SEI INVTS CO SEIC
COM · Common Stock · CUSIP 784117103 · ISIN US7841171033
Financial services company
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($22.2m this quarter). Holder counts are more reliable. Shares outstanding: 129.9m as of 2024-07-17, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $64.69. Options: 6 managers hold calls ($9.9m notional), 4 hold puts ($13.8m).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 435 |
| Q4 2022 | 447 |
| Q1 2023 | 447 |
| Q2 2023 | 459 |
| Q3 2023 | 463 |
| Q4 2023 | 493 |
| Q1 2024 | 477 |
| Q2 2024 | 494 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 178 | 201 |
| Q1 2023 | 181 | 211 |
| Q2 2023 | 195 | 206 |
| Q3 2023 | 194 | 208 |
| Q4 2023 | 190 | 214 |
| Q1 2024 | 180 | 240 |
| Q2 2024 | 230 | 200 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $1.3m | $60.2k | 0.05 |
| Q4 2023 | $1.6m | $82.6k | 0.05 |
| Q1 2024 | $8.2m | $560.6k | 0.07 |
| Q2 2024 | $9.9m | $13.8m | 1.40 |
Biggest buyers
| STATE STREET CORP | Added | +289.2k |
| DIMENSIONAL FUND ADVISORS LP | Added | +222.6k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Added | +220.0k |
| Azora Capital LP | Added | +199.1k |
| Balyasny Asset Management L.P. | Added | +146.3k |
| BROWN ADVISORY INC | Added | +142.2k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Added | +124.9k |
| JUPITER ASSET MANAGEMENT LTD | New | +120.4k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +118.8k |
| JANE STREET GROUP, LLC | Added | +87.3k |
Biggest sellers
| MORGAN STANLEY | Reduced | -11.9m |
| CANADA LIFE ASSURANCE Co | Reduced | -812.2k |
| Tandem Investment Advisors, Inc. | Reduced | -288.2k |
| Thrivent Financial for Lutherans | Reduced | -233.0k |
| BlackRock Inc. | Reduced | -221.1k |
| ROYAL BANK OF CANADA | Reduced | -187.8k |
| NORGES BANK | Reduced | -172.5k |
| CITADEL ADVISORS LLC | Reduced | -171.3k |
| Qube Research & Technologies Ltd | Reduced | -168.8k |
| Ophir Asset Management Pty Ltd | Reduced | -160.6k |
Biggest calls
| Portman Square Capital LLP | New | $4.2m65.3k shares |
| CITADEL ADVISORS LLC | Reduced | $2.7m41.4k shares |
| JANE STREET GROUP, LLC | Reduced | $2.3m35.1k shares |
| PEAK6 Investments LLC | Reduced | $672.8k10.4k shares |
| SIMPLEX TRADING, LLC | Reduced | $25.0k400 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| Portman Square Capital LLP | New | $13.5m208.0k shares |
| PEAK6 Investments LLC | Reduced | $304.0k4.7k shares |
| CITADEL ADVISORS LLC | Reduced | $71.2k1.1k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +1.1 pts · filed 2026-10-27 | 7.9% |
| LOOMIS SAYLES & CO L P 13G · exempt (held before listing) -0.1 pts · filed 2026-08-14 | 7.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.0% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)
Insider purchases and sales in Q2 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 2 | $2.8m | — |
| Q4 2022 | 0 | — | 6 | $13.4m | — |
| Q1 2023 | 0 | — | 3 | $13.6m | — |
| Q2 2023 | 0 | — | 2 | $12.0m | — |
| Q3 2023 | 0 | — | 5 | $14.0m | — |
| Q4 2023 | 0 | — | 3 | $14.9m | — |
| Q1 2024 | 0 | — | 4 | $15.5m | — |
| Q2 2024 | 0 | — | 2 | $13.2m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-06-24 | DORAN WILLIAM Director | Sold | $335.2k5.0k shares |
| 2024-05-14 | WEST ALFRED P JR Executive Chairman, director | Sold | $32.3k475 shares |
| 2024-05-13 | WEST ALFRED P JR Executive Chairman, director | Sold | $3.3m48.0k shares |
| 2024-05-10 | WEST ALFRED P JR Executive Chairman, director | Sold | $4.8m70.0k shares |
| 2024-05-09 | WEST ALFRED P JR Executive Chairman, director | Sold | $4.8m70.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2024
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.01% of their portfolio | 11.8m $765.8m | Reduced -5.5k |
| BlackRock Inc. 0.02% of their portfolio | 11.5m $743.5m | Reduced -221.1k |
| LOOMIS SAYLES & CO L P 0.84% of their portfolio | 9.4m $610.8m | Added +75.1k |
| STATE STREET CORP 0.02% of their portfolio | 6.1m $395.3m | Added +289.2k |
| MORGAN STANLEY 0.03% of their portfolio | 5.9m $384.7m | Reduced -11.9m |
| Beutel, Goodman & Co Ltd. 1.39% of their portfolio | 4.1m $262.4m | Added +38.5k |
| BANK OF AMERICA CORP /DE/ 0.02% of their portfolio | 3.0m $196.5m | Reduced -12.7k |
| Invesco Ltd. 0.03% of their portfolio | 2.4m $154.9m | Added +23.7k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 2.2m $143.4m | Added +118.8k |
| ROYCE & ASSOCIATES LP 0.89% of their portfolio | 1.5m $94.7m | Reduced -807 |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 1.4m $89.3m | Added +222.6k |
| Boston Trust Walden Corp 0.62% of their portfolio | 1.3m $83.9m | Reduced -3.7k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 1.2m $76.8m | Added +36.8k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 1.0m $65.1m | Added +75.7k |
| CITADEL ADVISORS LLC 0.06% of their portfolio | 912.8k $59.1m | Reduced -171.3k |
| FIRST TRUST ADVISORS LP 0.06% of their portfolio | 896.7k $58.0m | Reduced -156.6k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 894.2k $57.8m | Added +21.4k |
| Legal & General Group Plc 0.02% of their portfolio | 875.9k $56.7m | Reduced -16.9k |
| BROWN ADVISORY INC 0.07% of their portfolio | 841.0k $54.4m | Added +142.2k |
| Azora Capital LP 3.03% of their portfolio | 819.9k $53.0m | Added +199.1k |
| NATIXIS ADVISORS, LLC 0.09% of their portfolio | 675.3k $43.7m | Reduced -3.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 667.5k $43.2m | Added +15.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 535.6k $34.6m | Added +124.9k |
| RAYMOND JAMES & ASSOCIATES 0.02% of their portfolio | 524.6k $33.9m | Added +24.1k |
| ProShare Advisors LLC 0.08% of their portfolio | 465.0k $30.1m | Added +2.7k |
| Tandem Investment Advisors, Inc. 1.11% of their portfolio | 433.1k $28.0m | Reduced -288.2k |
| Caisse de depot et placement du Quebec 0.06% of their portfolio | 413.6k $26.8m | Reduced -114.8k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 405.1k $26.2m | Added +28.0k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.09% of their portfolio | 393.6k $25.5m | Added +220.0k |
| KBC Group NV 0.08% of their portfolio | 387.7k $25.1m | Added +3.3k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 381.4k $24.7m | Added +4.7k |
| AQR CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 367.1k $23.7m | Added +41.1k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 361.7k $23.4m | Reduced -187.8k |
| ACADIAN ASSET MANAGEMENT LLC 0.07% of their portfolio | 356.3k $23.0m | Reduced -78.8k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 354.8k $22.9m | Reduced -6.1k |
| HSBC HOLDINGS PLC 0.01% of their portfolio | 347.1k $22.5m | Reduced -32.5k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 344.9k $22.3m | Added +553 |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 342.2k $22.1m | Reduced -42.2k |
| AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio | 311.5k $20.1m | Added +21.6k |
| AMERICAN CAPITAL MANAGEMENT INC 0.66% of their portfolio | 304.3k $19.7m | Reduced -1.3k |
| JLB & ASSOCIATES INC 2.50% of their portfolio | 285.8k $18.5m | Reduced -641 |
| Retirement Systems of Alabama 0.07% of their portfolio | 282.2k $18.3m | Reduced -1.9k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 272.1k $17.6m | Added +48.2k |
| Sumitomo Mitsui Trust Group, Inc. 0.01% of their portfolio | 271.5k $17.6m | Reduced -8.4k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 261.8k $16.9m | Added +40.7k |
| Amundi 0.01% of their portfolio | 260.7k $17.1m | Reduced -3.3k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 256.9k $16.6m | Reduced -13.4k |
| Ophir Asset Management Pty Ltd 2.92% of their portfolio | 254.6k $16.5m | Reduced -160.6k |
| FMR LLC 0.00% of their portfolio | 253.1k $16.4m | Added +28.0k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.02% of their portfolio | 244.9k $15.8m | Reduced -85 |
| Man Group plc 0.04% of their portfolio | 226.1k $14.6m | Added +37.9k |
| Balyasny Asset Management L.P. 0.04% of their portfolio | 219.5k $14.2m | Added +146.3k |
| Leith Wheeler Investment Counsel Ltd. 1.22% of their portfolio | 218.9k $14.2m | Added +1.6k |
| Thrivent Financial for Lutherans 0.03% of their portfolio | 210.1k $13.6m | Reduced -233.0k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio | 207.4k $13.4m | Reduced -45.8k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.03% of their portfolio | 201.8k $13.1m | Added +4.7k |
| Interval Partners, LP 0.38% of their portfolio | 200.2k $13.0m | Reduced -804 |
| State of Alaska, Department of Revenue 0.14% of their portfolio | 198.8k $12.9m | Unchanged |
| CITIGROUP INC 0.01% of their portfolio | 197.4k $12.8m | Reduced -18.3k |
| RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio | 196.4k $12.7m | Reduced -78.1k |
| PGGM Investments 0.18% of their portfolio | 194.5k $12.6m | Reduced -842 |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 192.4k $12.4m | Reduced -94.8k |
| TD Asset Management Inc 0.01% of their portfolio | 189.9k $12.3m | Added +5.7k |
| Vestcor Inc 0.41% of their portfolio | 188.1k $12.2m | Unchanged |
| BARCLAYS PLC 0.01% of their portfolio | 182.2k $11.8m | Reduced -75.3k |
| Prana Capital Management, LP 0.55% of their portfolio | 177.5k $11.5m | Added +10.0k |
| Markel Group Inc. 0.11% of their portfolio | 173.2k $11.2m | Unchanged |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.06% of their portfolio | 166.5k $10.8m | Added +5.4k |
| California Public Employees Retirement System 0.01% of their portfolio | 164.2k $10.6m | Reduced -1.4k |
| DANSKE BANK A/S 0.04% of their portfolio | 161.3k $10.4m | Added +4.9k |
| VICTORY CAPITAL MANAGEMENT INC 0.01% of their portfolio | 160.3k $10.4m | Added +13.9k |
| ALPS ADVISORS INC 0.07% of their portfolio | 156.8k $10.1m | Added +21.5k |
| Mitsubishi UFJ Trust & Banking Corp 0.02% of their portfolio | 155.1k $10.0m | Added +9.6k |
| Korea Investment CORP 0.02% of their portfolio | 151.9k $9.8m | Reduced -20.3k |
| TWO SIGMA ADVISERS, LP 0.02% of their portfolio | 151.5k $9.8m | Reduced -107.4k |
| Qube Research & Technologies Ltd 0.02% of their portfolio | 151.4k $9.8m | Reduced -168.8k |
| Allianz Asset Management GmbH 0.02% of their portfolio | 150.1k $9.7m | Added +34.6k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 148.9k $9.6m | Reduced -16.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 146.2k $9.5m | Reduced -2.3k |
| NORGES BANK 0.00% of their portfolio | 143.5k $9.3m | Reduced -172.5k |
| Robeco Institutional Asset Management B.V. 0.02% of their portfolio | 143.0k $9.2m | Added +29.1k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.02% of their portfolio | 141.8k $9.2m | Reduced -9.4k |
| TRUIST FINANCIAL CORP 0.01% of their portfolio | 141.1k $9.1m | Reduced -6.2k |
| UBS Group AG 0.00% of their portfolio | 136.4k $8.8m | Added +5.3k |
| Andra AP-fonden 0.15% of their portfolio | 135.8k $8.8m | Added +42.5k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 132.1k $8.5m | Reduced -6.2k |
| Corebridge Financial, Inc. 0.04% of their portfolio | 126.3k $8.2m | First filing |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 125.0k $8.2m | Added +5.4k |
| OSAIC HOLDINGS, INC. 0.02% of their portfolio | 120.4k $7.8m | Added +125 |
| JUPITER ASSET MANAGEMENT LTD 0.07% of their portfolio | 120.4k $7.8m | New |
| West Coast Financial LLC 0.89% of their portfolio | 116.1k $7.5m | Added +63.5k |
| Crestwood Advisors Group, LLC 0.15% of their portfolio | 108.8k $7.0m | Reduced -14 |
| MARTINGALE ASSET MANAGEMENT L P 0.15% of their portfolio | 106.7k $6.9m | Added +9.6k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 104.8k $6.8m | Added +87.3k |
| Achmea Investment Management B.V. 0.12% of their portfolio | 103.0k $6.7m | Added +7.0k |
| ABN AMRO INVESTMENT SOLUTIONS 0.12% of their portfolio | 102.8k $6.7m | Reduced -6.4k |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 101.4k $6.6m | Reduced -14.0k |
| CANADA LIFE ASSURANCE Co 0.01% of their portfolio | 100.3k $6.5m | Reduced -812.2k |
| PINEBRIDGE INVESTMENTS, L.P. 0.05% of their portfolio | 100.3k $6.5m | Reduced -21.3k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 92.8k $6.0m | Reduced -139.5k |