Skip to main content

SEI Investments Co

SEIC
Exchange
Nasdaq
Industry
Security Brokers, Dealers & Flotation Companies
SEC CIK
0000350894

In the last 90 days, SEI Investments Co insiders filed 0 open-market purchases and 10 sales; 575 institutions reported holding it in 13F filings for Q2 2026, worth $7.94B in total; Markel Group is the only superinvestor holding it.

13F holders, Q2 2023

Institutional positions in SEI Investments Co as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
458
+15 vs. Q1 2023
Shares held
93.2M
+388.7K (+0.4%) vs. Q1 2023
Total value
$5.53B
+$182.4M (+3.4%) vs. Q1 2023
New holders
57
141 more added
Sold out
42
162 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SEIC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2023: 458 institutions
Q1 2021: 443 institutionsQ2 2021: 440 institutionsQ3 2021: 446 institutionsQ4 2021: 472 institutionsQ1 2022: 465 institutionsQ2 2022: 456 institutionsQ3 2022: 433 institutionsQ4 2022: 446 institutionsQ1 2023: 444 institutionsQ2 2023: 458 institutionsQ3 2023: 462 institutionsQ4 2023: 491 institutionsQ1 2024: 475 institutionsQ2 2024: 493 institutionsQ3 2024: 502 institutionsQ4 2024: 540 institutionsQ1 2025: 546 institutionsQ2 2025: 564 institutionsQ3 2025: 550 institutionsQ4 2025: 562 institutionsQ1 2026: 569 institutionsQ2 2026: 575 institutions
Value heldQ2 2023: $5.53B
Q1 2021: $5.97BQ2 2021: $6.04BQ3 2021: $5.73BQ4 2021: $5.94BQ1 2022: $5.81BQ2 2022: $5.18BQ3 2022: $4.63BQ4 2022: $5.45BQ1 2023: $5.36BQ2 2023: $5.53BQ3 2023: $5.63BQ4 2023: $5.90BQ1 2024: $6.77BQ2 2024: $6.02BQ3 2024: $6.35BQ4 2024: $7.52BQ1 2025: $7.27BQ2 2025: $8.09BQ3 2025: $7.51BQ4 2025: $7.31BQ1 2026: $7.06BQ2 2026: $7.94B
Institutions holding SEIC and their total value by quarter
QuarterHoldersValue
Q2 2026575$7.94B
Q1 2026569$7.06B
Q4 2025562$7.31B
Q3 2025550$7.51B
Q2 2025564$8.09B
Q1 2025546$7.27B
Q4 2024540$7.52B
Q3 2024502$6.35B
Q2 2024493$6.02B
Q1 2024475$6.77B
Q4 2023491$5.90B
Q3 2023462$5.63B
Q2 2023458$5.53B
Q1 2023444$5.36B
Q4 2022446$5.45B
Q3 2022433$4.63B
Q2 2022456$5.18B
Q1 2022465$5.81B
Q4 2021472$5.94B
Q3 2021446$5.73B
Q2 2021440$6.04B
Q1 2021443$5.97B

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q1 2023.

Institutions holding SEIC in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
US Bancorp1,726$102.9K0.00%−513−22.9%Reduced
Ci Investments Inc.1,742$104.0K0.00%+136+8.5%Added
Hills Bank & Trust Co1,821$108.6K0.01%−282−13.4%Reduced
Column Capital Advisors, LLC1,880$112.1K0.02%00.0%Unchanged
Hollencrest Capital Management1,896$113.0K0.01%00.0%Unchanged
Dividend Assets Capital, LLC1,950$116.0K0.02%−1,850−48.7%Reduced
Covestor Ltd2,087$124.0K0.09%+238+12.9%Added
Bokf, NA2,091$124.7K0.00%−652−23.8%Reduced
Signaturefd, LLC2,312$137.8K0.00%−258−10.0%Reduced
Lumature Wealth Partners, LLC2,500$149.1K0.09%00.0%Unchanged
State of Wyoming2,908$173.4K0.05%−50−1.7%Reduced
Federation des caisses Desjardins du Quebec3,079$183.6K0.00%00.0%Unchanged
Wetherby Asset Management Inc3,410$203.3K0.01%+3,410New
Petrus Trust Company, LTA3,606$215.0K0.02%00.0%Unchanged
GW Henssler & Associates Ltd3,673$219.0K0.01%−50−1.3%Reduced
Arnhold LLC3,675$219.1K0.02%00.0%Unchanged
Baldwin Investment Management, LLC3,700$220.6K0.04%−600−14.0%Reduced
Pitcairn Co3,762$224.3K0.02%−86−2.2%Reduced
Morningstar Investment Management LLC3,785$226.0K0.03%+3,785New
Capstone Investment Advisors, LLC3,835$228.6K0.01%+3,835New
Ossiam3,856$229.9K0.00%+1,837+91.0%Added
Axq Capital, LP3,926$234.1K0.29%+3,926New
WBH Advisory Inc4,000$238.5K0.03%00.0%Unchanged
Advisor Partners II, LLC4,025$240.0K0.01%+4,025New
Public Employees Retirement Association of Colorado4,145$247.0K0.00%−6,047−59.3%Reduced
Wrapmanager Inc4,200$250.4K0.08%+42+1.0%Added
Lindenwold Advisors4,205$250.7K0.15%−1,242−22.8%Reduced
Quantinno Capital Management LP4,205$251.0K0.01%+4,205New
Teza Capital Management LLC4,363$260.1K0.04%+4,363New
Citadel Investment Advisory, Inc.4,375$261.0K0.17%00.0%Unchanged
Cadent Capital Advisors, LLC4,491$267.8K0.17%00.0%Unchanged
Veritable, L.P.4,499$268.2K0.00%+103+2.3%Added
Great Diamond Partners, LLC4,516$269.2K0.07%+226+5.3%Added
Bridgefront Capital, LLC4,540$270.7K0.15%+4,540New
Seven Eight Capital, LP4,549$271.2K0.04%+4,549New
Winton Group Ltd4,882$291.1K0.02%−30,925−86.4%Reduced
JJJ Advisors Inc.4,926$293.7K0.08%+1,182+31.6%Added
Shelton Capital Management5,026$299.6K0.01%−246−4.7%Reduced
La Banque Postale Asset Management SA5,107$304.5K0.01%00.0%Unchanged
Commonwealth Equity Services, LLC5,376$321.0K0.00%−33−0.6%Reduced
Metis Global Partners, LLC5,410$322.5K0.02%+1,138+26.6%Added
Investment House LLC5,432$323.9K0.02%00.0%Unchanged
Mercer Global Advisors Inc5,446$325.0K0.00%−409−7.0%Reduced
MQS Management LLC5,486$327.1K0.22%+5,486New
New York Life Investment Management LLC5,503$328.1K0.00%+5,503New
Tower Research Capital LLC (TRC)5,599$333.8K0.01%+3,566+175.4%Added
Stifel Financial Corp5,653$337.0K0.00%−40−0.7%Reduced
Snowden Capital Advisors LLC5,738$342.1K0.01%−550−8.7%Reduced
Grant/GrossMendelsohn, LLC5,700$343.7K0.14%+5,700New
CIBC Asset Management Inc5,884$350.8K0.00%−42−0.7%Reduced
Prudential PLC5,924$353.2K0.00%−23,485−79.9%Reduced
First Citizens Bank & Trust Co5,973$356.1K0.01%+5,973New
Neo Ivy Capital Management6,015$359.0K0.19%+6,015New
Wilbanks Smith & Thomas Asset Management LLC6,077$362.3K0.01%−14−0.2%Reduced
Sherbrooke Park Advisers LLC6,200$369.6K0.19%+6,200New
Verition Fund Management LLC6,450$384.5K0.01%+6,450New
Haverford Trust Co6,613$394.3K0.00%−80−1.2%Reduced
Beaumont Financial Advisors, LLC6,643$396.1K0.04%00.0%Unchanged
Segall Bryant & Hamill, LLC6,732$401.4K0.00%00.0%Unchanged
Ethic Inc.6,756$402.8K0.01%−80−1.2%Reduced
AdvisorShares Investments LLC6,823$406.8K0.12%+6,823New
XTX Topco Ltd6,881$410.2K0.07%−1,414−17.0%Reduced
Daiwa Securities Group Inc.6,900$411.0K0.00%−864−11.1%Reduced
Sciencast Management LP7,100$420.9K0.34%+7,100New
Centiva Capital, LP7,069$421.5K0.02%+7,069New
Front Street Capital Management, Inc.7,105$424.0K0.09%00.0%Unchanged
Creative Planning7,117$424.3K0.00%+1,353+23.5%Added
Fayez Sarofim & Co7,300$435.2K0.00%00.0%Unchanged
Banque Cantonale Vaudoise7,416$442.0K0.02%00.0%Unchanged
Diversified Trust Co7,450$444.2K0.02%−444−5.6%Reduced
Mariner, LLC7,515$448.0K0.00%+555+8.0%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC7,625$454.6K0.03%−69−0.9%Reduced
Hillsdale Investment Management Inc.7,900$471.0K0.04%+7,900New
Sumitomo Mitsui DS Asset Management Company, Ltd7,931$472.8K0.01%00.0%Unchanged
Fiera Capital Corp8,000$477.0K0.00%+8,000New
Maryland State Retirement & Pension System8,132$484.8K0.01%00.0%Unchanged
Fisher Asset Management, LLC8,148$485.8K0.00%00.0%Unchanged
Ghe, LLC8,202$489.0K0.33%+163+2.0%Added
DekaBank Deutsche Girozentrale8,282$492.0K0.00%+2,557+44.7%Added
Intech Investment Management LLC8,258$492.3K0.01%−2,983−26.5%Reduced
HighTower Advisors, LLC8,393$499.0K0.00%+386+4.8%Added
Caxton Associates LP8,935$532.7K0.08%+4,831+117.7%Added
Raymond James Trust N.A.8,967$534.0K0.02%+284+3.3%Added
Wellington Shields & Co., LLC9,000$536.6K0.13%00.0%Unchanged
Securian Asset Management, Inc9,025$538.1K0.01%−261−2.8%Reduced
Nordea Investment Management AB9,384$557.6K0.00%00.0%Unchanged
O'Shaughnessy Asset Management, LLC9,430$562.2K0.01%+3,040+47.6%Added
Quantbot Technologies LP9,513$567.2K0.04%+9,513New
Janney Montgomery Scott LLC9,551$569.0K0.00%+230+2.5%Added
Investment Management Corp of Ontario9,658$575.8K0.02%−5,226−35.1%Reduced
Parallel Advisors, LLC9,663$576.2K0.02%+630+7.0%Added
Logan Capital Management Inc9,700$578.3K0.03%00.0%Unchanged
Patton Albertson Miller Group, LLC9,950$593.2K0.11%−1,850−15.7%Reduced
RBF Capital, LLC10,000$596.2K0.04%00.0%Unchanged
Interval Partners, LP10,014$597.0K0.03%−117,000−92.1%Reduced
British Columbia Investment Management Corp10,270$612.3K0.01%00.0%Unchanged
Crossmark Global Holdings, Inc.9,967$627.0K0.01%−1,121−10.1%Reduced
BancorpSouth Bank10,623$633.3K0.06%−146−1.4%Reduced
Commerce Bank10,681$636.8K0.00%−167−1.5%Reduced
Cerity Partners LLC10,692$637.7K0.00%+10+0.1%Added