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Mesirow Financial Investment Management, Inc.

Period ended Sep 30, 2026 · Latest filing Nov 5, 2026

These quarterly holdings are delayed and may not include all assets or short positions. Values are from the reporting date, not current prices or purchase costs. The same security may appear in multiple rows.

Source: SEC

Reported portfolio value

Quarter-end reported holdings; not current value or investment performance.

View reported values
  • Sep 30, 2026: $6,468,872,900

More quarters will appear as history becomes available.

Top holdings

Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.

View top holdings values
  1. BERKSHIRE HATHAWAY INC DEL · CL B NEW · 084670702 · shares: $491,355,916
  2. APPLE INC · COM · 037833100 · shares: $336,329,170
  3. VANECK ETF TRUST · MRNGSTR WDE MOAT · 92189F643 · shares: $279,032,339
  4. ISHARES TR · CORE S&P SCP ETF · 464287804 · shares: $225,972,556
  5. ISHARES TR · CORE S&P500 ETF · 464287200 · shares: $190,294,740
  6. ALPHABET INC · CAP STK CL C · 02079K107 · shares: $186,538,407
  7. ISHARES TR · CORE S&P TTL STK · 464287150 · shares: $181,565,142
  8. MICROSOFT CORP · COM · 594918104 · shares: $161,299,555
  9. VANGUARD INDEX FDS · S&P 500 ETF SHS · 922908363 · shares: $155,046,655
  10. ALPHABET INC · CAP STK CL A · 02079K305 · shares: $124,695,321

Reported holdings

552 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
BERKSHIRE HATHAWAY INC DELCL B NEW084670702 — 986,760 shares $491,355,916
APPLE INCCOM037833100 — 1,009,925 shares $336,329,170
VANECK ETF TRUSTMRNGSTR WDE MOAT92189F643 — 2,639,585 shares $279,032,339
ISHARES TRCORE S&P SCP ETF464287804 — 1,661,038 shares $225,972,556
ISHARES TRCORE S&P500 ETF464287200 — 248,427 shares $190,294,740
ALPHABET INCCAP STK CL C02079K107 — 547,450 shares $186,538,407
ISHARES TRCORE S&P TTL STK464287150 — 1,091,910 shares $181,565,142
MICROSOFT CORPCOM594918104 — 314,464 shares $161,299,555
VANGUARD INDEX FDSS&P 500 ETF SHS922908363 — 221,203 shares $155,046,655
ALPHABET INCCAP STK CL A02079K305 — 362,399 shares $124,695,321
ISHARES TRCORE S&P MCP ETF464287507 — 1,480,945 shares $106,554,616
AMAZON COM INCCOM023135106 — 419,247 shares $104,454,974
JPMORGAN CHASE & COCOM46625H100 — 314,917 shares $104,186,066
VANGUARD STAR FDSVG TL INTL STK F921909768 — 1,163,890 shares $98,884,321
STATE STR SPDR S&P 500 ETF TTR UNIT78462F103 — 128,064 shares $97,664,476
ISHARES TR0-3 MTH TREASURY46436E718 — 903,815 shares $90,995,987
INVESTMENT MANAGERS SER TR IFPA GBL EQTY ETF30254T577 — 2,204,611 shares $90,124,325
ISHARES TRRUS 1000 GRW ETF464287614 — 711,560 shares $89,131,372
VANGUARD WHITEHALL FDSHIGH DIV YLD921946406 — 550,516 shares $85,439,974
SPDR GOLD TRGOLD SHS78463V107 — 198,727 shares $75,682,430
T ROWE PRICE EXCHANGE-TRADEDCAP APPRECIATION87283Q867 — 1,644,618 shares $69,518,078
RBB FUND TRUSTFIRST EAGLE GBL75526L886 — 1,315,915 shares $66,046,024
CATERPILLAR INCCOM149123101 — 80,321 shares $65,126,305
THERMO FISHER SCIENTIFIC INCCOM883556102 — 93,109 shares $62,853,792
VANGUARD INDEX FDSMRNGSTR GRWT ETF922908736 — 632,294 shares $56,977,538
ISHARES TRRUS MID CAP ETF464287499 — 531,848 shares $56,753,355
RTX CORPORATIONCOM75513E101 — 291,237 shares $54,068,129
BROADCOM INCCOM11135F101 — 151,168 shares $53,089,649
ISHARES TRRUS 1000 VAL ETF464287598 — 196,627 shares $48,748,412
ISHARES TRCORE MSCI EAFE46432F842 — 484,537 shares $46,942,190
VANGUARD INDEX FDSMRNGSTR VAL ETF922908744 — 216,649 shares $46,815,768
VANGUARD TAX-MANAGED FDSVAN FTSE DEV MKT921943858 — 656,969 shares $46,387,740
VANGUARD SPECIALIZED FUNDSDIV APP ETF921908844 — 196,055 shares $45,741,979
BANK OF AMER CORPCOM060505104 — 804,933 shares $43,812,385
ABBVIE INCCOM00287Y109 — 160,933 shares $42,097,374
VANGUARD WORLD FDMRNGSTR CAP ETF921910873 — 148,676 shares $41,972,258
CHEVRON CORPORATIONCOM166764100 — 197,806 shares $40,393,730
COSTCO WHOLESALE CORPORATIONCOM22160K105 — 42,497 shares $38,695,720
ISHARES TRCORE 60 BALA ETF464289867 — 557,503 shares $38,200,190
ISHARES TRMSCI EAFE ETF464287465 — 366,890 shares $38,115,712
FEDEX CORPCOM31428X106 — 133,691 shares $38,113,664
UNION PAC CORPCOM907818108 — 134,568 shares $36,619,691
PROFESIONALLY MANAGED PORTFOAKRE FOCUS ETF74316P579 — 634,049 shares $33,395,326
VANGUARD INTL EQUITY INDEX FTT WRLD ST ETF922042742 — 205,722 shares $32,472,665
VISA INCCOM CL A92826C839 — 89,966 shares $32,329,069
TE CONNECTIVITY PLCORD SHSG87052109 — 151,273 shares $31,930,554
VANGUARD SCOTTSDALE FDSSHRT TRM CORP BD92206C409 — 409,446 shares $31,629,290
LOWES COS INCCOM548661107 — 171,206 shares $31,551,505
JOHNSON & JOHNSONCOM478160104 — 116,702 shares $30,895,382
NVIDIA CORPORATIONCOM67066G104 — 134,012 shares $30,607,934
VANGUARD INDEX FDSMRNGSTR TTL STK922908769 — 81,531 shares $30,511,947
VANGUARD INDEX FDSMRNGSTR MD CP VA922908512 — 153,578 shares $30,028,051
LINDE PLCSHSG54950103 — 61,991 shares $29,423,510
STRYKER CORPORATIONCOM863667101 — 104,547 shares $28,791,248
VANGUARD INDEX FDSMRNGSTR MID CAP922908629 — 359,240 shares $28,171,231
ISHARES TR1 3 YR TREAS BD464287457 — 346,678 shares $28,149,802
UNITEDHEALTH GROUP INCCOM91324P102 — 76,029 shares $27,909,706
MASTERCARD INCORPORATEDCL A57636Q104 — 47,675 shares $26,292,801
ISHARES TRRUSSELL 2000 ETF464287655 — 93,632 shares $26,019,101
SSGA ACTIVE ETF TRST STR GLOBA ETF78467V400 — 479,230 shares $25,123,046
BLACKROCK INCCOM09290D101 — 23,586 shares $24,961,054
WALMART INCCOM931142103 — 238,672 shares $24,803,148
INVESCO QQQ TRUNIT SER 146090E103 — 33,291 shares $24,630,835
META PLATFORMS INCCL A30303M102 — 33,704 shares $24,444,069
ISHARES TRS&P 500 GRWT ETF464287309 — 169,165 shares $24,065,553
JACOBS SOLUTIONS INCCOM46982L108 — 173,432 shares $23,460,175
DISNEY WALT COCOM254687106 — 223,500 shares $23,444,876
SALESFORCE INCCOM79466L302 — 99,915 shares $22,938,092
VANGUARD SCOTTSDALE FDSVNG RUS1000GRW92206C680 — 175,972 shares $22,688,131
ISHARES TRS&P 500 VAL ETF464287408 — 98,938 shares $22,585,600
BERKSHIRE HATHAWAY INC DELCL A084670108 — 30 shares $22,410,150
ISHARES TRMSCI EMG MKT ETF464287234 — 335,086 shares $22,380,355
CORNING INCCOM219350105 — 139,659 shares $21,474,257
AMERICAN EXPRESS COCOM025816109 — 70,087 shares $21,312,640
ISHARES TRIBONDS DEC202646435GAA0 — 866,403 shares $21,001,594
INVESTMENT MANAGERS SER TRFPA GLOBAL ALLOC46143U450 — 830,648 shares $20,557,895
ISHARES INCCORE MSCI EMKT46434G103 — 250,666 shares $20,343,758
ACCENTURE PLC IRELANDSHS CLASS AG1151C101 — 110,774 shares $20,312,489
FIFTH THIRD BANCORPCOM316773100 — 400,767 shares $20,270,770
ISHARES TRRUS MD CP GR ETF464287481 — 145,378 shares $20,017,602
CAPITAL GROUP CORE BALANCEDSHS14021D107 — 537,771 shares $19,762,889
VANGUARD ADMIRAL FDS INC500 VAL IDX FD921932703 — 84,717 shares $18,666,431
ISHARES TRIBONDS 27 ETF46435UAA9 — 750,926 shares $18,112,350
ELI LILLY & COCOM532457108 — 15,487 shares $17,919,105
STATE STR SPDR S&P MIDCAP 40UTSER1 S&PDCRP78467Y107 — 26,324 shares $17,287,484
HILTON WORLDWIDE HLDGS INCCOM43300A203 — 53,416 shares $16,992,698
ABBOTT LABORATORIESCOM002824100 — 168,258 shares $16,629,332
AMPLIFY ETF TRCWP ENHANCED DIV032108409 — 355,543 shares $16,528,946
ORACLE CORPCOM68389X105 — 118,393 shares $16,255,104
COCA COLA COCOM191216100 — 188,274 shares $16,206,299
SPDR SERIES TRUSTST STR SP DIV78464A763 — 109,222 shares $15,998,649
SCHWAB STRATEGIC TRUS DIVIDEND EQ808524797 — 479,710 shares $15,604,937
SELECT SECTOR SPDR TRST STR TECHN ETF81369Y803 — 78,916 shares $15,447,402
ENTERPRISE PRODS PARTNERS LCOM293792107 — 429,964 shares $15,311,025
PEPSICO INCCOM713448108 — 118,546 shares $15,022,246
CONOCOPHILLIPSCOM20825C104 — 119,194 shares $14,917,210
VANGUARD BD INDEX FDSVANGUARD ULTRA92203C303 — 296,546 shares $14,693,842
HOME DEPOT INCCOM437076102 — 49,965 shares $14,216,251
VANGUARD INTL EQUITY INDEX FFTSE EMR MKT ETF922042858 — 237,354 shares $14,077,488
ISHARES TRCORE 80 20 ETF464289859 — 142,018 shares $13,813,658