SEI INVESTMENTS CO
Follow13F filer, CIK 350894, OAKS, PA
SEI INVESTMENTS CO reported $108,447,233,183 across 3,228 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-13. Its ten largest share positions make up 18.79% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0002048251-26-003739
- Period
- 2026-03-31
- Reported value
- $108B
- Holdings
- 3,228
- Top 10 weight
- 18.79%
- New
- 254
- Sold out
- 144
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| AAPLadded | +1,818,383 | $461M |
| NVDAadded | +2,446,818 | $427M |
| GOOGadded | +1,325,302 | $380M |
| PAAAnew | +6,088,840 | $312M |
| AVGOadded | +961,576 | $298M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| VTIPreduced | -3,991,379 | -$199M |
| ORCLreduced | -1,139,687 | -$168M |
| APHreduced | -1,132,937 | -$143M |
| NOWreduced | -1,000,374 | -$105M |
| VRTXreduced | -230,797 | -$103M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Back to all 3,228 share positions
Sold out in Q1 2026
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| AZNASTRAZENECA PLC-SPONS ADR | 966,235 | $88.8M | shares |
| QIAGEN N.V.QIAGEN N.V. | 1,959,368 | $88.1M | shares |
| AMCOR PLCAMCOR PLC | 3,291,494 | $27.5M | shares |
| PIPRPIPER SANDLER COS | 60,785 | $20.6M | shares |
| PCHPOTLATCHDELTIC CORP | 455,041 | $18.1M | shares |
| PNFPPINNACLE FINANCIAL PARTNERS | 123,229 | $11.8M | shares |
| EXASEXACT SCIENCES CORP | 95,573 | $9.71M | shares |
| CFLTCONFLUENT INC-CLASS A | 276,529 | $8.36M | shares |
| INDIVIOR PLCINDIVIOR PLC | 196,051 | $7.03M | shares |
| CYBERARK SOFTWARE LTD/ISRAELCYBERARK SOFTWARE LTD/ISRAEL | 14,451 | $6.45M | shares |
| OSONESTREAM INC | 301,913 | $5.55M | shares |
| CMACOMERICA INC | 45,192 | $3.93M | shares |
| SNVSYNOVUS FINANCIAL CORP | 72,127 | $3.61M | shares |
| VITLVITAL FARMS INC | 101,291 | $3.24M | shares |
| HOUSANYWHERE REAL ESTATE INC | 208,811 | $2.96M | shares |
| CADECADENCE BANK | 62,233 | $2.67M | shares |
| REVGREV GROUP INC | 43,004 | $2.61M | shares |
| GDENGOLDEN ENTMT INC | 95,114 | $2.59M | shares |
| CDTXCIDARA THERAPEUTICS INC | 11,335 | $2.5M | shares |
| CLWCLEARWATER PAPER CORP | 128,381 | $2.23M | shares |
| CIVICIVITAS RESOURCES INC | 74,931 | $2.03M | shares |
| THSTREEHOUSE FOODS INC | 73,240 | $1.73M | shares |
| EZAISHARES INC | 22,500 | $1.55M | shares |
| BBNXBETA BIONICS INC | 48,074 | $1.46M | shares |
| DQDAQO NEW ENERGY CORP | 49,156 | $1.45M | shares |
| DVAXDYNAVAX TECHNOLOGIES CORP | 82,406 | $1.27M | shares |
| DAYDAYFORCE INC | 18,076 | $1.25M | shares |
| RHLDRESOLUTE HLDGS MGMT INC | 6,054 | $1.25M | shares |
| OWLTOWLET INC | 76,797 | $1.24M | shares |
| FYBRFRONTIER COMMUNICATIONS PARE | 30,282 | $1.15M | shares |
| HIHILLENBRAND INC | 33,254 | $1.05M | shares |
| JAZZ INVESTMENTS I LTDJAZZ INVESTMENTS I LTD | 725,000 | $965K | shares |
| ASHRDBX ETF TR | 28,800 | $946K | shares |
| RNAMAVIDITY BIOSCIENCES INC | 13,031 | $940K | shares |
| HCKTHACKETT GROUP INC | 44,671 | $877K | shares |
| NRIMNORTHRIM BANCORP INC | 32,848 | $874K | shares |
| DERMJOURNEY MED CORP | 109,351 | $843K | shares |
| BBWBUILD-A-BEAR WORKSHOP INC | 13,704 | $840K | shares |
| SGHTSIGHT SCIENCES INC | 99,780 | $791K | shares |
| PXEDPHOENIX ED PARTNERS INC | 25,426 | $770K | shares |
| DUOTDUOS TECHNOLOGIES GROUP INC | 68,189 | $767K | shares |
| EHABENHABIT INC | 83,038 | $766K | shares |
| TGNATEGNA INC | 38,989 | $757K | shares |
| FRAFFRANKLIN FINL SVCS CORP | 14,929 | $749K | shares |
| GLDDGREAT LAKES DREDGE & DOCK CO | 54,243 | $712K | shares |
| VTYXVENTYX BIOSCIENCES INC | 78,703 | $711K | shares |
| AVADEL PHARMACEUTICALSAVADEL PHARMACEUTICALS | 32,535 | $701K | shares |
| SDGRSCHRODINGER INC | 39,139 | $700K | shares |
| ACNBACNB CORP | 14,468 | $700K | shares |
| BJRIBJS RESTAURANTS INC | 17,133 | $675K | shares |
| USAUU S GOLD CORP | 34,460 | $669K | shares |
| PLYMPLYMOUTH INDUSTRIAL REIT INC | 28,897 | $632K | shares |
| ASMBASSEMBLY BIOSCIENCES INC | 17,745 | $604K | shares |
| ALEXALEXANDER & BALDWIN INC | 28,773 | $594K | shares |
| OPXSOPTEX SYS HLDGS INC | 40,653 | $576K | shares |
| SMWBSIMILARWEB LTD | 76,702 | $574K | shares |
| CCOCLEAR CHANNEL OUTDOOR HLDGS | 256,586 | $567K | shares |
| AMRCAMERESCO INC | 19,346 | $567K | shares |
| SLPSIMULATIONS PLUS INC | 30,458 | $555K | shares |
| JAMFJAMF HOLDING CORP | 39,483 | $514K | shares |
| FTCIFTC SOLAR INC | 46,630 | $509K | shares |
| PESIPERMA-FIX ENVIRONMENTAL SVCS | 39,442 | $497K | shares |
| MOFGMIDWESTONE FINANCIAL GROUP I | 12,812 | $493K | shares |
| BYRNBYRNA TECHNOLOGIES INC | 28,642 | $481K | shares |
| CRNTCERAGON NETWORKS LTD | 221,476 | $465K | shares |
| SKYDPARAMOUNT SKYDANCE CORP | 33,157 | $444K | shares |
| IZEAIZEA WORLDWIDE INC | 101,335 | $444K | shares |
| CABLE ONE INCCABLE ONE INC | 450,000 | $443K | shares |
| HSAIHESAI GROUP | 19,727 | $442K | shares |
| DENNDENNY'S CORP | 70,955 | $441K | shares |
| EWZISHARES INC | 13,800 | $438K | shares |
| ASPEN INSURANCE HOLDINGS-AASPEN INSURANCE HOLDINGS-A | 11,654 | $432K | shares |
| LIFLIFE360 INC | 6,739 | $432K | shares |
| SBGISINCLAIR INC | 27,930 | $427K | shares |
| PLPCPREFORMED LINE PRODS CO | 2,057 | $425K | shares |
| FULCFULCRUM THERAPEUTICS INC | 37,511 | $424K | shares |
| TMPTOMPKINS FINL CORP | 5,846 | $424K | shares |
| AMRNAMARIN CORP PLC | 29,212 | $408K | shares |
| STLNSTARLING ONCOLOGY INC | 111,553 | $397K | shares |
| DHILDIAMOND HILL INVT GROUP INC | 2,332 | $395K | shares |
| AMPHAMPHASTAR PHARMACEUTICALS IN | 14,649 | $392K | shares |
| PROFPROFOUND MED CORP | 49,463 | $389K | shares |
| NXHNEIGHBORHOOD INTELLIGENCE IN | 65,733 | $359K | shares |
| KWYKINGSWAY CORP | 26,234 | $353K | shares |
| NCSMNCS MULTISTAGE HLDGS INC | 8,919 | $352K | shares |
| GCMGGCM GROSVENOR INC | 30,985 | $351K | shares |
| TARAPROTARA THERAPEUTICS INC | 63,079 | $336K | shares |
| HAEMONETICS CORP MASSHAEMONETICS CORP MASS | 335,000 | $331K | shares |
| KOPNKOPIN CORP | 139,730 | $327K | shares |
| TLSTELOS CORP MD | 63,320 | $323K | shares |
| WYYWIDEPOINT CORP | 59,700 | $321K | shares |
| AMPGAMPLITECH GROUP INC | 106,639 | $319K | shares |
| SPROSPERO THERAPEUTICS INC | 132,010 | $308K | shares |
| NBRNABORS INDUSTRIES LTD | 5,514 | $299K | shares |
| VICTORYSHARES INTERNATIONALVICTORYSHARES INTERNATIONAL | 5,387 | $291K | shares |
| GLIBALIBERTY CAP CORP | 7,680 | $283K | shares |
| FSIFLEXIBLE SOLUTIONS INTL INC | 42,024 | $283K | shares |
| FORD MOTOR COMPANYFORD MOTOR COMPANY | 257,000 | $267K | shares |
| ACRACRES COMMERCIAL REALTY CORP | 12,314 | $263K | shares |
| TYLER TECHNOLOGIES INCTYLER TECHNOLOGIES INC | 257,000 | $260K | shares |
| SNCYSUN CTRY AIRLS HLDGS INC | 17,998 | $259K | shares |
| ROOTROOT INC | 3,511 | $254K | shares |
| SLNDSOUTHLAND HLDGS INC | 75,563 | $251K | shares |
| FCCOFIRST CMNTY CORP S C | 8,397 | $249K | shares |
| MAZEMAZE THERAPEUTICS INC | 5,668 | $235K | shares |
| UPBUPSTREAM BIO INC | 8,087 | $220K | shares |
| PLAYDAVE & BUSTERS ENTMT INC | 13,139 | $213K | shares |
| CCOICOGENT COMM HOLDINGS INC | 9,675 | $209K | shares |
| SPSBSPDR SERIES TRUST | 6,837 | $206K | shares |
| OLMAOLEMA PHARMACEUTICALS INC | 8,259 | $206K | shares |
| ZEUSOLYMPIC STEEL INC | 4,806 | $206K | shares |
| CHMGCHEMUNG FINL CORP | 3,677 | $205K | shares |
| RMRRMR GROUP INC | 13,444 | $200K | shares |
| PREPRENETICS GLOBAL LTD | 11,934 | $188K | shares |
| AIVAPARTMENT INVT & MGMT CO | 29,280 | $174K | shares |
| ALDXALDEYRA THERAPEUTICS INC | 33,287 | $172K | shares |
| MCHBMECHANICS BANCORP | 11,489 | $168K | shares |
| MIND MEDICINE MINDMED INCMIND MEDICINE MINDMED INC | 11,836 | $158K | shares |
| AFYAAFYA LTD | 10,076 | $155K | shares |
| IMPINJ INCIMPINJ INC | 85,000 | $138K | shares |
| OSPNONESPAN INC | 10,466 | $134K | shares |
| SYNCHRONOSS TECHNOLOGIES INCSYNCHRONOSS TECHNOLOGIES INC | 15,675 | $134K | shares |
| CONMED CORPCONMED CORP | 137,000 | $131K | shares |
| AMPHASTAR PHARMACEUTICALS INAMPHASTAR PHARMACEUTICALS IN | 139,000 | $128K | shares |
| CIOCITY OFFICE REIT INC | 15,246 | $107K | shares |
| BSBRBANCO SANTANDER BRASIL S A | 17,253 | $105K | shares |
| DFLIDRAGONFLY ENERGY HOLDINGS CO | 34,265 | $105K | shares |
| SNBRQSLEEP NUMBER CORP | 12,097 | $102K | shares |
| RAPID7 INCRAPID7 INC | 110,000 | $100K | shares |
| SRGSERITAGE GROWTH PPTYS | 30,748 | $99.9K | shares |
| BENTLEY SYSTEMS INCBENTLEY SYSTEMS INC | 75,000 | $74.8K | shares |
| EXPEDIA GROUP INCEXPEDIA GROUP INC | 61,000 | $68K | shares |
| MXMAGNACHIP SEMICONDUCTOR CORP | 24,381 | $62.2K | shares |
| TRUETRUECAR INC | 26,418 | $59.7K | shares |
| OIL STS INTL INCOIL STS INTL INC | 58,000 | $57.9K | shares |
| ARQARQ INC | 15,877 | $51.9K | shares |
| TELFYTELEFONICA SA-SPON ADR | 12,610 | $51.1K | shares |
| ACIUAC IMMUNE SA | 15,884 | $49.9K | shares |
| FUBOFUBOTV INC | 19,208 | $48.4K | shares |
| NIUNIU TECHNOLOGIES | 13,741 | $41.6K | shares |
| TEVOGEN BIO HLDGS INCTEVOGEN BIO HLDGS INC | 90,253 | $29.9K | shares |
| DSXDIANA SHIPPING INC | 13,516 | $22.4K | shares |
| AGLAGILON HEALTH INC COM (DE) | 25,315 | $17.4K | shares |
| CDXSCODEXIS INC | 10,536 | $17.2K | shares |
How Q1 2026 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0002048251-26-003739 | base | 2026-05-13 | acceptance time not in the bulk data set |