13F Filings History of Mesirow Financial Investment Management, Inc.

Latest 13F report
Q4 2025 - 05 Feb 2026
Value $
$4,869,539,547
Signature - Title
Mary Jo Hayes - CCO
Location
Chicago, IL
Summary
This page shows a list of all the recent 13F filings made by Mesirow Financial Investment Management, Inc.. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Mesirow Financial Investment Management, Inc. reported 485 stock holdings with total value $4,869,539,547 as of Q4 2025. Top holdings included BRKB, AAPL, MOAT, GOOG, and MSFT.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 485 $4,869,539,547 +$162,373,284 -$1,034,868,449 -$872,495,165 BRKB, AAPL, MOAT, GOOG, MSFT 13F-HR 04 Feb 2026, 18:22
Q3 2025 554 $5,589,572,312 +$127,433,790 -$65,591,631 +$61,842,159 BRKB, AAPL, MOAT, IJR, MSFT 13F-HR 10 Nov 2025, 21:33
Q2 2025 536 $5,128,461,795 +$168,570,234 -$488,794,836 -$320,224,602 BRKB, MOAT, AAPL, MSFT, IJR 13F-HR 04 Aug 2025, 13:43
Q1 2025 593 $5,160,168,880 +$453,420,095 -$236,935,867 +$216,484,228 BRKB, AAPL, MOAT, ITOT, IJR 13F-HR 08 May 2025, 10:07
Q4 2024 596 $5,034,471,159 +$289,506,518 -$424,653,448 -$135,146,930 BRKB, MOAT, AAPL, IJR, IVV 13F-HR 06 Feb 2025, 20:07
Q3 2024 593 $5,168,490,380 +$569,237,466 -$107,653,069 +$461,584,397 BRKB, AAPL, MOAT, IJR, VYM 13F-HR 01 Nov 2024, 12:45
Q2 2024 508 $4,441,033,210 +$117,347,315 -$103,122,107 +$14,225,208 BRKB, AAPL, MOAT, IJR, MSFT Restatement 09 Aug 2024, 16:58
Q1 2024 523 $4,396,092,370 +$465,179,439 -$71,088,174 +$394,091,265 BRKB, MOAT, AAPL, IJR, MSFT Restatement 25 Apr 2024, 12:23
Q4 2023 565 $2,310,035,317 +$2,287,944,220 -$2,585,458 +$2,285,358,762 BRKB, MOAT, ITOT, IJR, IVV Restatement 13 Feb 2024, 15:27
Q3 2023 81 $22,976,587 +$5,034,161 -$4,737,176 +$296,985 ATEC, VITL, UFPT, GTLS, EXTR 13F-HR 03 Nov 2023, 17:54
Q2 2023 79 $23,600,295 +$4,967,795 -$6,816,309 -$1,848,514 EXTR, ATEC, UFPT, AVNW, CTLP 13F-HR 14 Jul 2023, 17:36
Q1 2023 73 $24,122,069 +$1,209,842 -$2,296,172 -$1,086,330 EXTR, ATEC, UFPT, STRL, NSSC 13F-HR 12 Apr 2023, 11:21
Q4 2022 77 $23,823,245 +$4,788,723 -$3,884,827 +$903,896 EXTR, UFPT, SP, STRL, ATEC 13F-HR 18 Jan 2023, 17:32
Q3 2022 71 $20,606,000 +$2,350,367 -$1,967,772 +$382,595 UFPT, NSSC, SP, EXTR, AVNW 13F-HR 26 Oct 2022, 09:54
Q2 2022 69 $20,673,000 +$2,772,000 -$7,581,860 -$4,809,860 UFPT, TALO, SP, NSSC, UTI 13F-HR 20 Jul 2022, 07:47
Q1 2022 80 $29,670,000 +$7,132,990 -$7,997,583 -$864,593 TALO, UTI, UFPT, STRL, ANDE 13F-HR 02 May 2022, 11:56
Q4 2021 77 $34,669,000 +$6,822,226 -$6,359,185 +$463,041 ONTO, EXTR, ALTG, SHYF, NOTV 13F-HR 13 Jan 2022, 19:22
Q3 2021 78 $33,975,000 +$7,002,037 -$10,891,115 -$3,889,078 TFIN, ALTG, MEC, NSSC, ONTO 13F-HR 20 Oct 2021, 10:53
Q2 2021 85 $39,138,000 +$6,088,018 -$5,226,666 +$861,352 MEC, SHYF, STRL, ALTG, CLAR 13F-HR 23 Jul 2021, 13:07
Q1 2021 135 $36,784,000 +$3,789,453 -$3,875,024 -$85,571 ATEC, SHYF, ALDX, VCEL, ALTG 13F-HR 14 Apr 2021, 13:11
Q4 2020 126 $31,617,595 +$1,810,006 -$2,175,627 -$365,621 ATEC, MWK, COHU, CDNA, SHYF 13F-HR 14 Jan 2021, 15:31
Q3 2020 70 $23,331,000 +$4,086,785 -$4,183,236 -$96,451 TFFP, QNST, ALDX, STRL, CDNA 13F-HR 13 Oct 2020, 13:58
Q2 2020 70 $21,239,000 +$5,482,980 -$4,788,672 +$694,308 CELH, TSC, IDN, FLXN, CDNA 13F-HR 22 Jul 2020, 17:09
Q1 2020 68 $15,870,000 +$5,956,299 -$7,217,274 -$1,260,975 ATCX, GTLS, SPAR, FLXN, BEAT 13F-HR 09 Apr 2020, 17:13
Q4 2019 62 $23,685,000 +$5,132,480 -$7,177,371 -$2,044,891 SPAR, TSC, CSTL, TALO, BWB 13F-HR 09 Jan 2020, 14:25
Q3 2019 59 $23,776,000 +$3,521,094 -$4,758,427 -$1,237,333 TSC, FFWM, SPAR, CASH, ANIP 13F-HR 30 Oct 2019, 09:30
Q2 2019 52 $27,402,000 +$7,160,492 -$5,524,533 +$1,635,959 TSC, MEC, CARA, BWB, CASH 13F-HR 12 Jul 2019, 16:51
Q1 2019 60 $25,167,000 +$10,776,756 -$2,544,263 +$8,232,493 ANIP, TEUM, TSC, TFIN, EVBG 13F-HR 09 Apr 2019, 09:55
Q4 2018 58 $15,492,000 +$3,053,901 -$2,724,016 +$329,885 IIIV, CLAR, TSC, TFIN, EVBG 13F-HR 14 Feb 2019, 14:35
Q3 2018 54 $19,399,000 +$2,661,347 -$6,382,043 -$3,720,696 IIIV, TSC, TFIN, ALDX, VCRA 13F-HR 09 Oct 2018, 09:01
Q2 2018 56 $22,510,000 +$4,578,857 -$7,791,524 -$3,212,667 HRTX, TSC, TFIN, EVBG, ANIP 13F-HR 11 Jul 2018, 11:37
Q1 2018 58 $23,745,000 +$4,473,059 -$3,581,380 +$891,679 HRTX, TSC, TFIN, CVGW, SPAR 13F-HR 17 Apr 2018, 12:33
Q4 2017 55 $22,064,000 +$3,126,460 -$3,280,380 -$153,920 CVGW, CARO, PATK, HRTX, SPAR 13F-HR 12 Jan 2018, 17:44
Q3 2017 55 $21,223,000 +$5,565,311 -$5,795,112 -$229,801 TFIN, TACO, SPAR, CARO, ANIP 13F-HR 12 Oct 2017, 11:00
Q2 2017 54 $21,166,000 $0 $0 $0 NEO, USCR, HDSN, TSC, TACO 13F-HR 17 Aug 2017, 14:13