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Disclosery

SEM SELECT MED HLDGS CORP

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COM (common)

266 managers (278 13F filers) reported a position in SEM shares at 2026-03-31, 97,993,838 shares in all. 55 filers opened a position and 47 filers sold out during the quarter.

Managers
266
13F filers
278
New
55
Added
88
Reduced
87
Sold out
47
Shares held by filers
97,993,838

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.17,263,327$281M<0.01%-1,440,40713F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding12,443,033$203MnewTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP5,536,331$90.2M0.02%+202,73613F-HRTimelineGroup
FIL Ltdin group FIL Ltd4,960,732$80.8M0.06%new13F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP4,319,877$70.4M<0.01%-77,23513F-HRTimelineGroup
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC4,079,780$66.5M1.41%new13F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC2,661,944$43.4M<0.01%-455,69413F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC2,245,163$36.6M0.02%+2,215,83213F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC2,081,883$33.9M<0.01%+1,585,23713F-HRTimelineGroup
T. Rowe Price Investment Management, In…2,032,392$33.1M0.02%-794,59513F-HRTimeline
AQR CAPITAL MANAGEMENT LLCgroup of 2 filers holding1,907,944$31.1M+1,820,363Timeline
SOROS FUND MANAGEMENT LLCin group SOROS FUND MANAGEMENT LLC1,833,473$29.9M0.41%new13F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co1,704,603$27.8M<0.01%+17,86613F-HRTimelineGroup
Qube Research & Technologies Ltd1,495,433$24.4M0.03%+1,310,24513F-HRTimeline
NEXPOINT ASSET MANAGEMENT, L.P.in group NEXPOINT ASSET MANAGEMENT, L.…1,478,770$24.1M1.68%new13F-HRTimelineGroup
Polar Asset Management Partners Inc.1,400,000$22.8M0.54%new13F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP1,366,882$22.3M<0.01%+73,13313F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.1,360,925$22.2M0.02%-850,97313F-HRTimelineGroup
Woodline Partners LP1,226,195$20M0.08%-114,00213F-HR/ATimeline
ALPINE ASSOCIATES MANAGEMENT INC.1,176,700$19.2M1.13%new13F-HRTimeline
TIG Advisors, LLCin group TIG Advisors, LLC1,071,046$17.4M0.83%+995,55013F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp1,067,640$17.4M<0.01%+5,35613F-HRTimelineGroup
Grantham, Mayo, Van Otterloo & Co. LLC986,809$16.1M0.04%new13F-HRTimeline
Invesco Ltd.in group Invesco Ltd.934,413$15.2M<0.01%-87,64813F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management904,737$14.7M0.03%+848,24613F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC853,442$13.9M0.01%+305,28913F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY851,429$13.9M<0.01%-115,28113F-HRTimelineGroup
Dana Investment Advisors, Inc.676,987$11M0.33%-1,55813F-HRTimeline
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…658,467$10.7M0.02%-526,93213F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/639,398$10.4M<0.01%-659,05513F-HRTimelineGroup
Cambria Investment Management, L.P.553,728$9.02M0.5%-3,76613F-HRTimeline
GARDNER LEWIS ASSET MANAGEMENT L P551,920$8.99M1.95%new13F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC535,625$8.73M<0.01%+8,45413F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding529,194$8.62M+81,212Timeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …528,194$8.6M<0.01%+160,27813F-HRTimelineGroup
PICTON MAHONEY ASSET MANAGEMENT500,000$8.14M0.08%new13F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC435,643$7.1M<0.01%+76,86513F-HRTimeline
Public Sector Pension Investment Board394,194$6.42M0.02%+12,77813F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP385,804$6.28M0.01%+19,40413F-HRTimelineGroup
CAXTON ASSOCIATES LLP349,564$5.69M0.13%+331,80713F-HRTimeline
FIRST TRUST ADVISORS LPgroup of 2 filers holding337,492$5.5M+27,705Timeline
GAMCO Investors (Gabelli)group of 3 filers holding335,650$5.47MnewTimeline
RHUMBLINE ADVISERS316,066$5.15M<0.01%+3,64713F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC312,836$5.1M0.1%-475,54413F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…300,000$4.89M0.01%new13F-HRTimeline
Man Group plcin group Man Group plc300,000$4.89M0.01%new13F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO290,638$4.73M<0.01%+69,06813F-HR/ATimelineGroup
Groupe la Francaisein group Groupe la Francaise282,497$4.6M0.06%new13F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC270,752$4.41M0.01%+228,18113F-HRTimelineGroup
DENALI ADVISORS LLC263,100$4.29M0.48%013F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc262,383$4.27M<0.01%-21,44113F-HRTimelineGroup
Nuveen, LLCin group TIAA233,085$3.8M<0.01%+5,42213F-HRTimelineGroup
SG Americas Securities, LLC231,988$3.78M<0.01%+195,95913F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC231,705$3.77M0.29%new13F-HRTimeline
Swiss National Bank220,100$3.59M<0.01%013F-HRTimeline
Capula Management Ltdin group Capula Management Ltd206,810$3.37M0.03%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC185,824$3.03M<0.01%-66,96113F-HR/ATimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…178,230$2.9M0.01%+15,43713F-HRTimeline
Carmignac Gestion174,516$2.84M0.04%new13F-HRTimeline
CLOUGH CAPITAL PARTNERS L Pin group CLOUGH CAPITAL PARTNERS L P173,010$2.82M0.27%013F-HRTimelineGroup
CREDIT INDUSTRIEL ET COMMERCIAL167,503$2.73M0.43%new13F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/165,144$2.69M<0.01%-16,441,12513F-HRTimeline
Larson Financial Group LLC161,326$2.63M0.08%+19,41913F-HRTimeline
Empowered Funds, LLC159,689$2.6M0.02%-312,18613F-HR/ATimeline
HRT FINANCIAL LP159,632$2.6M0.01%+85,05313F-HRTimeline
OMERS ADMINISTRATION Corp159,400$2.6M0.02%new13F-HRTimeline
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC155,190$2.53M0.04%new13F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…150,970$2.46M0.01%new13F-HRTimelineGroup
MOORE CAPITAL MANAGEMENT, LP145,500$2.37M0.09%+120,50013F-HRTimeline
Versor Investments LP144,727$2.36M5.77%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.151,668$2.25M<0.01%013F-HRTimeline
Atom Investors LP136,415$2.22M0.16%-117,27713F-HRTimeline
CITIGROUP INCin group CITIGROUP INC136,009$2.22M<0.01%+103,94913F-HRTimelineGroup
TEACHER RETIREMENT SYSTEM OF TEXAS130,785$2.13M0.01%+10,64213F-HRTimeline
Y-Intercept (Hong Kong) Ltd123,005$2M0.04%+17,33513F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…122,583$2M<0.01%-13,24413F-HRTimelineGroup
Linden Thomas Advisory Services, LLC118,519$1.93M0.19%+57,60813F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC113,490$1.85M<0.01%-17,19013F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC111,408$1.81M<0.01%-147,10613F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…105,245$1.71M<0.01%-80113F-HRTimeline
WATER ISLAND CAPITAL LLC103,467$1.69M0.22%new13F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP102,636$1.68M0.09%new13F-HRTimeline
OP Asset Management Ltd101,953$1.66M0.02%new13F-HR/ATimeline
NEW YORK STATE COMMON RETIREMENT FUND99,377$1.62M<0.01%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\98,883$1.61M<0.01%+10,27513F-HRTimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co91,896$1.5M<0.01%-4,61013F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources85,249$1.39M<0.01%-58,33113F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…82,027$1.34M0.01%+41,73213F-HRTimelineGroup
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…77,251$1.26M0.01%+49,97013F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…73,753$1.2M<0.01%-2,16613F-HRTimelineGroup
Voleon Capital Management LP69,812$1.14M0.02%-79,31313F-HRTimeline
Blackstone Inc.in group Blackstone Inc.65,825$1.07M<0.01%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
Jump Financial, LLCin group Jump Financial, LLC65,490$1.07M0.02%+1,93313F-HRTimelineGroup
Engineers Gate Manager LP63,539$1.04M0.01%+44,77913F-HRTimeline
Schonfeld Strategic Advisors LLC63,110$1.03M0.01%-121,72713F-HRTimeline
Mitsubishi UFJ Trust & Banking Corpgroup of 2 filers holding61,886$1.01M-13,567Timeline
State of Alaska, Department of Revenue61,656$1M0.01%-1,71413F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…60,340$983K0.01%-65613F-HRTimelineGroup
Creative Planningin group Creative Planning58,020$945K<0.01%+23,94613F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC56,153$915K<0.01%-166,03213F-HRTimelineGroup
Skandinaviska Enskilda Banken AB (publ)53,730$875K0.02%new13F-HRTimeline
GSA CAPITAL PARTNERS LLP53,718$875K0.05%new13F-HRTimeline
Illinois Municipal Retirement Fund51,671$842K0.01%-9,36213F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC50,910$829K<0.01%-142,86413F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson50,821$828K<0.01%013F-HR/ATimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…50,446$822K<0.01%+53513F-HRTimelineGroup
Rangeley Capital, LLC50,000$814K0.88%-31,07213F-HRTimeline
Handelsbanken Fonder AB49,411$805K<0.01%+9,40013F-HRTimeline
Louisiana State Employees Retirement Sy…48,900$797K0.01%-1,60013F-HRTimeline
CastleKnight Management LP48,100$784K0.04%-87,10013F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…47,618$776K<0.01%-3,58813F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …46,829$763K<0.01%-1,00213F-HRTimelineGroup
South Dakota Investment Council44,556$726K0.01%-38,90013F-HRTimeline
DRW Securities, LLC44,395$723K0.04%new13F-HRTimeline
OXFORD ASSET MANAGEMENT LLP43,929$716K0.29%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN43,438$708K<0.01%-80,18513F-HR/ATimelineGroup
State of Tennessee, Department of Treas…43,307$705K<0.01%-20,00013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…43,200$704K<0.01%+23,49013F-HRTimelineGroup
Gotham Asset Management, LLC42,863$698K<0.01%-37,72913F-HRTimeline
Janney Montgomery Scott LLC42,237$688K<0.01%new13F-HRTimeline
STRS OHIO41,000$668K<0.01%-8,80013F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP40,654$662K0.06%-41,26413F-HRTimeline
TWO SIGMA SECURITIES, LLC39,868$649K0.08%new13F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…39,839$649K<0.01%013F-HRTimeline
ALGERT GLOBAL LLC39,600$645K0.01%-887,79713F-HR/ATimeline
ProShare Advisors LLC39,259$640K<0.01%+18,32413F-HRTimeline
Financial Strategies Group, Inc.35,712$587K0.1%+11813F-HRTimeline
Quantinno Capital Management LP33,469$545K<0.01%+5,38413F-HRTimeline
BAILARD, INC.33,300$542K0.01%013F-HRTimeline
AMALGAMATED BANK31,643$515K<0.01%-32913F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC31,471$513K0.03%+16113F-HRTimelineGroup
ARIZONA STATE RETIREMENT SYSTEM30,608$499K<0.01%-47813F-HRTimeline
LEUTHOLD GROUP, LLC30,357$495K0.05%-90713F-HRTimeline
Police & Firemen's Retirement System of…30,154$491K<0.01%+2,36513F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC29,918$487K0.01%-17913F-HRTimeline
BOKF, NAin group BOKF, NA29,686$484K0.01%-1,11713F-HRTimelineGroup
Sageworth Trust Co29,487$480K0.02%-9,74413F-HRTimeline
CSS LLC/IL29,000$472K0.03%new13F-HRTimeline
PenderFund Capital Management Ltd.28,700$468K0.07%new13F-HRTimeline
Brooklyn Investment Group27,775$452K0.01%+16,96613F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…27,059$441K<0.01%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS27,033$440K<0.01%-1,69513F-HRTimelineGroup
Centiva Capital, LP26,110$425K0.02%+1,11013F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC25,787$420K<0.01%-25,05213F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC25,732$419K<0.01%-11,69213F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND25,216$411K0.01%013F-HRTimeline
Sovereign Financial Group, Inc.25,193$410K0.07%-2713F-HRTimeline
FMR LLCin group FMR LLC24,704$402K<0.01%-45,78713F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…24,627$401K<0.01%+23,90713F-HRTimelineGroup
CSM Advisors, LLC24,465$399K0.01%-288,78513F-HRTimeline
NATIXIS ADVISORS, LLCin group Natixis Investment Managers24,383$397K<0.01%+1,55313F-HRTimelineGroup
KLP KAPITALFORVALTNING AS24,000$391K<0.01%013F-HRTimeline
Amundiin group Amundi23,875$389K<0.01%-116,24213F-HRTimelineGroup
Polymer Capital Management (US) LLC22,890$373K0.06%new13F-HRTimeline
Graham Capital Management, L.P.21,164$345K0.01%+10,77413F-HRTimeline
Vise Technologies, Inc.23,206$345K0.01%013F-HRTimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.21,001$342K<0.01%new13F-HRTimelineGroup
HARVEST MANAGEMENT LLC19,700$321K0.17%-10,30013F-HRTimeline
LPL Financial LLC19,675$321K<0.01%-13,71113F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…18,997$309K<0.01%013F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC18,702$305K0.01%new13F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC18,187$296K<0.01%-1,20013F-HRTimelineGroup
ALPINE WOODS CAPITAL INVESTORS, LLCin group ALPINE WOODS CAPITAL INVESTOR…18,132$295K0.07%new13F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/16,393$267K<0.01%+1,14213F-HRTimelineGroup
Maryland State Retirement & Pension Sys…16,143$263K0.01%013F-HRTimeline
Net Worth Advisory Group15,840$258K0.05%-1,08013F-HRTimeline
New Age Alpha Advisors, LLC15,750$257K0.01%-38813F-HRTimeline
ROMANO BROTHERS AND COMPANY15,450$252K0.03%-30013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO14,403$235K<0.01%-8,38513F-HRTimelineGroup
MIRABELLA FINANCIAL SERVICES LLP13,775$224K0.02%new13F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC13,716$223K<0.01%+2,70213F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…13,261$216K<0.01%013F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC12,896$210K0.01%-2,31413F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…12,611$205K<0.01%+1613F-HRTimelineGroup
Baird Financial Group, Inc.in group Baird Financial Group, Inc.12,239$199K<0.01%+1,98113F-HRTimelineGroup
Blueshift Asset Management, LLC11,825$193K0.06%new13F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD11,052$180K<0.01%-59,96413F-HRTimeline
CIBC Asset Management Inc10,968$179K<0.01%-28713F-HRTimeline
NorthCrest Asset Manangement, LLC10,736$176K0.01%+6713F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA10,620$173K<0.01%-3,65313F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …10,461$170K<0.01%-1,01413F-HRTimelineGroup
Neo Ivy Capital Management9,886$161K0.04%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…8,728$142K<0.01%013F-HRTimelineGroup
GROUP ONE TRADING LLC8,577$140K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…8,336$136K<0.01%+2,01313F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC7,595$124K<0.01%+20013F-HR/ATimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…7,243$118K<0.01%-42113F-HRTimelineGroup
GAMMA Investing LLC6,495$106K<0.01%+1,78213F-HRTimeline
KBC Group NVin group KBC Group NV5,836$95K<0.01%013F-HRTimelineGroup
Covestor Ltd5,642$92K0.06%-26,99313F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…15,877$84.1K<0.01%+9,84413F-HRTimeline
LONGFELLOW INVESTMENT MANAGEMENT CO LLC4,660$75.9K0.02%new13F-HRTimeline
Sterling Capital Management LLC3,562$58K<0.01%-2,63613F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…3,440$56K<0.01%+43713F-HRTimeline
NISA INVESTMENT ADVISORS, LLC3,353$54.6K<0.01%+6413F-HRTimeline
FIRST HORIZON CORP3,298$53.7K<0.01%-20513F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.3,213$52K<0.01%+66413F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
CX Institutional3,083$50K<0.01%-1,40613F-HRTimeline
Advisors Asset Management, Inc.2,739$44.6K<0.01%-4,12613F-HRTimeline
Pinnacle Wealth Planning Services, Inc.2,457$40K<0.01%+11813F-HRTimeline