SEIC
Sei Investments CoCompany with tickers: SEIC
CIK
350894
CUSIP
784117103
Shares Outstanding
120,272,976
Website
https://seic.com
Investor Relations
https://ir.seic.com/
13F Activity (30d)
53 filings
8 filers
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this stock, matched by the stock's CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding SEIC
332 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 3,505,642 | $275,087,728 | 0.01% | Long | 2026-03-31 | |
| Eaton Vance Atlanta Capital SMID-Cap Fund | — | 3,468,256 | $272,154,048 | 2.77% | Long | 2026-03-31 | |
| iShares Core S&P Mid-Cap ETF | — | 3,075,717 | $241,351,513 | 0.23% | Long | 2026-03-31 | |
| VANGUARD SMALL-CAP INDEX FUND | — | 2,537,093 | $199,085,688 | 0.12% | Long | 2026-03-31 | |
| Loomis Sayles Growth Fund | — | 2,243,897 | $176,078,598 | 1.10% | Long | 2026-03-31 | |
| VANGUARD SMALL-CAP VALUE INDEX FUND | — | 1,615,486 | $126,767,186 | 0.21% | Long | 2026-03-31 | |
| Disciplined Value Mid Cap Fund | — | 1,164,927 | $91,411,822 | 0.42% | Long | 2026-03-31 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 1,036,472 | $81,331,958 | 0.10% | Long | 2026-03-31 | |
| First Trust SMID Cap Rising Dividend Achievers ETF | — | 1,033,649 | $81,110,437 | 0.80% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) S&P(R) Dividend ETF | — | 877,562 | $68,862,290 | 0.33% | Long | 2026-03-31 | |
| State Street SPDR S&P MidCap 400SM ETF Trust | MDY | 700,168 | $54,942,183 | 0.23% | Long | 2026-03-31 | |
| Fidelity Extended Market Index Fund | — | 486,010 | $39,522,333 | 0.10% | Long | 2026-02-28 | |
| Strategic Advisers U.S. Total Stock Fund | — | 477,427 | $38,824,364 | 0.04% | Long | 2026-02-28 | |
| State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF | — | 453,729 | $35,604,115 | 0.23% | Long | 2026-03-31 | |
| Strategic Advisers Fidelity U.S. Total Stock Fund | — | 426,924 | $34,717,460 | 0.02% | Long | 2026-02-28 | |
| First Trust Value Line Dividend Index Fund | — | 431,416 | $33,853,214 | 0.42% | Long | 2026-03-31 | |
| iShares Russell Mid-Cap ETF | — | 390,347 | $30,630,529 | 0.06% | Long | 2026-03-31 | |
| Loomis Sayles Growth Portfolio | — | 376,564 | $29,548,977 | 1.08% | Long | 2026-03-31 | |
| VANGUARD STRATEGIC EQUITY FUND | — | 356,470 | $27,972,201 | 0.28% | Long | 2026-03-31 | |
| iShares S&P Mid-Cap 400 Growth ETF | — | 332,901 | $26,122,741 | 0.26% | Long | 2026-03-31 | |
| U.S. SMALL CAP PORTFOLIO | — | 293,752 | $25,806,113 | 0.14% | Long | 2026-01-31 | |
| ProShares S&P MidCap 400 Dividend Aristocrats ETF | — | 298,309 | $24,258,488 | 1.37% | Long | 2026-02-28 | |
| Royce Premier Fund | — | 284,894 | $22,355,632 | 2.24% | Long | 2026-03-31 | |
| Royce Small-Cap Fund | — | 274,408 | $21,532,796 | 1.18% | Long | 2026-03-31 | |
| ROYCE SMALL-CAP TRUST, INC. | RVT | 264,994 | $20,794,079 | 0.93% | Long | 2026-03-31 | |
| Brown Advisory - Beutel Goodman Large-Cap Value Fund | — | 262,472 | $20,596,178 | 2.06% | Long | 2026-03-31 | |
| Schwab U.S. Mid-Cap ETF | — | 251,376 | $20,441,896 | 0.15% | Long | 2026-02-28 | |
| First Trust Financials AlphaDEX Fund | — | 203,096 | $18,416,745 | 1.71% | Long | 2026-04-30 | |
| iShares Russell 1000 Value ETF | — | 234,278 | $18,383,795 | 0.03% | Long | 2026-03-31 | |
| U.S. CORE EQUITY 1 PORTFOLIO | — | 206,798 | $18,167,204 | 0.05% | Long | 2026-01-31 | |
| LORD ABBETT MID CAP STOCK FUND INC | — | 223,560 | $17,542,753 | 1.61% | Long | 2026-03-31 | |
| ALPS | OShares U.S. Small-Cap Quality Dividend ETF | — | 212,726 | $17,298,878 | 1.85% | Long | 2026-02-28 | |
| Multi-Manager Large Cap Growth Strategies Fund | — | 220,252 | $17,283,174 | 0.37% | Long | 2026-03-31 | |
| U.S. CORE EQUITY 2 PORTFOLIO | — | 185,624 | $16,307,068 | 0.04% | Long | 2026-01-31 | |
| iShares S&P Mid-Cap 400 Value ETF | — | 193,516 | $15,185,201 | 0.19% | Long | 2026-03-31 | |
| Focused Appreciation Portfolio | — | 189,194 | $14,846,053 | 1.09% | Long | 2026-03-31 | |
| VANGUARD FINANCIALS INDEX FUND | — | 175,527 | $14,273,856 | 0.10% | Long | 2026-02-28 | |
| Fidelity Total Market Index Fund | — | 173,714 | $14,126,422 | 0.01% | Long | 2026-02-28 | |
| BlackRock Advantage Small Cap Core Fund | — | 162,508 | $13,215,151 | 0.29% | Long | 2026-02-27 | |
| Boston Trust SMID Cap Fund | — | 162,448 | $12,747,295 | 1.83% | Long | 2026-03-31 | |
| WisdomTree U.S. Quality Dividend Growth Fund | — | 160,254 | $12,575,131 | 0.08% | Long | 2026-03-31 | |
| iShares Russell Mid-Cap Value ETF | — | 147,669 | $11,587,586 | 0.08% | Long | 2026-03-31 | |
| VANGUARD S&P MID-CAP 400 INDEX FUND | — | 141,668 | $11,520,442 | 0.22% | Long | 2026-02-28 | |
| Franklin Global Allocation Fund | — | 142,721 | $11,199,317 | 0.41% | Long | 2026-03-31 | |
| Fidelity Series Total Market Index Fund | — | 137,651 | $11,193,779 | 0.01% | Long | 2026-02-28 | |
| Select Brokerage and Investment Management Portfolio | — | 124,400 | $10,116,208 | 1.02% | Long | 2026-02-28 | |
| EQ/Loomis Sayles Growth Portfolio | — | 123,238 | $9,670,486 | 1.26% | Long | 2026-03-31 | |
| VANGUARD TAX-MANAGED CAPITAL APPRECIATION FUND | — | 120,864 | $9,484,198 | 0.04% | Long | 2026-03-31 | |
| iShares Core S&P Total U.S. Stock Market ETF | — | 112,984 | $8,865,854 | 0.01% | Long | 2026-03-31 | |
| Bridge Builder Small/Mid Cap Value Fund | — | 112,545 | $8,831,406 | 0.10% | Long | 2026-03-31 |
Showing 1–50 of 332 positions