| $705M | ||
| $677M | ||
| $350M | ||
| $213M | ||
| $93M | ||
| $77M |
Buys | $0 | 0 | 0 |
Sells | $49,441,293 | 29 | 100 |
| LANE MICHAEL | Executive Vice President | 0 | $0 | 1 | $246,672 | $-246,672 |
| ROMEO CARMEN | director | 0 | $0 | 2 | $968,550 | $-968,550 |
| GUARINO CARL | director | 0 | $0 | 1 | $1.03M | $-1.03M |
| DORAN WILLIAM | director | 0 | $0 | 2 | $1.04M | $-1.04M |
| MCCARTHY KATHRYN | director | 0 | $0 | 2 | $1.95M | $-1.95M |
| Warner Mark Andrew | See Remarks | 0 | $0 | 3 | $2.23M | $-2.23M |
| Sharma Sanjay | See Remarks* | 0 | $0 | 2 | $4.24M | $-4.24M |
| McCabe Philip | See Remarks | 0 | $0 | 4 | $5.5M | $-5.5M |
| Hicke Ryan | CHIEF EXECUTIVE OFFICER | 0 | $0 | 1 | $6.99M | $-6.99M |
| Peterson Michael | EXECUTIVE VICE PRESIDENT | 0 | $0 | 4 | $9.74M | $-9.74M |
| WEST ALFRED P JR | Executive Chairman | 0 | $0 | 7 | $15.51M | $-15.51M |
SEI Investments Company is a publicly traded enterprise primarily focused on asset management. Leveraging its network of subsidiaries, SEI delivers a comprehensive suite of financial offerings. These encompass wealth, retirement, and investment solutions, alongside specialized asset management, asset administration, and outsourced investment processing services, in addition to general financial services and investment advisory expertise. Its extensive client roster serves a diverse array of financial entities, including private banks, …
Over the last 12 months, insiders at SEI Investments Company have bought $0 and sold $49.44M worth of SEI Investments Company stock.
On average, over the past 5 years, insiders at SEI Investments Company have bought $0 and sold $52.17M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 3,110 shares for transaction amount of $154,909 was made by KLAUDER PAUL (EXECUTIVE VICE PRESIDENT) on 2019‑02‑05.
| 2026-09-30 | Sale | WEST ALFRED P JR | Chairman Emeritus | 5,483 0.0046% | $103.16 | $565,637 | +1.74% | |
| 2026-09-29 | Sale | WEST ALFRED P JR | Chairman Emeritus | 28,394 0.0237% | $103.40 | $2.94M | +1.02% | |
| 2026-09-22 | Sale | LANE MICHAEL | Executive Vice President | 2,400 0.002% | $102.78 | $246,672 | +0.81% | |
| 2026-09-01 | Sale | ROMEO CARMEN | director | 5,000 0.0042% | $109.70 | $548,500 | -4.30% | |
| 2026-08-28 | Sale | Peterson Michael | Executive Vice President | 37,500 0.0311% | $111.51 | $4.18M | -6.08% | |
| 2026-08-05 | Sale | McCabe Philip | See Remarks | 5,043 0.0042% | $105.50 | $532,037 | +0.49% | |
| 2026-08-04 | Sale | McCabe Philip | See Remarks | 24,957 0.0209% | $105.04 | $2.62M | +0.53% | |
| 2026-08-03 | Sale | MCCARTHY KATHRYN | director | 10,000 0.0083% | $103.53 | $1.04M | +1.04% | |
| 2026-07-28 | Sale | Peterson Michael | Executive Vice President | 25,000 0.0206% | $102.05 | $2.55M | +1.80% | |
| 2026-07-28 | Sale | GUARINO CARL | director | 10,000 0.0083% | $103.19 | $1.03M | +1.80% | |
| 2026-07-28 | Sale | Warner Mark Andrew | See Remarks* | 15,000 0.0124% | $102.35 | $1.54M | +1.80% | |
| 2026-07-24 | Sale | Sharma Sanjay | See Remarks* | 20,000 0.0167% | $99.33 | $1.99M | +5.67% | |
| 2026-06-29 | Sale | WEST ALFRED P JR | Chairman Emeritus | 7,332 0.0061% | $87.39 | $640,733 | +21.05% | |
| 2026-06-26 | Sale | WEST ALFRED P JR | Chairman Emeritus | 50,000 0.0416% | $87.25 | $4.36M | +20.00% | |
| 2026-06-09 | Sale | DORAN WILLIAM | director | 5,000 0.0042% | $90.50 | $452,500 | +15.55% | |
| 2026-05-04 | Sale | MCCARTHY KATHRYN | director | 10,000 0.0083% | $91.07 | $910,700 | +13.38% | |
| 2026-04-28 | Sale | Warner Mark Andrew | In Remarks | 4,000 0.0033% | $91.16 | $364,640 | +13.06% | |
| 2026-04-23 | Sale | McCabe Philip | See Remarks | 15,000 0.0124% | $91.82 | $1.38M | +13.28% | |
| 2026-04-23 | Sale | Sharma Sanjay | See Remarks* | 25,000 0.0217% | $90.12 | $2.25M | +13.28% | |
| 2026-04-23 | Sale | Peterson Michael | EXECUTIVE VICE PRESIDENT | 10,000 0.0087% | $90.00 | $900,000 | +13.28% |
| WEST ALFRED P JR | Chairman Emeritus | 6784574 5.7211% | $715.5M | 1 | 228 | +19.09% |
| GUARINO CARL | director | 18308 0.0154% | $1.93M | 1 | 6 | +18.6% |
| ZIMMER KEN | Senior Vice President | 686921 0.5793% | $72.44M | 2 | 0 | +26.54% |
| MCGONIGLE DENNIS | EVP, CFO | 594163 0.501% | $62.66M | 1 | 39 | +88.97% |
| SMITH THOMAS W | director | 198500 0.1674% | $20.93M | 4 | 4 | +12.4% |
| CRUDUP ROBERT | EXECUTIVE VICE PRESIDENT | 177500 0.1497% | $18.72M | 2 | 16 | +19.12% |
| Barr Kevin | Executive Vice President | 174741 0.1474% | $18.43M | 1 | 15 | <0.0001% |
| Klauder N Jeffrey | EXECUTIVE VICE PRESIDENT | 42194 0.0356% | $4.45M | 1 | 40 | +88.97% |
| Dasher Karl | Executive Vice President | 37140 0.0313% | $3.92M | 1 | 3 | +9.86% |
| KLAUDER PAUL | EXECUTIVE VICE PRESIDENT | 20752 0.0175% | $2.19M | 1 | 11 | +15.12% |
| Ujobai Joseph P | EXECUTIVE VICE PRESIDENT | 12540 0.0106% | $1.32M | 1 | 34 | +35.07% |
| SAMUELS MARK | Senior Vice President | 0 0% | $0 | 1 | 1 | +29.14% |
$17,726,772 | 973 | 11.49% | $5.27B | |
$40,533,374 | 200 | 9.71% | $13.73B | |
$325,736,276 | 99 | 19.25% | $42.34B | |
$10,117,325 | 42 | 22.70% | $44.6B | |
$11,590,445 | 37 | 22.20% | $3.76B |
| Increased Positions | 281 | +45.62% | 6M | +6.53% |
| Decreased Positions | 262 | -42.53% | 6M | -6.63% |
| New Positions | 78 | New | 2M | New |
| Sold Out Positions | 61 | Sold Out | 979,437 | Sold Out |
| Total Postitions | 635 | +3.08% | 89M | -0.1% |
| Vanguard Group Inc | $934,742.00 | 9.23% | 11.26M | +30,970 | +0.28% | 2025-09-30 |
| Blackrock, Inc. | $768,889.00 | 7.59% | 9.26M | +60,582 | +0.66% | 2025-09-30 |
| Loomis Sayles & Co L P | $745,102.00 | 7.36% | 8.98M | +134,800 | +1.52% | 2025-09-30 |
| Morgan Stanley | $464,337.00 | 4.59% | 5.59M | -40,586 | -0.72% | 2025-09-30 |
| State Street Corp | $376,582.00 | 3.72% | 4.54M | -208,903 | -4.4% | 2025-09-30 |
| Bank Of America Corp /De/ | $259,080.00 | 2.56% | 3.12M | -39,569 | -1.25% | 2025-09-30 |
| Geode Capital Management, Llc | $231,128.00 | 2.28% | 2.78M | +208,306 | +8.09% | 2025-09-30 |
| Beutel, Goodman & Co Ltd. | $167,925.00 | 1.66% | 2.02M | -577,666 | -22.21% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $154,652.00 | 1.53% | 1.86M | +31,953 | +1.75% | 2025-09-30 |
| Invesco Ltd. | $143,734.00 | 1.42% | 1.73M | +68,873 | +4.14% | 2025-09-30 |