The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 06-30-2021
Check here if Amendment   Amendment Number:
This Amendment (Check only one.):   is a restatement.
  adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income
Address: 353 NORTH CLARK ST
CHICAGO , IL60654
Form 13F File Number: 028-02457

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name: Tricia Peterson
Title: Senior Vice President of Compliance
Phone: 312-595-2272
Signature, Place, and Date of Signing:
Tricia Peterson Chicago , IL 08-03-2021
[Signature] [City, State] [Date]
Report Type (Check only one.):
X 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
  13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
  13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 135
Form 13F Information Table Value Total: 894,132
(thousands)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name

List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]
No. Form 13F File Number Name


SEC FORM 13F-HR

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
MOSAIC CO NEW COM 61945C103 1,819 57,000 SH SOLE 0 56,830 0 170
NATIONAL INSTRS CORP COM 636518102 8,833 208,925 SH SOLE 0 196,860 0 12,065
NEXSTAR MEDIA GROUP INC CL A 65336K103 10,389 70,255 SH SOLE 0 66,225 0 4,030
NEXPOINT RESIDENTIAL TR INC COM 65341D102 7,438 135,289 SH SOLE 0 125,464 0 9,825
NOVANTA INC COM 67000B104 6,563 48,704 SH SOLE 0 45,119 0 3,585
OLLIES BARGAIN OUTLET HLDGS COM 681116109 1,877 22,305 SH SOLE 0 22,240 0 65
ONE GAS INC COM 68235P108 9,141 123,330 SH SOLE 0 114,255 0 9,075
OSHKOSH CORP COM 688239201 2,468 19,800 SH SOLE 0 19,740 0 60
OWENS & MINOR INC NEW COM 690732102 8,609 203,370 SH SOLE 0 191,600 0 11,770
OXFORD INDS INC COM 691497309 9,777 98,913 SH SOLE 0 93,058 0 5,855
PACIRA BIOSCIENCES INC COM 695127100 12,871 212,112 SH SOLE 0 199,852 0 12,260
PACWEST BANCORP DEL COM 695263103 11,683 283,855 SH SOLE 0 266,260 0 17,595
PEAPACK-GLADSTONE FINL CORP COM 704699107 6,421 206,664 SH SOLE 0 191,469 0 15,195
PENNYMAC FINL SVCS INC NEW COM 70932M107 1,944 31,490 SH SOLE 0 31,395 0 95
PHYSICIANS RLTY TR COM 71943U104 12,414 672,118 SH SOLE 0 633,423 0 38,695
PIEDMONT OFFICE REALTY TR IN COM CL A 720190206 9,065 490,790 SH SOLE 0 462,660 0 28,130
PLYMOUTH INDL REIT INC COM 729640102 9,065 452,775 SH SOLE 0 427,430 0 25,345
PREMIER INC CL A 74051N102 8,139 233,958 SH SOLE 0 220,682 0 13,276
PULTE GROUP INC COM 745867101 2,263 41,465 SH SOLE 0 41,340 0 125
QTS RLTY TR INC COM CL A 74736A103 10,439 135,040 SH SOLE 0 127,440 0 7,600
RADIAN GROUP INC COM 750236101 10,615 477,064 SH SOLE 0 449,159 0 27,905
RAMBUS INC DEL COM 750917106 12,738 537,236 SH SOLE 0 506,471 0 30,765
RALPH LAUREN CORP CL A 751212101 2,367 20,095 SH SOLE 0 20,035 0 60
RAYONIER INC COM 754907103 10,122 281,710 SH SOLE 0 265,555 0 16,155
REDWOOD TR INC COM 758075402 8,286 686,481 SH SOLE 0 636,211 0 50,270
ACUITY BRANDS INC COM 00508Y102 2,002 10,705 SH SOLE 0 10,675 0 30
ADAPTHEALTH CORP COM CL A 00653Q102 8,731 318,520 SH SOLE 0 301,305 0 17,215
ALEXANDER & BALDWIN INC NEW COM 014491104 16,284 888,887 SH SOLE 0 837,507 0 51,380
ALLEGHENY TECHNOLOGIES INC COM 01741R102 9,266 444,390 SH SOLE 0 418,095 0 26,295
ALLIANT ENERGY CORP COM 018802108 2,024 36,306 SH SOLE 0 36,196 0 110
ARCONIC CORPORATION COM 03966V107 8,412 236,165 SH SOLE 0 222,555 0 13,610
ASTEC INDS INC COM 046224101 6,803 108,084 SH SOLE 0 100,154 0 7,930
AVIENT CORPORATION COM 05368V106 10,737 218,415 SH SOLE 0 205,955 0 12,460
BANCORPSOUTH BK TUPELO MISS COM 05971J102 7,804 275,485 SH SOLE 0 255,220 0 20,265
BLACK HILLS CORP COM 092113109 8,935 136,140 SH SOLE 0 126,135 0 10,005
BLACKBAUD INC COM 09227Q100 14,514 189,550 SH SOLE 0 178,650 0 10,900
FIRST HORIZON CORPORATION COM 320517105 2,234 129,275 SH SOLE 0 128,885 0 390
FLOWSERVE CORP COM 34354P105 2,321 57,560 SH SOLE 0 57,385 0 175
FOUR CORNERS PPTY TR INC COM 35086T109 10,353 374,982 SH SOLE 0 353,372 0 21,610
REGAL BELOIT CORP COM 758750103 10,237 76,674 SH SOLE 0 72,299 0 4,375
REGIONS FINANCIAL CORP NEW COM 7591EP100 1,663 82,428 SH SOLE 0 82,183 0 245
REXNORD CORP COM 76169B102 10,762 215,058 SH SOLE 0 201,983 0 13,075
ROGERS CORP COM 775133101 9,077 45,205 SH SOLE 0 42,785 0 2,420
RYDER SYS INC COM 783549108 11,458 154,155 SH SOLE 0 144,940 0 9,215
SPX CORP COM 784635104 7,582 124,137 SH SOLE 0 114,982 0 9,155
SPX FLOW INC COM 78469X107 8,352 128,016 SH SOLE 0 120,681 0 7,335
SEMTECH CORP COM 816850101 13,052 189,710 SH SOLE 0 175,795 0 13,915
SOUTHSIDE BANCSHARES INC COM 84470P109 9,283 242,814 SH SOLE 0 224,949 0 17,865
SPIRIT AEROSYSTEMS HLDGS INC COM CL A 848574109 10,222 216,610 SH SOLE 0 204,420 0 12,190
STAG INDL INC COM 85254J102 35 945 SH SOLE 0 785 0 160
STEEL DYNAMICS INC COM 858119100 1,857 31,165 SH SOLE 0 31,070 0 95
STERICYCLE INC COM 858912108 2,228 31,145 SH SOLE 0 31,050 0 95
TPG RE FIN TR INC COM 87266M107 9,732 723,597 SH SOLE 0 681,502 0 42,095
TENET HEALTHCARE CORP COM NEW 88033G407 9,119 136,125 SH SOLE 0 126,095 0 10,030
TEREX CORP NEW COM 880779103 10,405 218,510 SH SOLE 0 205,150 0 13,360
TRICO BANCSHARES COM 896095106 7,223 169,634 SH SOLE 0 157,154 0 12,480
II-VI INC COM 902104108 2,196 30,255 SH SOLE 0 30,165 0 90
BLACKSTONE MTG TR INC COM CL A 09257W100 101 3,170 SH SOLE 0 3,170 0 0
BRINKS CO COM 109696104 8,651 112,589 SH SOLE 0 106,154 0 6,435
CMS ENERGY CORP COM 125896100 2,366 40,040 SH SOLE 0 39,920 0 120
CALIX INC COM 13100M509 1,944 40,925 SH SOLE 0 40,800 0 125
CAMDEN PPTY TR SH BEN INT 133131102 2,581 19,455 SH SOLE 0 19,395 0 60
CAMECO CORP COM 13321L108 2,212 115,315 SH SOLE 0 114,965 0 350
CASEYS GEN STORES INC COM 147528103 1,760 9,040 SH SOLE 0 9,013 0 27
CHAMPIONX CORPORATION COM 15872M104 12,671 493,980 SH SOLE 0 465,385 0 28,595
COLLEGIUM PHARMACEUTICAL INC COM 19459J104 9,840 416,244 SH SOLE 0 392,449 0 23,795
COMERICA INC COM 200340107 2,121 29,735 SH SOLE 0 29,645 0 90
COVETRUS INC COM 22304C100 275 10,190 SH SOLE 0 8,980 0 1,210
CROWN HLDGS INC COM 228368106 2,130 20,835 SH SOLE 0 20,775 0 60
DANA INC COM 235825205 9,939 418,295 SH SOLE 0 393,250 0 25,045
DARLING INGREDIENTS INC COM 237266101 1,876 27,795 SH SOLE 0 27,710 0 85
DECKERS OUTDOOR CORP COM 243537107 2,164 5,635 SH SOLE 0 5,620 0 15
GENTEX CORP COM 371901109 2,506 75,725 SH SOLE 0 75,495 0 230
GERMAN AMERN BANCORP INC COM 373865104 35 940 SH SOLE 0 940 0 0
GREAT WESTERN BANCORP INC COM 391416104 6,993 213,275 SH SOLE 0 197,595 0 15,680
GREEN PLAINS INC COM 393222104 8,767 260,755 SH SOLE 0 241,850 0 18,905
HARSCO CORP COM 415864107 6,838 334,852 SH SOLE 0 310,237 0 24,615
HECLA MNG CO COM 422704106 9,072 1,219,365 SH SOLE 0 1,129,755 0 89,610
UNITED THERAPEUTICS CORP DEL COM 91307C102 2,194 12,230 SH SOLE 0 12,195 0 35
VAIL RESORTS INC COM 91879Q109 2,785 8,798 SH SOLE 0 8,773 0 25
VANGUARD ADMIRAL FDS INC MIDCP 400 IDX 921932885 3,197 17,565 SH SOLE 17,565 0 0
VANGUARD TAX-MANAGED INTL FD FTSE DEV MKT ETF 921943858 8,108 157,375 SH SOLE 157,375 0 0
VANGUARD INTL EQUITY INDEX F FTSE EMR MKT ETF 922042858 2,798 51,520 SH SOLE 51,520 0 0
VANGUARD SCOTTSDALE FDS VNG RUS1000VAL 92206C714 8,192 117,698 SH SOLE 117,698 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 40,201 102,157 SH SOLE 102,157 0 0
VANGUARD INDEX FDS REAL ESTATE ETF 922908553 566 5,560 SH SOLE 0 0 5,560
VANGUARD INDEX FDS MID CAP ETF 922908629 4,765 20,075 SH SOLE 20,075 0 0
VANGUARD INDEX FDS SMALL CP ETF 922908751 2,252 9,995 SH SOLE 9,995 0 0
VERITEX HLDGS INC COM 923451108 6,638 187,470 SH SOLE 0 173,670 0 13,800
VIPER ENERGY PARTNERS LP COM UNT RP INT 92763M105 496 26,365 SH SOLE 0 26,365 0 0
WEBSTER FINL CORP CONN COM 947890109 9,624 180,420 SH SOLE 0 170,055 0 10,365
DENBURY INC COM 24790A101 11,183 145,650 SH SOLE 0 136,760 0 8,890
DIAMONDROCK HOSPITALITY CO COM 252784301 8,378 863,720 SH SOLE 0 814,000 0 49,720
E L F BEAUTY INC COM 26856L103 6,212 228,892 SH SOLE 0 212,277 0 16,615
EQT CORP COM 26884L109 9,302 417,860 SH SOLE 0 392,310 0 25,550
ENTERPRISE FINL SVCS CORP COM 293712105 10,539 227,192 SH SOLE 0 213,272 0 13,920
EVERI HLDGS INC COM 30034T103 16,510 661,999 SH SOLE 0 624,324 0 37,675
HOWARD HUGHES CORP COM 44267D107 9,286 95,280 SH SOLE 0 89,785 0 5,495
HUB GROUP INC CL A 443320106 9,710 147,167 SH SOLE 0 138,567 0 8,600
HUNTINGTON BANCSHARES INC COM 446150104 1,849 129,550 SH SOLE 0 129,170 0 380
ITT INC COM 45073V108 1,875 20,475 SH SOLE 0 20,415 0 60
INDEPENDENCE RLTY TR INC COM 45378A106 207 11,330 SH SOLE 0 10,075 0 1,255
INGERSOLL RAND INC COM 45687V106 1,883 38,575 SH SOLE 0 38,460 0 115
ISHARES TR CORE S&P500 ETF 464287200 1,856 4,316 SH SOLE 0 4,316 0 0
ISHARES TR 1 3 YR TREAS BD 464287457 403 4,673 SH SOLE 0 0 4,673
ISHARES TR RUS 2000 VAL ETF 464287630 120 725 SH SOLE 0 725 0 0
ISHARES TR ISHS 1-5YR INVS 464288646 486 8,876 SH SOLE 0 0 8,876
ITRON INC COM 465741106 2,968 29,685 SH SOLE 0 29,400 0 285
J2 GLOBAL INC COM 48123V102 10,078 73,265 SH SOLE 0 69,060 0 4,205
KB HOME COM 48666K109 6,330 155,449 SH SOLE 0 143,994 0 11,455
KEMPER CORP COM 488401100 9,212 124,658 SH SOLE 0 117,618 0 7,040
KENNAMETAL INC COM 489170100 94 2,620 SH SOLE 0 2,620 0 0
KIRBY CORP COM 497266106 9,095 149,980 SH SOLE 0 141,355 0 8,625
KONTOOR BRANDS INC COM 50050N103 6,465 114,605 SH SOLE 0 106,180 0 8,425
LANTHEUS HLDGS INC COM 516544103 10,385 375,721 SH SOLE 0 348,456 0 27,265
LEXINGTON REALTY TRUST COM 529043101 162 13,525 SH SOLE 0 12,025 0 1,500
LIGAND PHARMACEUTICALS INC COM NEW 53220K504 2,394 18,245 SH SOLE 0 18,035 0 210
LIQUIDITY SVCS INC COM 53635B107 9,702 381,200 SH SOLE 0 353,125 0 28,075
MKS INSTRS INC COM 55306N104 2,215 12,445 SH SOLE 0 12,410 0 35
MADDEN STEVEN LTD COM 556269108 8,470 193,555 SH SOLE 0 179,285 0 14,270
MANPOWERGROUP INC WIS COM 56418H100 10,287 86,510 SH SOLE 0 81,615 0 4,895
MARRIOTT VACATIONS WORLDWIDE COM 57164Y107 6,873 43,145 SH SOLE 0 39,975 0 3,170
MEDNAX INC COM 58502B106 199 6,615 SH SOLE 0 5,880 0 735
MOLINA HEALTHCARE INC COM 60855R100 2,467 9,750 SH SOLE 0 9,720 0 30
WINTRUST FINL CORP COM 97650W108 9,801 129,593 SH SOLE 0 120,053 0 9,540
WYNDHAM HOTELS & RESORTS INC COM 98311A105 408 5,650 SH SOLE 0 5,197 0 453
ZUMIEZ INC COM 989817101 9,994 204,008 SH SOLE 0 189,003 0 15,005
ARGO GROUP INTL HLDGS LTD COM G0464B107 10,849 209,322 SH SOLE 0 196,937 0 12,385
BUNGE LIMITED COM G16962105 1,699 21,745 SH SOLE 0 21,680 0 65
CAMBIUM NETWORKS CORP SHS G17766109 6,660 137,750 SH SOLE 0 127,625 0 10,125
HELEN OF TROY LTD COM G4388N106 6,939 30,418 SH SOLE 0 28,178 0 2,240
SIGNET JEWELERS LIMITED SHS G81276100 9,678 119,793 SH SOLE 0 112,833 0 6,960
TEXTAINER GROUP HOLDINGS LTD SHS G8766E109 8,919 264,115 SH SOLE 0 244,675 0 19,440
TRONOX HOLDINGS PLC SHS G9087Q102 6,231 278,180 SH SOLE 0 257,715 0 20,465
COPA HOLDINGS SA CL A P31076105 8,852 117,505 SH SOLE 0 110,725 0 6,780