# EDGAR Filing Document

**Accession Number:** 0001469475
**File Stem:** 0001085146-23-000191
**Filing Date:** 2023-1
**Character Count:** 12155
**Document Hash:** ec664310f0c019823b0066f8da0f5643
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001085146-23-000191.hdr.sgml**: 20230119

**ACCESSION NUMBER**: 0001085146-23-000191

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230119

**DATE AS OF CHANGE**: 20230118

**EFFECTIVENESS DATE**: 20230119

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mesirow Financial Investment Management, Inc.
- **CENTRAL INDEX KEY:** 0001469475
- **IRS NUMBER:** 363429599
- **STATE OF INCORPORATION:** IL
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-13776
- **FILM NUMBER:** 23535317

**BUSINESS ADDRESS:**
- **STREET 1:** 353 N. CLARK ST.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60654
- **BUSINESS PHONE:** 312 595-6639

**MAIL ADDRESS:**
- **STREET 1:** 353 N. CLARK ST.
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60654

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Mesirow Financial Investment Management International Equity
- **DATE OF NAME CHANGE:** 20090731

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2022

**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 Inc.<br>**Address:** 353 N. CLARK ST.<br>CHICAGO, IL 60654

**Form 13F File Number:** 028-13776

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:** Tim Ewing<br>**Title:** Managing Director<br>**Phone:** 312-595-6697

**Signature, Place, and Date of Signing:**

/s/ Tim Ewing  Chicago, IL  01-18-2023<br>[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 are reported 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:** 77

**Form 13F Information Table Value Total:** $23823245

      (round to nearest dollar)

**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.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| A10 NETWORKS INC | COM | 002121101 | BBG0060K22D0 | 253691 | 15255 | SH |  | SOLE |  | 15255 | 0 | 0 |
| ALLIED MOTION TECHNOLOGIES I | COM | 019330109 | BBG001S5RST3 | 483720 | 13896 | SH |  | SOLE |  | 13896 | 0 | 0 |
| ALPHATEC HLDGS INC | COM NEW | 02081G201 | BBG001S64XQ8 | 506597 | 41020 | SH |  | SOLE |  | 41020 | 0 | 0 |
| ALTA EQUIPMENT GROUP INC | COMMON STOCK | 02128L106 | BBG00NZ6JW42 | 466715 | 35384 | SH |  | SOLE |  | 35384 | 0 | 0 |
| AMERICAN VANGUARD CORP | COM | 030371108 | BBG001S8KSH7 | 244368 | 11256 | SH |  | SOLE |  | 11256 | 0 | 0 |
| ANDERSONS INC | COM | 034164103 | BBG001S60FJ9 | 245525 | 7017 | SH |  | SOLE |  | 7017 | 0 | 0 |
| ANI PHARMACEUTICALS INC | COM | 00182C103 | BBG001S9DR85 | 277265 | 6892 | SH |  | SOLE |  | 6892 | 0 | 0 |
| ARIS WATER SOLUTIONS INC | CLASS A COM | 04041L106 | BBG012PPXNM0 | 232635 | 16144 | SH |  | SOLE |  | 16144 | 0 | 0 |
| ARLO TECHNOLOGIES INC | COM | 04206A101 | BBG00K88DTJ1 | 162808 | 46384 | SH |  | SOLE |  | 46384 | 0 | 0 |
| ATLANTICUS HOLDINGS CORP | COM | 04914Y102 | BBG001SC0HS2 | 203653 | 7773 | SH |  | SOLE |  | 7773 | 0 | 0 |
| AVIAT NETWORKS INC | COM NEW | 05366Y201 | BBG001SSSZS7 | 484599 | 15537 | SH |  | SOLE |  | 15537 | 0 | 0 |
| BANC OF CALIFORNIA INC | COM | 05990K106 | BBG001SKZX56 | 313646 | 19689 | SH |  | SOLE |  | 19689 | 0 | 0 |
| BIOLIFE SOLUTIONS INC | COM NEW | 09062W204 | BBG001SFGWZ7 | 333843 | 18343 | SH |  | SOLE |  | 18343 | 0 | 0 |
| BRAEMAR HOTELS  RESORTS INC | COM | 10482B101 | BBG004PW8567 | 234652 | 57093 | SH |  | SOLE |  | 57093 | 0 | 0 |
| BRC INC | COM CL A | 05601U105 | BBG0157C6630 | 232938 | 38124 | SH |  | SOLE |  | 38124 | 0 | 0 |
| BRIDGEWATER BANCSHARES INC | COM ACCD INV | 108621103 | BBG001SQNYQ1 | 423862 | 23893 | SH |  | SOLE |  | 23893 | 0 | 0 |
| BROOKLINE BANCORP INC DEL | COM | 11373M107 | BBG001S73383 | 271086 | 19158 | SH |  | SOLE |  | 19158 | 0 | 0 |
| CADRE HLDGS INC | COM | 12763L105 | BBG011RK3P21 | 216928 | 10771 | SH |  | SOLE |  | 10771 | 0 | 0 |
| CANTALOUPE INC | COM | 138103106 | BBG001S96MW7 | 274768 | 63165 | SH |  | SOLE |  | 63165 | 0 | 0 |
| CHART INDS INC | COM | 16115Q308 | BBG001SQV7W4 | 205686 | 1785 | SH |  | SOLE |  | 1785 | 0 | 0 |
| CLARUS CORP NEW | COM | 18270P109 | BBG001SBNNC3 | 182405 | 23266 | SH |  | SOLE |  | 23266 | 0 | 0 |
| COASTAL FINL CORP WA | COM NEW | 19046P209 | BBG001SN16N6 | 469593 | 9882 | SH |  | SOLE |  | 9882 | 0 | 0 |
| COHERUS BIOSCIENCES INC | COM | 19249H103 | BBG0063N8V87 | 253329 | 31986 | SH |  | SOLE |  | 31986 | 0 | 0 |
| COHU INC | COM | 192576106 | BBG001S87LQ7 | 474917 | 14818 | SH |  | SOLE |  | 14818 | 0 | 0 |
| CONNECTONE BANCORP INC | COM | 20786W107 | BBG001S6YLR0 | 376683 | 15559 | SH |  | SOLE |  | 15559 | 0 | 0 |
| CONSTRUCTION PARTNERS INC | COM CL A | 21044C107 | BBG00KK0CFZ7 | 328901 | 12323 | SH |  | SOLE |  | 12323 | 0 | 0 |
| CTO RLTY GROWTH INC NEW | COM | 22948Q101 | BBG00Y3M1H68 | 244532 | 13377 | SH |  | SOLE |  | 13377 | 0 | 0 |
| DIGITAL TURBINE INC | COM NEW | 25400W102 | BBG001SPBG12 | 253304 | 16621 | SH |  | SOLE |  | 16621 | 0 | 0 |
| DMC GLOBAL INC | COM | 23291C103 | BBG001S5PBG6 | 260788 | 13415 | SH |  | SOLE |  | 13415 | 0 | 0 |
| DOCGO INC | COM | 256086109 | BBG00YB8JBL7 | 274259 | 38792 | SH |  | SOLE |  | 38792 | 0 | 0 |
| ENTRAVISION COMMUNICATIONS C | CL A | 29382R107 | BBG001SF6Z72 | 292195 | 60874 | SH |  | SOLE |  | 60874 | 0 | 0 |
| EXTREME NETWORKS | COM | 30226D106 | BBG001S6ZV24 | 641582 | 35040 | SH |  | SOLE |  | 35040 | 0 | 0 |
| FIRST FNDTN INC | COM | 32026V104 | BBG001V9VY13 | 220510 | 15388 | SH |  | SOLE |  | 15388 | 0 | 0 |
| FIRST WESTN FINL INC | COM | 33751L105 | BBG001SN3RQ5 | 361981 | 12859 | SH |  | SOLE |  | 12859 | 0 | 0 |
| FULL HSE RESORTS INC | COM | 359678109 | BBG001S7D9G0 | 294385 | 39147 | SH |  | SOLE |  | 39147 | 0 | 0 |
| GREAT LAKES DREDGE  DOCK CO | COM | 390607109 | BBG001SNNJN4 | 164726 | 27685 | SH |  | SOLE |  | 27685 | 0 | 0 |
| GRID DYNAMICS HLDGS INC | CL A | 39813G109 | BBG00MDLZP15 | 231727 | 20653 | SH |  | SOLE |  | 20653 | 0 | 0 |
| HARMONIC INC | COM | 413160102 | BBG001S73CC8 | 434147 | 33141 | SH |  | SOLE |  | 33141 | 0 | 0 |
| HEIDRICK  STRUGGLES INTL IN | COM | 422819102 | BBG001SCQ2H9 | 300174 | 10732 | SH |  | SOLE |  | 10732 | 0 | 0 |
| HERITAGE CRYSTAL CLEAN INC | COM | 42726M106 | BBG001SLTGB1 | 274943 | 8465 | SH |  | SOLE |  | 8465 | 0 | 0 |
| I3 VERTICALS INC | COM CL A | 46571Y107 | BBG00L32N3P6 | 310895 | 12773 | SH |  | SOLE |  | 12773 | 0 | 0 |
| INSPIRED ENTMT INC | COM | 45782N108 | BBG007FJ83T0 | 411838 | 32505 | SH |  | SOLE |  | 32505 | 0 | 0 |
| ITERIS INC NEW | COM | 46564T107 | BBG001S7JWV6 | 287635 | 92487 | SH |  | SOLE |  | 92487 | 0 | 0 |
| JOHN MARSHALL BANCORP INC | COM | 47805L101 | BBG001SQ2ZD5 | 270503 | 9399 | SH |  | SOLE |  | 9399 | 0 | 0 |
| JOHNSON OUTDOORS INC | CL A | 479167108 | BBG001SD39D1 | 341973 | 5172 | SH |  | SOLE |  | 5172 | 0 | 0 |
| JOINT CORP | COM | 47973J102 | BBG0074VSJK7 | 220814 | 15795 | SH |  | SOLE |  | 15795 | 0 | 0 |
| LIVEONE INC | COM | 53814X102 | BBG00HNJXM73 | 8717 | 13546 | SH |  | SOLE |  | 13546 | 0 | 0 |
| MALIBU BOATS INC | COM CL A | 56117J100 | BBG005PXTR61 | 308021 | 5779 | SH |  | SOLE |  | 5779 | 0 | 0 |
| MAYVILLE ENGR CO INC | COM | 578605107 | BBG001TFSDY6 | 471104 | 37212 | SH |  | SOLE |  | 37212 | 0 | 0 |
| MEI PHARMA INC | COM NEW | 55279B202 | BBG001SBWG10 | 4990 | 20486 | SH |  | SOLE |  | 20486 | 0 | 0 |
| MILLER INDS INC TENN | COM NEW | 600551204 | BBG001S7BMD6 | 261855 | 9822 | SH |  | SOLE |  | 9822 | 0 | 0 |
| MODINE MFG CO | COM | 607828100 | BBG001S5T913 | 219274 | 11041 | SH |  | SOLE |  | 11041 | 0 | 0 |
| NAPCO SEC TECHNOLOGIES INC | COM | 630402105 | BBG001S5TR13 | 417256 | 15184 | SH |  | SOLE |  | 15184 | 0 | 0 |
| NERDWALLET INC | COM CL A | 64082B102 | BBG0087DN242 | 300835 | 31337 | SH |  | SOLE |  | 31337 | 0 | 0 |
| OLD SECOND BANCORP INC ILL | COM | 680277100 | BBG001S7HMZ6 | 444356 | 27703 | SH |  | SOLE |  | 27703 | 0 | 0 |
| ONEWATER MARINE INC | CL A COM | 68280L101 | BBG00PPXGH27 | 288631 | 10092 | SH |  | SOLE |  | 10092 | 0 | 0 |
| ONTO INNOVATION INC | COM | 683344105 | BBG001S5THX0 | 370546 | 5442 | SH |  | SOLE |  | 5442 | 0 | 0 |
| PATHWARD FINANCIAL INC | COM | 59100U108 | BBG001S7G4Q7 | 303503 | 7050 | SH |  | SOLE |  | 7050 | 0 | 0 |
| PDF SOLUTIONS INC | COM | 693282105 | BBG001SFSR85 | 304337 | 10671 | SH |  | SOLE |  | 10671 | 0 | 0 |
| PLYMOUTH INDL REIT INC | COM | 729640102 | BBG0021H6YT4 | 243202 | 12680 | SH |  | SOLE |  | 12680 | 0 | 0 |
| PUBMATIC INC | COM CL A | 74467Q103 | BBG001V1C792 | 165300 | 12904 | SH |  | SOLE |  | 12904 | 0 | 0 |
| ROCKY BRANDS INC | COM | 774515100 | BBG001S6JXZ2 | 258545 | 10946 | SH |  | SOLE |  | 10946 | 0 | 0 |
| SHOTSPOTTER INC | COM | 82536T107 | BBG001SM2GR1 | 256533 | 7583 | SH |  | SOLE |  | 7583 | 0 | 0 |
| SHYFT GROUP INC | COM | 825698103 | BBG001S5W8H4 | 266126 | 10705 | SH |  | SOLE |  | 10705 | 0 | 0 |
| SILVERBOW RES INC | COM | 82836G102 | BBG00CTNNZ35 | 262523 | 9283 | SH |  | SOLE |  | 9283 | 0 | 0 |
| SIMULATIONS PLUS INC | COM | 829214105 | BBG001S9TQV4 | 204499 | 5592 | SH |  | SOLE |  | 5592 | 0 | 0 |
| SKYLINE CHAMPION CORPORATION | COM | 830830105 | BBG001S5W456 | 288250 | 5596 | SH |  | SOLE |  | 5596 | 0 | 0 |
| SP PLUS CORP | COM | 78469C103 | BBG001S7TNN4 | 540972 | 15581 | SH |  | SOLE |  | 15581 | 0 | 0 |
| STERLING INFRASTRUCTURE INC | COM | 859241101 | BBG001SC9C40 | 520274 | 15862 | SH |  | SOLE |  | 15862 | 0 | 0 |
| TALOS ENERGY INC | COM | 87484T108 | BBG00JPH4JG0 | 424234 | 22470 | SH |  | SOLE |  | 22470 | 0 | 0 |
| TRAVELCENTERS OF AMERICA INC | COM NEW | 89421B109 | BBG001SHR063 | 220721 | 4929 | SH |  | SOLE |  | 4929 | 0 | 0 |
| TRIUMPH FINANCIAL INC | COM | 89679E300 | BBG001SNKPZ0 | 239463 | 4900 | SH |  | SOLE |  | 4900 | 0 | 0 |
| UFP TECHNOLOGIES INC | COM | 902673102 | BBG001S79DN8 | 573299 | 4863 | SH |  | SOLE |  | 4863 | 0 | 0 |
| UNIVERSAL TECHNICAL INST INC | COM | 913915104 | BBG001SC4X67 | 440153 | 65499 | SH |  | SOLE |  | 65499 | 0 | 0 |
| VERICEL CORP | COM | 92346J108 | BBG001S6X9M3 | 280679 | 10656 | SH |  | SOLE |  | 10656 | 0 | 0 |
| VERRA MOBILITY CORP | CL A COM STK | 92511U102 | BBG00G4XQBP7 | 267071 | 19311 | SH |  | SOLE |  | 19311 | 0 | 0 |
| VITAL FARMS INC | COM | 92847W103 | BBG006XWWBM5 | 420252 | 28167 | SH |  | SOLE |  | 28167 | 0 | 0 |

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