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Chicago Capital Management, LLC

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13F filer, CIK 1580162, CHICAGO, IL

Chicago Capital Management, LLC reported $120,713,743 across 29 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-04-27. Its ten largest share positions make up 58.76% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001062993-26-002171

Period
2026-03-31
Reported value
$121M
Holdings
29
Top 10 weight
58.76%
New
13
Sold out
27

Largest buys vs the previous quarter

SecurityShares changeApprox. value
GTLSnew+53,000$8.27M
ACLXnew+92,951$8.04M
APLSnew+190,000$5.76M
TERNnew+129,225$5.14M
FOLDadded+266,000$2.89M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
CDTXexited-49,000-$8.17M
EXASexited-86,122-$6.56M
CFLTexited-235,300-$5.34M
ASTRIA THERAPEUTICS INCexited-530,000-$5.24M
HOLXexited-85,000-$4.78M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001062993-26-002171, largest first. % of portfolio is the value over $120,713,743, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
GTLSCHART INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 53,000 shares 53,000$8.27M6.85%newTimeline
JHGJANUS HENDERSON GROUP PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 175,000 shares; 2026Q1: 213,000 shares 213,000$8.22M6.81%+38,000Timeline
ACLXARCELLX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 92,951 shares 92,951$8.04M6.66%newTimeline
FOLDAMICUS THERAPEUTICQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 400,000 shares; 2026Q1: 666,000 shares 666,000$7.23M5.99%+266,000Timeline
APLSAPELLIS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 190,000 shares 190,000$5.76M4.77%newTimeline
TERNTERNS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 129,225 shares 129,225$5.14M4.26%newTimeline
HEWLETT PACKARD ENTERPRISE CHEWLETT PACKARD ENTERPRISE CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 32,900 shares; 2025Q2: 32,900 shares; 2025Q3: 32,900 shares; 2025Q4: 32,900 shares; 2026Q1: 32,900 shares 32,900$2.13M1.77%0
DHILDIAMOND HILL INVT GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 11,300 shares 11,300$1.46M1.21%newTimeline
BLFYBLUE FOUNDRY BANCORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 19,734 shares; 2026Q1: 146,012 shares 146,012$1.45M1.2%+126,278Timeline
THRTHERMON GROUP HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 30,069 shares 30,069$1.14M0.95%newTimeline
EAELECTRONIC ARTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 2,000 shares; 2026Q1: 2,000 shares 2,000$307K0.25%0Timeline
DAWNDAY ONE BIOPHARMACEUTICALS IQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 10,000 shares 10,000$162K0.13%newTimeline
HTBKHERITAGE COMM CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 14,014 shares 14,014$132K0.11%newTimeline

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
BANDWIDTH INCBANDWIDTH INC NOTE 0.500% 4/0principal8,140$7.29M+2,140
IRONWOOD PHARMACEUTICALS INCIRONWOOD PHARMACEUTICALS INC NOTE 1.500% 6/1principal7,000$6.91M+3,000
CRACKER BARREL OLD CTRY STORCRACKER BARREL OLD CTRY STOR cvprincipal6,883$6.81M+83
ACCURAY INC DELACCURAY INC DEL NOTE 3.750% 6/0principal6,500$6.28M0
SABRE GLBL INCSABRE GLBL INC NOTE 7.320% 8/0principal5,958$6.05Mnew
MGP INGREDIENTS INC NEWMGP INGREDIENTS INC NEW NOTE 1.875%11/1principal6,018$5.85M0
THE REALREAL INCTHE REALREAL INC CNVprincipal5,307$4.88M0
RAPID7 INCRAPID7 INC NOTE 0.250% 3/1principal4,518$4.29Mnew
NABORS INDS INCNABORS INDS INC NOTE 1.750% 6/1principal4,550$4.16M+1,250
SHAKE SHACK INCSHAKE SHACK INC NOTE 3/0principal4,189$3.93M0
ETSY INCETSY INC NOTE 0.250% 6/1principal4,292$3.83M0
LITHIUM ARGENTINA AGLITHIUM ARGENTINA AG NOTE 1.750% 1/1principal3,820$3.7Mnew
ASSERTIO HOLDINGS INCASSERTIO HOLDINGS INC NOTE 6.500% 9/0principal2,750$2.64Mnew
VERITONE INCVERITONE INC NOTE 1.750%11/1principal2,500$2.43M+1,500
XEROX HOLDINGS CORPXEROX HOLDINGS CORP NOTE 3.750% 3/1principal4,000$1.16M0
PAR TECHNOLOGY CORPPAR TECHNOLOGY CORP NOTE 1.500%10/1principal1,127$1.05Mnew

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
EVENTBRITE INCEVENTBRITE INC8,660$8.52Mprincipal
CDTXCIDARA THERAPEUTICS INC49,000$8.17Mshares
EXASEXACT SCIENCES CORP86,122$6.56Mshares
CABLE ONE INCCABLE ONE INC6,000$5.92Mprincipal
JETBLUE AIRWAYS CORPJETBLUE AIRWAYS CORP5,920$5.84Mprincipal
OIL STS INTL INCOIL STS INTL INC5,700$5.79Mprincipal
CFLTCONFLUENT INC-CLASS A235,300$5.34Mshares
ASTRIA THERAPEUTICS INCASTRIA THERAPEUTICS INC530,000$5.24Mshares
HOLXHOLOGIC INC85,000$4.78Mshares
BLACKLINE INCBLACKLINE INC4,595$4.54Mprincipal
PELOTON INTERACTIVE INCPELOTON INTERACTIVE INC4,100$4.05Mprincipal
FUBOTV INCFUBOTV INC2,926$2.96Mprincipal
CONFLUENT INCCONFLUENT INC3,048$2.96Mprincipal
FASTLY INCFASTLY INC2,416$2.39Mprincipal
TripAdvisor IncTripAdvisor Inc2,000$1.97Mprincipal
OMEROS CORPOMEROS CORP1,914$1.94Mprincipal
DIGITALOCEAN HLDGS INCDIGITALOCEAN HLDGS INC2,000$1.92Mprincipal
RNAMAVIDITY BIOSCIENCES INC35,000$1.91Mshares
DAYDAYFORCE INC34,568$1.8Mshares
ALEXALEXANDER & BALDWIN INC90,000$1.39Mshares
SYNCHRONOSS TECHNOLOGIES INCSYNCHRONOSS TECHNOLOGIES INC182,470$1.17Mshares
IROQIF BANCORP INC38,066$1.02Mshares
ALARM COM HLDGS INCALARM COM HLDGS INC1,003$1Mprincipal
NWFLNORWOOD FINANCIAL CORP15,069$407Kshares
GIFIGULF ISLAND FABRICATION INC36,819$333Kshares
FSFGFIRST SAVINGS FINANCIAL GRP12,977$312Kshares
AVADEL PHARMACEUTICALSAVADEL PHARMACEUTICALS10,000$163Kshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001062993-26-002171 base2026-04-27acceptance time not in the bulk data set