SEI INVESTMENTS CO

SEIC · Security Brokers, Dealers & Flotation Companies · 120.3M shares · -4%/yr ↓ buyback · EDGAR filings ↗

Net buyback after stock comp: $278M (gross $309M, SBC $31M)

Reference price $90.50 · est. market cap ~$10.9B — last insider sale, 2026-06-09 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

A83

SEI Investments — high-margin investment-processing and asset-management firm.

Strengths

ROE 29% (94th pct), net margin 31% (76th)
Strong liquidity (current 3.3) and FCF
Recurring platform/AUM revenue

Risks

Market-linked AUM/fee sensitivity
Competitive fund-services market
Reinvestment needs

Notable findings

Exec changeRecent 8-K item 5.02 8-K ↗
Strong balance sheetStrong balance sheet — $400M cash & investments
Buying back stockNet buyback — share count -4%/yr over 4y
Insider sellingInsider selling — 16 open-market sale(s) by 8 insider(s) (cluster of 8 insiders, ~$19M, last 6mo) Form 4 ↗

Quarterly revenue

2025-06-30 · $560M2025-09-30 · $579M2025-12-31 · $608M2026-03-31 · $622M

Last 4 quarters · from SEC filings.

Key metrics

Gross margin

35.2%

Operating margin

27.3%

Net margin

31.1%

Return on equity

29.2%

Revenue growth (QoQ)

2.3%

Net-income growth

23.1%

Current ratio

3.3×

Free cash flow

$585M

Tangible book value

$1.7B

Cash & investments

$400M

Stock comp / revenue

2.3%

Insider transactions · last 18 months

Date	Insider	Type	Shares	Price
2026-06-09	DORAN WILLIAM	Sell	5.0K	$90.50
2026-05-04	MCCARTHY KATHRYN	Option exercise	5.0K	$49.63
2026-05-04	MCCARTHY KATHRYN	Option exercise	5.0K	$49.63
2026-05-04	MCCARTHY KATHRYN	Sell	10K	$91.07
2026-04-28	Warner Mark Andrew	Option exercise	4.0K	$48.47
2026-04-28	Warner Mark Andrew	Sell	4.0K	$91.16
2026-04-23	McCabe Philip	Sell	15K	$91.82
2026-04-23	Sharma Sanjay	Sell	23K	$90.08
2026-04-23	Sharma Sanjay	Sell	1.6K	$90.73
2026-04-23	Peterson Michael	Option exercise	10K	$48.47
2026-04-23	Peterson Michael	Sell	10K	$90.00
2026-04-23	Sharma Sanjay	Option exercise	12K	$49.63
2026-04-23	Sharma Sanjay	Option exercise	12K	$49.63
2026-03-31	Hicke Ryan	Tax withheld	4.3K	$77.21
2026-03-18	Denham Sean	Tax withheld	7.7K	$78.77
2026-03-11	WEST ALFRED P JR	Sell	1.4K	$79.94
2026-03-11	WEST ALFRED P JR	Sell	6.1K	$79.11
2026-03-10	WEST ALFRED P JR	Sell	178	$78.88
2026-03-10	WEST ALFRED P JR	Sell	25K	$79.97
2026-03-10	WEST ALFRED P JR	Sell	29K	$80.47
2026-02-25	Warner Mark Andrew	Grant	2.0K	$71.12
2026-02-25	Warner Mark Andrew	Grant	2.0K	$71.12
2026-02-25	Warner Mark Andrew	Sell	4.0K	$81.74
2026-01-29	Hicke Ryan	Option exercise	12K	$71.12
2026-01-29	Hicke Ryan	Option exercise	12K	$71.12
2026-01-29	Hicke Ryan	Option exercise	18K	$48.47
2026-01-29	Hicke Ryan	Option exercise	20K	$64.43
2026-01-29	Hicke Ryan	Option exercise	18K	$56.54
2026-01-29	Hicke Ryan	Sell	17K	$86.75
2026-01-29	Hicke Ryan	Sell	50K	$87.39
2026-01-29	Hicke Ryan	Sell	13K	$88.06
2026-01-01	WEST ALFRED P JR	Tax withheld	3.5K	$82.02
2025-12-30	ROMEO CARMEN	Gift	16K	—
2025-12-22	DORAN WILLIAM	Sell	7.0K	$83.85
2025-12-12	Peterson Michael	Grant	7.7K	—
2025-12-12	Denham Sean	Grant	13K	—
2025-12-12	LANE MICHAEL	Grant	8.9K	—
2025-12-12	McCabe Philip	Grant	8.4K	—
2025-12-12	Hicke Ryan	Grant	26K	—
2025-12-12	Sharma Sanjay	Grant	8.4K	—
2025-12-12	Sharma Sanjay	Grant	7.5K	—
2025-12-12	Risi Karin A.	Grant	2.3K	—
2025-12-12	GUARINO CARL	Grant	2.3K	—
2025-12-12	MCCARTHY KATHRYN	Grant	2.3K	—
2025-12-12	ROMEO CARMEN	Grant	2.3K	—
2025-12-12	Naratil Thomas C.	Grant	2.3K	—
2025-12-12	Brassington Jonathan	Grant	2.3K	—
2025-12-12	DORAN WILLIAM	Grant	2.3K	—
2025-12-05	MCCARTHY KATHRYN	Tax withheld	24	$81.25
2025-12-05	WEST ALFRED P JR	Tax withheld	1.1K	$81.25
2025-12-05	Peterson Michael	Tax withheld	1.1K	$81.25
2025-12-05	McCabe Philip	Tax withheld	1.1K	$81.25
2025-12-05	Warner Mark Andrew	Tax withheld	379	$81.25
2025-12-04	McCabe Philip	Option exercise	12K	$53.34
2025-12-04	McCabe Philip	Sell	12K	$81.11
2025-12-03	WEST ALFRED P JR	Option exercise	30K	$53.34
2025-12-03	WEST ALFRED P JR	Sell	25K	$80.87
2025-11-17	DORAN WILLIAM	Option exercise	10K	$53.34
2025-11-12	Peterson Michael	Option exercise	25K	$54.34
2025-11-12	Peterson Michael	Sell	25K	$84.21
2025-11-11	ROMEO CARMEN	Option exercise	5.0K	$53.34
2025-11-11	ROMEO CARMEN	Sell	5.0K	$84.01
2025-10-24	McCabe Philip	Option exercise	12K	$53.34
2025-09-29	MCCARTHY KATHRYN	Option exercise	10K	$53.34
2025-09-29	MCCARTHY KATHRYN	Sell	10K	$85.66
2025-09-23	GUARINO CARL	Option exercise	10K	$53.34
2025-09-23	GUARINO CARL	Sell	10K	$86.41
2025-09-16	LANE MICHAEL	Tax withheld	3.9K	$86.60
2025-08-19	Hicke Ryan	Option exercise	18K	$49.63
2025-08-19	Hicke Ryan	Option exercise	18K	$49.63
2025-08-19	Hicke Ryan	Sell	35K	$88.30
2025-08-07	Peterson Michael	Option exercise	7.1K	$61.81
2025-08-07	Peterson Michael	Sell	7.1K	$88.55
2025-08-05	Peterson Michael	Option exercise	684	$61.81
2025-08-05	Peterson Michael	Sell	684	$88.69
2025-07-31	Peterson Michael	Sell	4.7K	$88.51
2025-07-31	Peterson Michael	Option exercise	4.7K	$61.81
2025-07-29	Warner Mark Andrew	Option exercise	5.0K	$49.63
2025-07-29	Warner Mark Andrew	Sell	5.0K	$88.75
2025-07-22	Naratil Thomas C.	Grant	2.1K	—
2025-07-22	Risi Karin A.	Grant	2.1K	—
2025-05-29	WEST ALFRED P JR	Sell	1.6K	$85.21
2025-05-29	WEST ALFRED P JR	Sell	64K	$84.26
2025-05-28	WEST ALFRED P JR	Sell	75K	$85.78
2025-05-15	Peterson Michael	Option exercise	38K	$56.54
2025-05-15	Peterson Michael	Sell	50K	$84.27
2025-05-15	Peterson Michael	Option exercise	12K	$60.46
2025-05-14	Sharma Sanjay	Sell	20K	$83.40
2025-05-14	Hicke Ryan	Option exercise	24K	$53.34
2025-05-14	Hicke Ryan	Sell	21K	$83.36
2025-05-14	Sharma Sanjay	Option exercise	20K	$53.34
2025-03-31	Hicke Ryan	Tax withheld	4.3K	$77.11
2025-03-18	Denham Sean	Tax withheld	7.8K	$74.96
2025-03-05	WEST ALFRED P JR	Sell	1.4K	$76.28
2025-03-04	WEST ALFRED P JR	Sell	14K	$77.20
2025-03-04	WEST ALFRED P JR	Sell	18K	$75.77
2025-03-04	WEST ALFRED P JR	Sell	48K	$76.49
2025-03-03	Warner Mark Andrew	Option exercise	2.5K	$53.34
2025-03-03	Warner Mark Andrew	Option exercise	2.5K	$53.34
2025-03-03	Warner Mark Andrew	Sell	5.0K	$80.39
2025-03-03	WEST ALFRED P JR	Sell	32K	$78.82
2025-03-03	WEST ALFRED P JR	Sell	19K	$79.55
2025-03-03	WEST ALFRED P JR	Sell	22K	$80.30
2024-12-31	ROMEO CARMEN	Gift	6.3K	—
2024-12-31	DORAN WILLIAM	Gift	48K	—

All non-derivative Form 4 activity (SEC), newest first.

Notable events (8-K)

Date	Items
2026-05-28	Shareholder voteOtherExhibits	filing ↗
2026-04-22	ResultsReg FDExhibits	filing ↗
2026-03-02	Reg FDExhibits	filing ↗
2026-01-28	ResultsReg FDExhibits	filing ↗
2026-01-15	Exec/director changeExhibits	filing ↗
2025-12-17	Exec/director changeOtherExhibits	filing ↗
2025-12-03	Reg FDExhibits	filing ↗
2025-10-24	Other	filing ↗

Recent filings

Form	Filed	Period	Accession
8-K	2026-05-28	2026-05-27	0000350894-26-000033 ↗
10-Q	2026-04-27	2026-03-31	0000350894-26-000030 ↗
8-K	2026-04-22	2026-04-22	0000350894-26-000026 ↗
8-K	2026-03-02	2026-03-02	0000350894-26-000015 ↗
10-K	2026-02-23	2025-12-31	0000350894-26-000013 ↗
8-K	2026-01-28	2026-01-28	0000350894-26-000003 ↗
8-K	2026-01-15	2026-01-13	0000929638-26-000165 ↗
8-K	2025-12-17	2025-12-12	0000350894-25-000126 ↗
8-K	2025-12-03	2025-12-03	0000350894-25-000123 ↗
10-Q	2025-10-27	2025-09-30	0000350894-25-000120 ↗
8-K	2025-10-24	2025-10-20	0000350894-25-000115 ↗
8-K	2025-10-22	2025-10-22	0000350894-25-000113 ↗