Stocks/Funds/CIK 1580162

Chicago Capital Management, LLC

microcap filerconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1580162
Assets
$49M
+8.5% YoY
Holdings
13
Lifetime alpha vs market
-29.89% annual
Average hold time
0.4 yr
median 0.3 yr

Quarterly history

Cum return -51% vs S&P +41% · α -93% lifetimeAUM $49M · peak $448MFlow $-5M (-10%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+0.00%
trims when stocks drop
when a holding falls −10%+
Middle response
-22.29%
baseline attrition
Rally response
when a holding rises +10%+

Top positions · 13

Ticker$ value% portYoYHold time
GTLSChart Industries, Inc.$8M16.7%+43.2%0.3 yr
JHGJanus Henderson Group pl$8M16.6%+46.4%0.5 yr
ACLXArcellx, Inc.$8M16.3%0.3 yr
FOLDAmicus Therapeutics, Inc$7M14.6%+77.2%0.5 yr
APLSApellis Pharmaceuticals,$6M11.7%+84.0%0.3 yr
TERNTerns Pharmaceuticals, I$5M10.4%0.3 yr
$2M4.3%1.3 yr
DHILDiamond Hill Investment $1M3.0%+28.6%0.3 yr
BLFYBlue Foundry Bancorp$1M2.9%+43.9%0.5 yr
THRThermon Group Holdings, $1M2.3%+81.0%0.3 yr
EAElectronic Arts Inc.$0M0.6%+41.7%0.5 yr
DAWNDay One Biopharmaceutica$0M0.3%+170.4%0.3 yr
HTBKHeritage Commerce Corp$0M0.3%0.3 yr

Portfolio composition (YoY)

Industry mix
Biotechnology53.2%+48.5pp$26M
Asset Management19.6%$10M
Industrial - Machinery19.0%$9M
Unknown4.3%+0.9pp$2M
Banks - Regional3.2%-10.4pp$2M
Electronic Gaming & Multimedia0.6%$0M
Country
US79.1%-17.5pp
GB16.6%
Unknown4.3%+0.9pp
Top 5: 75.9% · Top 10: 98.8% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %

Losers

TickerPrev $PnLYoY %

Top buys this quarter · 11

ACLX Arcellx, Inc.new+$0M
HTBK Heritage Commerce Corpnew+$0M
TERN Terns Pharmaceuticals, Inc.new+$0M
GTLS Chart Industries, Inc.new+$11M
APLS Apellis Pharmaceuticals, Inc.new+$8M
FOLD Amicus Therapeutics, Inc.+$4M
JHG Janus Henderson Group plc+$2M
DHIL Diamond Hill Investment Group,new+$2M
BLFY Blue Foundry Bancorp+$2M
THR Thermon Group Holdings, Inc.new+$2M

Top sells this quarter · 14

ALEX Alexander & Baldwin, Inc.exit$0M
ATXS Astria Therapeutics, Inc.exit$0M
RNAM Avidity Biosciences Incexit$0M
DAY Dayforce Incexit$0M
CDTX Cidara Therapeutics, Inc.exit$0M
FSFG First Savings Financial Group,exit$0M
GIFI Gulf Island Fabrication, Inc.exit$0M
IROQ IF Bancorp, Inc.exit$0M
exit$0M
exit$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$49M13+5.87%-4.37%+10.24%-0.01B
2025-12-31$52M19+0.02B
2025-09-30$27M7-1.91%+8.12%-10.03%-0.01B
2025-06-30$42M15-4.70%+10.78%-15.48%-0.00B
2025-03-31$46M15-16.89%-4.27%-12.62%+0.01B
2024-12-31$47M15+0.00B
2024-09-30$42M11+0.01B
2024-06-30$28M12-10.63%+4.38%-15.00%+0.01B
2024-03-31$23M15-7.84%+10.39%-18.23%-0.01B
2023-12-31$33M18-2.00%+11.64%-13.64%+0.00B
2023-09-30$32M14-0.04B
2023-06-30$74M14-21.69%+19.42%-41.12%+0.00B
2023-03-31$87M21-10.64%-7.82%-2.83%+0.01B
2022-12-31$108M22+23.42%+7.56%+15.86%-0.12B
2022-09-30$184M31+5.44%-4.93%+10.37%-0.00B
2022-06-30$176M29-6.32%-16.11%+9.79%+0.01B