Stocks/Funds/CIK 1469475

Mesirow Financial Investment Management, Inc.

index-like (500+ pos)long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1469475
Assets
$6.17B
+19.7% YoY
Holdings
516
Lifetime alpha vs market
-2.18% annual
Average hold time
2.1 yr
median 2.5 yr

Quarterly history

Cum return +39% vs S&P +52% · α -13% lifetimeAUM $6.2B · peak $6.2BFlow $1.5B (+30%)2017-062018-122020-062021-122023-062024-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-1.70%
trims when stocks drop
when a holding falls −10%+
Middle response
-2.05%
baseline attrition
Rally response
-2.30%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
BRK-BBerkshire Hathaway Inc.$468M7.6%2.5 yr
MOATVanEck Morningstar Wide $259M4.2%2.5 yr
AAPLApple Inc.$247M4.0%+14.7%2.5 yr
IJRiShares Core S&P Small-C$195M3.2%2.5 yr
MSFTMicrosoft Corporation$169M2.7%-0.6%2.5 yr
IVViShares Core S&P 500 ETF$159M2.6%2.5 yr
FPAGFPA Global Equity ETF$158M2.6%2.0 yr
GOOGAlphabet Inc.$156M2.5%+84.3%2.5 yr
ITOTiShares Core S&P Total U$150M2.4%2.5 yr
IJHiShares Core S&P Mid-Cap$139M2.3%2.5 yr
VOOVanguard S&P 500 ETF$124M2.0%2.5 yr
IWRiShares Russell Mid-Cap $109M1.8%2.5 yr
GOOGLAlphabet Inc.$107M1.7%2.3 yr
JPMJPMorgan Chase & Co.$92M1.5%+21.8%2.5 yr
GLDSPDR Gold Shares$87M1.4%2.5 yr

Portfolio composition (YoY)

Industry mix
Asset Management48.1%+2.5pp$2.97B
Insurance - Diversified8.1%-2.3pp$500M
Internet Content & Information4.6%+1.1pp$282M
Consumer Electronics4.0%-0.7pp$247M
Software - Infrastructure3.3%+0.7pp$206M
Asset Management - Bonds3.3%+0.6pp$203M
Banks - Diversified2.5%+0.1pp$154M
Drug Manufacturers - General1.8%-0.1pp$110M
Semiconductors1.7%+0.6pp$107M
Specialty Retail1.4%-0.2pp$87M
Country
US97.9%+0.7pp
IE1.0%-0.4pp
GB0.6%-0.1pp
CA0.3%+0.0pp
Unknown0.1%-0.0pp
TW0.1%-0.0pp
CH0.0%+0.0pp
IL0.0%-0.0pp
Top 5: 21.7% · Top 10: 34.0% · Top 25: 54.0%

Winners

TickerPrev $PnLYoY %
GOOG$92M+0.08B84.3%
CAT$32M+0.04B117.8%
AAPL$245M+0.04B14.7%
AVGO$39M+0.03B86.0%
RTX$39M+0.02B48.1%

Losers

TickerPrev $PnLYoY %
MSFT$118M-0.00B-0.6%
TMO$44M-0.00B-0.9%

Top buys this quarter · 15

MSFT Microsoft Corporation+$62M
NVDA NVIDIA Corporation+$26M
ORCL Oracle Corporation+$19M
PEP PepsiCo, Inc.+$16M
AMZN Amazon.com, Inc.+$13M
NKE NIKE, Inc.+$10M
SPY State Street SPDR S&P 500 ETF +$9M
PM Philip Morris International In+$9M
NTRS Northern Trust Corporation+$8M
PFE Pfizer Inc.+$8M

Top sells this quarter · 15

AAPL Apple Inc.$6M
FITB Fifth Third Bancorp$2M
ISSC Innovative Aerosystems, Inc.$1M
ARCC Ares Capital Corporation$1M
CAT Caterpillar Inc.$52M
MPC Marathon Petroleum Corporation$2M
AEM Agnico Eagle Mines Limited$0M
BMY Bristol-Myers Squibb Company$0M
VLO Valero Energy Corporationexit$0M
SKE.TO Skeena Resources Limitedexit$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$6.17B516+17.36%+17.59%-0.23%+1.48B
2025-12-31$4.87B484+16.54%+17.72%-1.18%-0.94B
2025-09-30$5.59B553+14.63%+17.52%-2.89%-0.03B
2025-06-30$5.13B535+11.56%+14.94%-3.38%-0.38B
2025-03-31$5.16B592+6.68%+8.30%-1.62%+0.34B
2024-12-31$5.03B594+19.28%+24.89%-5.61%-0.25B
2024-09-30$5.17B591+30.41%+36.04%-5.63%+0.41B
2024-06-30$4.46B572+15.36%+24.49%-9.13%-0.05B
2024-03-31$4.41B588+19.83%+29.62%-9.80%+1.53B
2023-12-31$2.70B537+19.29%+26.18%-6.88%+2.67B
2023-09-30$23M81+14.21%+21.57%-7.36%+0.00B
2023-06-30$24M79+21.17%+19.42%+1.75%-0.00B
2023-03-31$24M73-7.12%-7.82%+0.70%-0.00B
2022-12-31$24M77+7.00%+7.56%-0.56%+0.00B
2022-09-30$21M71+0.12%-4.93%+5.04%+0.00B
2022-06-30$21M69-18.69%-16.11%-2.58%-0.00B