SEI INVESTMENTS CO
Long book
$108.45B
Q1 2026
Positions
3228
Top-10 weight
19%
concentration
Last quarter
+13.2%
SPY +14.8%
Turnover
12%
of book per quarter
Strategy in plain words
auto-generated from filingsSEI INVESTMENTS CO is a mechanically diversified allocator, running a $108.45B US long book across 3228 positions.
The portfolio is broadly diversified across 3228 positions (top 10 only 19%). Turnover is modest: positions are typically held for years. Current anchor positions: NVIDIA CORP, APPLE INC, MICROSOFT CORP, AMAZON.COM INC, ALPHABET INC-CL C.
Over the last 9 quarters its long book ran on average 0.9pp per quarter behind the S&P 500, beating the index in 3 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
+1.1%
Q2 2024
+6.4%
Q3 2024
+0.4%
Q4 2024
-3.3%
Q1 2025
+10.0%
Q2 2025
+5.9%
Q3 2025
+1.4%
Q4 2025
-2.8%
Q1 2026
+13.2%
Sector allocation
Technology 33%
Industrials 15%
Financials 12%
Healthcare 9%
Consumer discretionary 9%
Services media 7%
Other 4%
Utilities 4%
Long book by quarter
What does SEI INVESTMENTS own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 21.7M | $3.78B | 3.5% | +12.7% |
| AAPL APPLE INC | Technology | 11.3M | $2.86B | 2.6% | +19.3% |
| MSFT MICROSOFT CORP | Technology | 7.0M | $2.59B | 2.4% | -1.6% |
| AMZN AMAZON.COM INC | Consumer discretionary | 10.5M | $2.19B | 2.0% | +10.2% |
| GOOG ALPHABET INC-CL C | Technology | 5.9M | $1.68B | 1.6% | +29.2% |
| AVGO BROADCOM INC | Technology | 5.1M | $1.57B | 1.4% | +23.4% |
| GOOGL ALPHABET INC-CL A | Technology | 4.2M | $1.20B | 1.1% | +8.7% |
| META META PLATFORMS INC-CLASS A | Technology | 2.0M | $1.13B | 1.0% | +15.3% |
| LLY ELI LILLY & CO | Healthcare | 767.3K | $705.8M | 0.7% | +19.2% |
| MA MASTERCARD INC - A | Services media | 1.2M | $621.4M | 0.6% | +5.0% |
| V VISA INC-CLASS A SHARES | Services media | 1.8M | $558.2M | 0.5% | -0.2% |
| TSLA TESLA INC | Industrials | 1.5M | $557.5M | 0.5% | +17.0% |
| NFLX NETFLIX INC | Services media | 5.2M | $502.5M | 0.5% | +9.9% |
| JNJ JOHNSON & JOHNSON | Healthcare | 2.0M | $479.5M | 0.4% | +16.4% |
| GE GENERAL ELECTRIC | Industrials | 1.3M | $382.9M | 0.4% | +36.0% |
| JPM JPMORGAN CHASE & CO | Financials | 1.3M | $382.0M | 0.4% | +35.3% |
| GEV GE VERNOVA INC | Industrials | 435.9K | $380.5M | 0.4% | -16.1% |
| ASML ASML HOLDING NV-NY REG SHS | Industrials | 287.2K | $379.4M | 0.3% | +223.7% |
| SPOT SPOTIFY TECHNOLOGY SA | Communications | 749.5K | $363.4M | 0.3% | +1.8% |
| AMD ADVANCED MICRO DEVICES | Technology | 1.7M | $354.9M | 0.3% | +34.0% |
| BKNG BOOKING HOLDINGS INC | Industrials | 83.6K | $352.0M | 0.3% | +96.5% |
| XOM EXXON MOBIL CORP | Energy | 2.0M | $335.2M | 0.3% | +32.0% |
| WWD WOODWARD INC | Industrials | 904.4K | $323.7M | 0.3% | +12.5% |
| SHOP SHOPIFY INC - CLASS A | Technology | 2.7M | $320.8M | 0.3% | +7.5% |
| PLTR PALANTIR TECHNOLOGIES INC-A | Technology | 2.1M | $310.5M | 0.3% | +88.8% |
| CBRE CBRE GROUP INC - A | Real estate | 2.2M | $295.5M | 0.3% | +8.7% |
| PH PARKER HANNIFIN CORP | Industrials | 329.3K | $294.9M | 0.3% | +55.9% |
| ISRG INTUITIVE SURGICAL INC | Healthcare | 633.7K | $292.1M | 0.3% | -4.1% |
| VZ VERIZON COMMUNICATIONS INC | Communications | 5.7M | $287.1M | 0.3% | +30.6% |
| RTX RTX CORP | Industrials | 1.5M | $285.1M | 0.3% | +31.9% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 591.4K | $283.4M | 0.3% | +10.3% |
| PM PHILIP MORRIS INTERNATIONAL | Consumer staples | 1.7M | $274.8M | 0.3% | +19.0% |
| T AT&T INC | Communications | 9.4M | $271.6M | 0.3% | +36.5% |
| MU MICRON TECHNOLOGY INC | Technology | 802.1K | $271.0M | 0.2% | +39.5% |
| MRK MERCK & CO. INC. | Healthcare | 2.1M | $252.9M | 0.2% | +13.9% |
| TDY TELEDYNE TECHNOLOGIES INC | Technology | 415.0K | $251.1M | 0.2% | +3.6% |
| BAC BANK OF AMERICA CORP | Financials | 5.1M | $247.7M | 0.2% | +18.6% |
| LIN LINDE PLC | Materials | 494.9K | $245.4M | 0.2% | +6.0% |
| C CITIGROUP INC | Financials | 2.2M | $245.0M | 0.2% | +13.9% |
| MCK MCKESSON CORP | Consumer discretionary | 283.0K | $244.9M | 0.2% | +0.7% |
| LRCX LAM RESEARCH CORP | Industrials | 1.1M | $238.1M | 0.2% | -3.4% |
| MS MORGAN STANLEY | Financials | 1.4M | $232.1M | 0.2% | +89.7% |
| CI THE CIGNA GROUP | Financials | 865.9K | $231.0M | 0.2% | +83.6% |
| LHX L3HARRIS TECHNOLOGIES INC | Technology | 666.5K | $230.1M | 0.2% | +11.3% |
| INSM INSMED INC | Healthcare | 1.4M | $228.2M | 0.2% | +56.8% |
| WMT WALMART INC | Consumer discretionary | 1.8M | $226.6M | 0.2% | +5.0% |
| CSCO CISCO SYSTEMS INC | Technology | 2.9M | $225.9M | 0.2% | -7.9% |
| AMAT APPLIED MATERIALS INC | Technology | 654.9K | $223.8M | 0.2% | +33.5% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 223.0K | $222.2M | 0.2% | +29.9% |
| CVX CHEVRON CORP | Energy | 1.1M | $221.6M | 0.2% | +53.7% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 13, 2026 | 6108 | $108.45B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 6077 | $101.31B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 5633 | $92.99B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 5589 | $86.27B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR/ARESTATEMENT | May 14, 2025 | 5482 | $77.70B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 13, 2025 | 5421 | $78.55B | SEC ↗ | |
| Q4 2024 | 13F-HR | Feb 11, 2025 | 5393 | $77.87B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 12, 2024 | 5342 | $77.01B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 5281 | $70.58B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 7, 2024 | 5159 | $68.25B | canonical | SEC ↗ |
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