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SEI Investments (SEIC)
NASDAQ
$109.57+$0.04 (+0.04%)
Price as of Aug 21, 2026 7:30 PM EDT- $13.1BMarket Cap
- 22.96%1-Year Change
- Asset ManagementIndustry
SEI Investments (SEIC)
$109.57+$0.04 (+0.04%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK FUNDING, INC. /DE | 9.58% | 11.5M | +92,569 (+0.80%) | Dec 31, 2024 |
BLACKROCK INC. | 9.58% | 11.5M | -221,137 (-1.92%) | Jun 30, 2024 |
VANGUARD GROUP INC | 9.22% | 11.1M | -189,226 (-1.71%) | Dec 31, 2025 |
BLACKROCK, INC. | 8.27% | 9.9M | -182,792 (-1.84%) | Jun 30, 2026 |
LOOMIS SAYLES & CO L P | 7.07% | 8.5M | -146,827 (-1.73%) | Jun 30, 2026 |
N/A | 5.12% | 6.1M | +15,179 (+0.25%) | Jun 30, 2026 |
VANGUARD PORTFOLIO MANAGEMENT LLC | 5.12% | 6.1M | +15,179 (+0.25%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
PARNASSUS FUNDS | 22.51% | 27.0M | 0 (0.00%) | Jun 30, 2026 |
VANGUARD INDEX FUNDS | 7.24% | 8.7M | +99,328 (+1.14%) | Mar 31, 2026 |
EATON VANCE GROWTH TRUST | 2.89% | 3.5M | 0 (0.00%) | May 31, 2026 |
LOOMIS SAYLES FUNDS II | 1.87% | 2.2M | -19,095 (-0.85%) | Mar 31, 2026 |
SPDR SERIES TRUST | 1.38% | 1.7M | 0 (0.00%) | Apr 30, 2026 |
FIDELITY PURITAN TRUST | 1.01% | 1.2M | +900,385 (+74.54%) | Apr 30, 2026 |
John Hancock Funds III | 0.97% | 1.2M | +1.2M (+100.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions1.8B (69.23%)
- Mutual Funds775.4M (30.13%)
- Insiders16.6M (0.64%)
- Other0 (0.00%)
Insider Transactions
- 0.64% (16.6M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 10Number of InsiderSelling (last 12 months)
- $5.4BAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
McCabe Philip See Remarks | Exempt | Aug 05, 2026 | $0.00 | 5,043 | $0.00 | 0 |
McCabe Philip See Remarks | Exempt | Aug 05, 2026 | $250,284.09 | 5,043 | $49.63 | 59,927 |
McCabe Philip See Remarks | Sell | Aug 05, 2026 | $532,036.50 | 5,043 | $105.50 | 54,884 |
McCabe Philip See Remarks | Exempt | Aug 04, 2026 | $494,165.91 | 9,957 | $49.63 | 64,841 |
McCabe Philip See Remarks | Exempt | Aug 04, 2026 | $744,450.00 | 15,000 | $49.63 | 79,841 |
McCabe Philip See Remarks | Sell | Aug 04, 2026 | $2.6M | 24,957 | $105.04 | 54,884 |
McCabe Philip See Remarks | Exempt | Aug 04, 2026 | $0.00 | 9,957 | $0.00 | 5,043 |
McCabe Philip See Remarks | Exempt | Aug 04, 2026 | $0.00 | 15,000 | $0.00 | 0 |
MCCARTHY KATHRYN | Exempt | Aug 03, 2026 | $0.00 | 5,000 | $0.00 | 0 |
MCCARTHY KATHRYN | Exempt | Aug 03, 2026 | $0.00 | 5,000 | $0.00 | 0 |
MCCARTHY KATHRYN | Exempt | Aug 03, 2026 | $355,600.00 | 5,000 | $71.12 | 82,883 |
MCCARTHY KATHRYN | Exempt | Aug 03, 2026 | $355,600.00 | 5,000 | $71.12 | 87,883 |
MCCARTHY KATHRYN | Sell | Aug 03, 2026 | $1.0M | 10,000 | $103.53 | 77,883 |
Warner Mark Andrew See Remarks* | Exempt | Jul 28, 2026 | $0.00 | 2,500 | $0.00 | 0 |
GUARINO CARL | Exempt | Jul 28, 2026 | $0.00 | 5,000 | $0.00 | 0 |
Peterson Michael Executive Vice President | Exempt | Jul 28, 2026 | $0.00 | 25,000 | $0.00 | 0 |
GUARINO CARL | Exempt | Jul 28, 2026 | $0.00 | 5,000 | $0.00 | 0 |
Warner Mark Andrew See Remarks* | Exempt | Jul 28, 2026 | $0.00 | 2,500 | $0.00 | 0 |
GUARINO CARL | Exempt | Jul 28, 2026 | $248,150.00 | 5,000 | $49.63 | 23,308 |
Peterson Michael Executive Vice President | Exempt | Jul 28, 2026 | $1.4M | 25,000 | $55.73 | 45,148 |
GUARINO CARL | Exempt | Jul 28, 2026 | $248,150.00 | 5,000 | $49.63 | 28,308 |
Warner Mark Andrew See Remarks* | Exempt | Jul 28, 2026 | $0.00 | 5,000 | $0.00 | 0 |
GUARINO CARL | Sell | Jul 28, 2026 | $1.0M | 10,000 | $103.19 | 18,308 |
Peterson Michael Executive Vice President | Sell | Jul 28, 2026 | $2.6M | 25,000 | $102.05 | 20,148 |
Warner Mark Andrew See Remarks* | Exempt | Jul 28, 2026 | $0.00 | 5,000 | $0.00 | 0 |
Warner Mark Andrew See Remarks* | Exempt | Jul 28, 2026 | $161,075.00 | 2,500 | $64.43 | 3,421 |
Warner Mark Andrew See Remarks* | Exempt | Jul 28, 2026 | $161,075.00 | 2,500 | $64.43 | 5,921 |
Warner Mark Andrew See Remarks* | Exempt | Jul 28, 2026 | $282,700.00 | 5,000 | $56.54 | 10,921 |
Warner Mark Andrew See Remarks* | Exempt | Jul 28, 2026 | $282,700.00 | 5,000 | $56.54 | 15,921 |
Warner Mark Andrew See Remarks* | Sell | Jul 28, 2026 | $232,541.50 | 2,300 | $101.11 | 13,621 |