SEI Investments Company SEIC

Set alert

105.18 USD -3.44 (-3.17%)

At closeNov 5, 2026, 4:20 PM EST

105.18 0.00 0.00%

After hours · Nov 5, 4:20 PM ET

104.68 Day range 110.75

75.08 52-week range 112.15

Held by insiders 15.82%

Held by institutions 78.54%

Float held by institutions 93.30%

Institutions 796

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	8.37%	9,927,545	1.08B	Jun 29, 2026
LOOMIS SAYLES & CO L P	7.15%	8,482,052	921.32M	Jun 29, 2026
Vanguard Portfolio Management LLC	5.18%	6,140,822	667.02M	Jun 29, 2026
Vanguard Capital Management LLC	3.95%	4,686,241	509.02M	Jun 29, 2026
State Street Corporation	3.59%	4,251,584	461.81M	Jun 29, 2026
Morgan Stanley	3.47%	4,119,203	447.43M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Trust-iShares Core S&P Mid-Cap ETF	3.14%	3,719,339	403.99M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	2.90%	3,435,336	373.15M	Jun 29, 2026
Eaton Vance Growth Trust-Eaton Vance Atlanta Capital SMID-Cap Fund	2.29%	2,713,727	294.77M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.09%	2,483,119	269.72M	Jun 29, 2026
LOOMIS SAYLES FUNDS II-Loomis Sayles Growth Fund	1.80%	2,138,725	232.31M	Jun 29, 2026
John Hancock Funds III-Disciplined Value Mid Cap Fund	1.65%	1,961,053	213.01M	Aug 30, 2026

SEIC insiders
Insider	Relation	Latest transaction	Date	Shares held
DENHAM SEAN	Chief Financial Officer	Stock Award(Grant)	Dec 11, 2025	65,753
DORAN WILLIAM M	Director	Sale	Dec 21, 2025	623,802
HICKE RYAN P	Chief Executive Officer	Sale	Sep 2, 2026	207,983
LANE MICHAEL	Officer	Sale	Sep 21, 2026	39,911
MCCABE PHILIP N	Officer	Sale	Aug 4, 2026	57,623
MCCARTHY KATHRYN M	Director	Sale	Aug 2, 2026	77,883

Ownership