Security key
784117103
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 2,931
- Total 13F value
- $257,417
- Share change
- +491
- SEC-reported price per share
- $87.71
- Number of holders
- 4
- Value change
- +$43,171
- Number of buys
- 4
- Shares outstanding
- 122,303,095
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
4
Top holders
4
SEIC full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
SEI INVESTMENTS CO SEC filings
SEI INVESTMENTS CO company facts
Broader feeds
Reporting periods
Holder history for CUSIP 784117103
Recent filing periods:
Ownership snapshot
Top reported holders of SEIC - SEI INVESTMENTS CO - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
LOOMIS SAYLES & CO L P
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
26 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.1%
13D/G row: LOOMIS SAYLES & CO L P
Showing 1-6 of 15 holder rows.
Quick read
LOOMIS SAYLES & CO L P leads the comparable SEC ownership view at 7.1%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens LOOMIS SAYLES & CO L P's linked filing trail.
Comparable ownership
Top 5
LOOMIS SAYLES & CO L P
7.1%
BlackRock, Inc.
6.8%
VANGUARD PORTFOLIO MANAGEMENT LLC
5%
Alfred P. West Jr.
5.6%
Carmen Romeo
1.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| LOOMIS SAYLES & CO L P |
13D/G
13F
Company
|
7.1%
|
$684,261,359
8,683,520 shares
|
-$9,875,610 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.8%
from 13D/G
|
$793,358,144
10,110,337 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5%
|
$481,650,979
6,138,027 shares
|
$0 | 31 Mar 2026 |
| Alfred P. West Jr. |
3/4/5
Chairman Emeritus
|
5.6%
|
$600,637,348
6,818,451 shares
|
-$12,009,290 | 26 Jun 2026 |
| Carmen Romeo |
3/4/5
Director
|
1.3%
|
$124,885,851
1,560,293 shares
|
-$420,050 | 30 Dec 2025 |
| William Doran |
3/4/5
Director
|
0.51%
|
$56,001,581
618,802 shares
|
-$1,039,450 | 09 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
4
Shares
2,931
Rows available
4
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
565
Q2 2026 holders
4
Holder diff
-561
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend