SEI Investments Company (SEIC) has 20 known insider and institutional holders on record. The largest holder is WEST ALFRED P JR with 6,883,230 shares. Other notable holders include ROMEO CARMEN and DORAN WILLIAM.
Over the last 12 months, insiders have made 51 transactions in SEIC stock — 16 buys (valued at $8.61M) and 5 sells (valued at $9.64M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
SEIC Insider Ownership
Top Holder
WEST ALFRED P JR
6,883,230 shares
Buys (12 mo)
16
$8.61M value
Sells (12 mo)
5
$9.64M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
West Alfred P Jr |
Other: Chairman Emeritus |
6,883,230 |
2026-03-12 |
|
| 2 |
Romeo Carmen |
Director |
1,560,293 |
2025-12-30 |
|
| 3 |
Doran William |
Director |
623,802 |
2025-12-23 |
|
| 4 |
Hicke Ryan |
Chief Executive Officer |
192,815 |
2026-04-01 |
|
| 5 |
Barr Kevin |
Executive Vice President |
184,741 |
2022-12-12 |
|
| 6 |
Mccarthy Kathryn |
Director |
77,883 |
2025-12-29 |
|
| 7 |
Mccabe Philip |
See Remarks |
69,884 |
2025-12-29 |
|
| 8 |
Denham Sean |
Executive VP, CFO, COO |
57,758 |
2026-03-19 |
|
| 9 |
Lane Michael |
Executive Vice President |
41,981 |
2025-12-16 |
|
| 10 |
Mcgonigle Dennis |
EVP, CFO |
37,500 |
2023-02-28 |
|
| 11 |
Sharma Sanjay |
See Remarks* |
32,329 |
2025-12-16 |
|
| 12 |
Crudup Robert |
Executive Vice President |
25,000 |
2016-12-14 |
|
| 13 |
Klauder Paul |
Executive Vice President |
25,000 |
2021-12-14 |
|
| 14 |
Meyer Stephen |
Executive Vice President |
25,000 |
2021-12-14 |
|
| 15 |
Peterson Michael |
Executive Vice President |
20,148 |
2025-12-29 |
|
| 16 |
Guarino Carl |
Director |
18,308 |
2025-12-16 |
|
| 17 |
Klauder N Jeffrey |
Executive Vice President |
16,363 |
2018-03-15 |
|
| 18 |
Withrow Wayne |
Executive Vice President |
7,500 |
2024-02-09 |
|
| 19 |
Brassington Jonathan |
Director |
6,207 |
2025-12-16 |
|
| 20 |
Naratil Thomas C. |
Director |
4,342 |
2025-12-16 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-31 |
Hicke Ryan |
Chief Executive Officer |
Unknown |
- |
- |
- |
| 2026-03-31 |
Hicke Ryan |
Chief Executive Officer |
Tax Withholding of RSU |
4,349 |
$77.21 |
$335.79K |
| 2026-03-18 |
Denham Sean |
Executive VP, CFO, COO |
Tax Withholding of RSU |
7,673 |
$78.77 |
$604.4K |
| 2026-03-11 |
West Alfred P Jr |
Other: Chairman Emeritus |
Informative Sell |
1,371 |
$79.94 |
$109.6K |
| 2026-03-10 |
West Alfred P Jr |
Other: Chairman Emeritus |
Informative Sell |
29,431 |
$80.47 |
$2.37M |
| 2026-02-25 |
Warner Mark Andrew |
Other: See Remarks |
Option Exercise (Sell) |
2,000 |
$71.12 |
$142.24K |
| 2026-01-29 |
Hicke Ryan |
Chief Executive Officer |
Option Exercise (Sell) |
12,500 |
$71.12 |
$889K |
| 2026-01-01 |
West Alfred P Jr |
Other: Chairman Emeritus |
Tax Withholding of RSU |
3,482 |
$82.02 |
$285.59K |
| 2025-12-30 |
Romeo Carmen |
Director |
Gift (Given) |
15,500 |
- |
- |
| 2025-12-05 |
Warner Mark Andrew |
Other: See Remarks |
Tax Withholding of RSU |
379 |
$81.25 |
$30.79K |
| 2025-12-05 |
Mccabe Philip |
See Remarks |
Tax Withholding of RSU |
1,094 |
$81.25 |
$88.89K |
| 2025-12-05 |
Peterson Michael |
Executive Vice President |
Tax Withholding of RSU |
1,063 |
$81.25 |
$86.37K |
| 2025-12-05 |
Mccarthy Kathryn |
Director |
Tax Withholding of RSU |
24 |
$81.25 |
$1.95K |
| 2025-12-05 |
West Alfred P Jr |
Executive Chairman |
Tax Withholding of RSU |
1,100 |
$81.25 |
$89.38K |
| 2025-12-22 |
Doran William |
Director |
Informative Sell |
7,000 |
$83.85 |
$586.95K |
| 2025-12-12 |
Risi Karin A. |
Director |
RSU Award |
2,266 |
- |
- |
| 2025-12-12 |
Lane Michael |
Executive Vice President |
RSU Award |
8,916 |
- |
- |
| 2025-12-12 |
Denham Sean |
Executive Vice President, CFO |
RSU Award |
49,000 |
$83.00 |
$4.07M |
| 2025-12-12 |
Naratil Thomas C. |
Director |
RSU Award |
2,266 |
- |
- |
| 2025-12-12 |
Brassington Jonathan |
Director |
RSU Award |
2,266 |
- |
- |
| 2025-12-12 |
Mccabe Philip |
See Remarks |
RSU Award |
47,000 |
$83.00 |
$3.9M |
| 2025-12-12 |
Sharma Sanjay |
See Remarks* |
RSU Award |
8,434 |
- |
- |
| 2025-12-12 |
Hicke Ryan |
Chief Executive Officer |
RSU Award |
25,904 |
- |
- |
| 2025-12-12 |
Peterson Michael |
Executive Vice President |
RSU Award |
7,711 |
- |
- |
| 2025-12-12 |
Romeo Carmen |
Director |
RSU Award |
2,266 |
- |
- |
