13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0000350894
Total reported value
$113.3B
$113.3B
3228 檔
11.6%
As reported in its official Q1 2026 Form 13F filing, Sei Investments Co's tracked investment portfolio stood at $113.3B with 3228 total positions.
In Q1 2026, Sei Investments Co displayed an active expansion posture, initiating 5 new positions and adding to 134 existing holdings, outstripping position reductions.
Showing top 200 holdings (of 3228 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 3.49% | +0.10% | +12.72% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 2.63% | -0.47% | +19.28% | |
| 3 | MSFT | Microsoft CORP | Stock-Tech | 2.39% | -0.44% | -1.56% | |
| 4 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 2.02% | -0.17% | +10.24% | |
| 5 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 1.55% | +0.23% | +29.22% | |
| 6 | VEA | Vanguard Ftse Developed ETF | ETF-Other | 1.46% | +0.10% | -3.65% | |
| 7 | AVGO | Broadcom Inc | Stock-Tech | 1.45% | +0.04% | +23.38% | |
| 8 | SCHG | Schwab US Large-cap Growth | ETF-Other | 1.28% | +0.14% | +7.59% | |
| 9 | BND | Vanguard Total Bond Market | ETF-Other | 1.26% | +0.04% | +4.33% | |
| 10 | SCHV | Schwab US Large-cap Value | ETF-Other | 1.26% | +0.12% | -2.22% | |
| 11 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 1.11% | +0.14% | +8.67% | |
| 12 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.04% | -0.14% | +15.26% | |
| 13 | IDEV | Ishares Core Msci Dev Mkts | ETF-Other | 0.96% | +0.06% | +2.41% | |
| 14 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 0.81% | +0.09% | +11.84% | |
| 15 | SCHX | Schwab US Large-cap ETF | ETF-Other | 0.77% | +0.07% | +5.02% | |
| 16 | VTV | Vanguard Value ETF | ETF-Other | 0.69% | +0.06% | +1.93% | |
| 17 | VTEB | Vanguard Tax-exempt Bond ETF | ETF-Other | 0.65% | +0.06% | +4.88% | |
| 18 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.65% | +0.08% | +19.15% | |
| 19 | NXUS | Nuveen Intnatinal Agg Bd ETF | ETF-Other | 0.60% | +0.04% | +57.82% | |
| 20 | VUG | Vanguard Growth ETF | ETF-Other | 0.59% | +0.09% | +1.07% | |
| 21 | IEMG | Ishares Core Msci Emerging | ETF-Emerging Markets | 0.58% | +0.09% | -4.27% | |
| 22 | MA | Mastercard Inc - A | Stock-Financials | 0.57% | -0.13% | +4.99% | |
| 23 | SEIV | Sei Qim US Large Cap Value A | ETF-Large Cap & Growth | 0.57% | +0.05% | +1.25% | |
| 24 | SEIM | Sei Qim US Large Cap Momentu | ETF-Large Cap & Growth | 0.57% | +0.07% | +2.51% | |
| 25 | VWO | Vanguard Ftse Emerging Marke | ETF-Emerging Markets | 0.56% | +0.04% | +0.89% | |
| 26 | BNDX | Vanguard Total Intl Bond ETF | ETF-Other | 0.54% | +0.02% | +6.25% | |
| 27 | MUB | Ishares National Muni Bond E | ETF-Other | 0.52% | -0.04% | +0.12% | |
| 28 | V | Visa Inc-class A Shares | Stock-Financials | 0.51% | +0.07% | -0.17% | |
| 29 | TSLA | Tesla Inc | Stock-Consumer Disc | 0.51% | -0.01% | +17.00% | |
| 30 | WELL | Welltower Inc | Stock-Real Estate | 0.48% | +0.04% | +10.27% | |
| 31 | NFLX | Netflix Inc | Stock-Comm Services | 0.46% | -0.31% | +9.89% | |
| 32 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.44% | -0.08% | +16.44% | |
| 33 | SPHY | Ss Spdr P High Yield ETF | ETF-High Yield | 0.43% | +0.01% | +5.66% | |
| 34 | SCHA | Schwab US Small-cap ETF | ETF-Other | 0.40% | +0.04% | -0.16% | |
| 35 | SCHO | Schwab Short-term US Treas | ETF-Other | 0.37% | — | -10.00% | |
| 36 | GE | General Electric | Stock-Industrials | 0.35% | +0.04% | +36.02% | |
| 37 | JPM | Jpmorgan Chase & Co | Stock-Financials | 0.35% | -0.01% | +35.30% | |
| 38 | GEV | GE Vernova Inc | Stock-Industrials | 0.35% | +0.02% | -16.11% | |
| 39 | ASML | ASML Holding N.V. | Stock-Tech | 0.35% | +0.11% | +223.74% | |
| 40 | SPOT | Spotify Technology S.A. | Stock-Comm Services | 0.34% | -0.14% | +1.82% | |
| 41 | AMD | Advanced Micro Devices | Stock-Tech | 0.33% | +0.33% | +33.98% | |
| 42 | BKNG | Booking Holdings Inc | Stock-Consumer Disc | 0.32% | -0.18% | +96.53% | |
| 43 | SCHP | Schwab U.s. Tips ETF | ETF-Other | 0.32% | — | +5.25% | |
| 44 | XOM | Exxon Mobil CORP | Stock-Energy | 0.31% | -0.08% | +32.01% | |
| 45 | WWD | Woodward Inc | Stock-Industrials | 0.30% | +0.07% | +12.50% | |
| 46 | VBR | Vanguard Small-cap Value ETF | ETF-Other | 0.30% | +0.02% | -0.42% | |
| 47 | SHOP | Shopify Inc - Class A | Stock-Tech | 0.30% | -0.08% | +7.54% | |
| 48 | IEFA | Ishares Core Msci Eafe ETF | ETF-Other | 0.30% | +0.01% | -2.96% | |
| 49 | ACWV | Ishares Msci Global Min Vol | ETF-Other | 0.29% | — | +2.10% | |
| 50 | PAAA | Pgim Aaa Clo ETF | ETF-Other | 0.29% | — | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ASML | ASML Holding N.V. | +0.3% | +223.74% | Add |
| 2 | NXUS | Nuveen Intnatinal Agg Bd ETF | +0.2% | +57.82% | Add |
| 3 | GOOG | Alphabet Inc-cl C | +0.2% | +29.22% | Add |
| 4 | XOM | Exxon Mobil CORP | +0.1% | +32.01% | Add |
| 5 | TSM | Taiwan Semiconductor-sp Adr | +0.1% | +11.84% | Add |
| 6 | AAPL | Apple Inc | +0.1% | +19.28% | Add |
| 7 | JNJ | Johnson & Johnson | +0.1% | +16.44% | Add |
| 8 | BKNG | Booking Holdings Inc | +0.1% | +96.53% | Add |
| 9 | ELAN | Elanco Animal Health Inc | +0.1% | +737.50% | Add |
| 10 | CVX | Chevron CORP | +0.1% | +53.69% | Add |
| 11 | TT | Trane Technologies plc | +0.1% | +261.46% | Add |
| 12 | PLTR | Palantir Technologies Inc-a | +0.1% | +88.81% | Add |
| 13 | PH | Parker Hannifin CORP | +0.1% | +55.88% | Add |
| 14 | MU | Micron Technology Inc | +0.1% | +39.54% | Add |
| 15 | VRT | Vertiv Holdings Co-a | +0.1% | +153.75% | Add |
| 16 | AMAT | Applied Materials Inc | +0.1% | +33.53% | Add |
| 17 | VZ | Verizon Communications Inc | +0.1% | +30.59% | Add |
| 18 | CI | THE Cigna Group | +0.1% | +83.61% | Add |
| 19 | T | At&t Inc | +0.1% | +36.53% | Add |
| 20 | MS | Morgan Stanley | +0.1% | +89.67% | Add |
| 21 | BCI | Abrdn Bloomberg All Commodit | +0.1% | +30.64% | Add |
| 22 | CHRW | C.h. Robinson Worldwide Inc | +0.1% | +532.72% | Add |
| 23 | OXY | Occidental Petroleum CORP | +0.1% | +247.02% | Add |
| 24 | CF | Cf Industries Holdings Inc | +0.1% | -0.05% | Trim |
| 25 | ORLY | O'reilly Automotive Inc | +0.1% | +163.30% | Add |
| 26 | WWD | Woodward Inc | +0.1% | +12.50% | Add |
| 27 | RTX | Rtx CORP | +0.1% | +31.93% | Add |
| 28 | EQIX | Equinix Inc | +0.1% | +11.75% | Add |
| 29 | INSM | Insmed Inc | +0.1% | +56.80% | Add |
| 30 | FORM | Formfactor Inc | +0.1% | -0.16% | Trim |
| 31 | AEP | American Electric Power | +0.1% | +39.88% | Add |
| 32 | EW | Edwards Lifesciences CORP | +0.1% | +203.19% | Add |
| 33 | GE | General Electric | +0.1% | +36.02% | Add |
| 34 | AMD | Advanced Micro Devices | +0.1% | +33.98% | Add |
| 35 | COST | Costco Wholesale CORP | +0.1% | +29.91% | Add |
| 36 | MSI | Motorola Solutions Inc | +0.1% | +134.76% | Add |
| 37 | COP | Conocophillips | +0.1% | +22.52% | Add |
| 38 | BP | Bp Plc-spons Adr | +0.1% | +48.71% | Add |
| 39 | CMCSA | Comcast Corp-class A | +0.1% | +57.48% | Add |
| 40 | AVGO | Broadcom Inc | 0% | +23.38% | Add |
| 41 | WELL | Welltower Inc | 0% | +10.27% | Add |
| 42 | JPM | Jpmorgan Chase & Co | 0% | +35.30% | Add |
| 43 | MRK | Merck & Co. Inc. | 0% | +13.88% | Add |
| 44 | FLEX | Flex Ltd. | 0% | +52.15% | Add |
| 45 | CB | Chubb Limited | 0% | +44.67% | Add |
| 46 | LHX | L3harris Technologies Inc | 0% | +11.26% | Add |
| 47 | WDC | Western Digital CORP | 0% | +5.09% | Add |
| 48 | BKR | Baker Hughes Co | 0% | -2.13% | Trim |
| 49 | EXC | Exelon CORP | 0% | +50.38% | Add |
| 50 | KLAC | Kla CORP | 0% | +31.52% | Add |
According to official SEC Form 13F filings, Sei Investments Co reported a total U.S. public equity portfolio value of $113.3B across 3228 disclosed positions in Q1 2026.
During Q1 2026, Sei Investments Co's top holdings by market value included NVDA (3.5%)、AAPL (2.6%)、MSFT (2.4%). The largest single position, NVDA, represented 3.5% of total portfolio value.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including NVDA, AAPL, MSFT) accounted for 11.6% of total reported equity market value during Q1 2026.
Top New Position Initiated
PAAA
市值: $311.6M
Top Position Liquidated / Trimmed
AZNN
前期市值: $88.8M
In Q1 2026, Sei Investments Co made 200 total portfolio adjustments, initiating 5 new buys, adding to 134 positions, trimming 58 holdings, and fully liquidating 3 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.