 29, 2025 | 106 | $1.85B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 22, 2024 | 108 | $1.89B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 2, 2024 | 96 | $1.77B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 13, 2024 | 96 | $1.81B | canonical | SEC ↗ |