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Chicago Capital Management, LLC

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13F filer, CIK 1580162, CHICAGO, IL

Chicago Capital Management, LLC reported $146,929,611 across 43 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-02. Its ten largest share positions make up 44.65% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001062993-26-000528

Period
2025-12-31
Reported value
$147M
Holdings
43
Top 10 weight
44.65%
New
23
Sold out
8

Largest buys vs the previous quarter

SecurityShares changeApprox. value
CDTXnew+49,000$8.17M
EXASnew+86,122$6.56M
JHGnew+175,000$6.26M
CFLTnew+235,300$5.34M
ASTRIA THERAPEUTICS INCnew+530,000$5.24M

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
VERONA PHARMA PLCexited-129,600-$13.8M
Tourmaline Bio Incexited-112,406-$5.38M
PB BANKSHARES INCexited-145,751-$2.8M
CORECARD CORPORATIONexited-65,059-$1.75M
CFSB BANCORP INCexited-41,424-$588K

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, Q4 2025

Share positions as resolved from 13F-HR 0001062993-26-000528, largest first. % of portfolio is the value over $146,929,611, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
CDTXCIDARA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 49,000 shares 49,000$8.17M5.56%newTimeline
EXASEXACT SCIENCES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 86,122 shares 86,122$6.56M4.47%newTimeline
JHGJANUS HENDERSON GROUP PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 175,000 shares 175,000$6.26M4.26%newTimeline
CFLTCONFLUENT INC-CLASS AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 235,300 shares 235,300$5.34M3.63%newTimeline
ASTRIA THERAPEUTICS INCASTRIA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 530,000 shares 530,000$5.24M3.56%new
HOLXHOLOGIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 85,000 shares 85,000$4.78M3.25%newTimeline
FOLDAMICUS THERAPEUTICQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 400,000 shares 400,000$4.28M2.92%newTimeline
HEWLETT PACKARD ENTERPRISE CHEWLETT PACKARD ENTERPRISE CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 32,900 shares; 2025Q2: 32,900 shares; 2025Q3: 32,900 shares; 2025Q4: 32,900 shares 32,900$2.19M1.49%0
RNAMAVIDITY BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 35,000 shares 35,000$1.91M1.3%newTimeline
DAYDAYFORCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 34,568 shares 34,568$1.8M1.22%newTimeline
ALEXALEXANDER & BALDWIN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 90,000 shares 90,000$1.39M0.95%newTimeline
SYNCHRONOSS TECHNOLOGIES INCSYNCHRONOSS TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 182,470 shares 182,470$1.17M0.8%new
IF BANCORP INCIF BANCORP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 38,066 shares 38,066$1.02M0.69%new
NWFLNORWOOD FINANCIAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 15,069 shares 15,069$407K0.28%newTimeline
GIFIGULF ISLAND FABRICATION INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 36,819 shares 36,819$333K0.23%newTimeline
FSFGFIRST SAVINGS FINANCIAL GRPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 12,977 shares 12,977$312K0.21%newTimeline
EAELECTRONIC ARTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 2,000 shares 2,000$308K0.21%newTimeline
BLFYBLUE FOUNDRY BANCORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 19,734 shares 19,734$185K0.13%newTimeline
AVADEL PHARMACEUTICALSAVADEL PHARMACEUTICALSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 10,000 shares 10,000$163K0.11%new

Principal amounts

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

SecurityTypeAmountValueChange
EVENTBRITE INCEVENTBRITE INC NOTE 0.750% 9/1principal8,660$8.52M0
CRACKER BARREL OLD CTRY STORCRACKER BARREL OLD CTRY STOR cvprincipal6,800$6.63Mnew
ACCURAY INC DELACCURAY INC DEL NOTE 3.750% 6/0principal6,500$6.12M0
CABLE ONE INCCABLE ONE INC NOTE 3/1principal6,000$5.92M0
JETBLUE AIRWAYS CORPJETBLUE AIRWAYS CORP NOTE 0.500% 4/0principal5,920$5.84M+50
MGP INGREDIENTS INC NEWMGP INGREDIENTS INC NEW NOTE 1.875%11/1principal6,018$5.79M+2,011
OIL STS INTL INCOIL STS INTL INC NOTE 4.750% 4/0principal5,700$5.79M0
BANDWIDTH INCBANDWIDTH INC NOTE 0.500% 4/0principal6,000$5.28M0
THE REALREAL INCTHE REALREAL INC CNVprincipal5,307$4.99M+1,000
BLACKLINE INCBLACKLINE INC NOTE 3/1principal4,595$4.54M0
PELOTON INTERACTIVE INCPELOTON INTERACTIVE INC NOTE 2/1principal4,100$4.05M0
SHAKE SHACK INCSHAKE SHACK INC NOTE 3/0principal4,189$3.97M0
ETSY INCETSY INC NOTE 0.250% 6/1principal4,292$3.84M0
IRONWOOD PHARMACEUTICALS INCIRONWOOD PHARMACEUTICALS INC NOTE 1.500% 6/1principal4,000$3.79Mnew
FUBOTV INCFUBOTV INC NOTE 3.250% 2/1principal2,926$2.96M0
CONFLUENT INCCONFLUENT INC NOTE 1/1principal3,048$2.96M0
NABORS INDS INCNABORS INDS INC NOTE 1.750% 6/1principal3,300$2.7Mnew
FASTLY INCFASTLY INC NOTE 3/1principal2,416$2.39M0
TripAdvisor IncTripAdvisor Inc CONVprincipal2,000$1.97M0
OMEROS CORPOMEROS CORP NOTE 5.250% 2/1principal1,914$1.94Mnew
DIGITALOCEAN HLDGS INCDIGITALOCEAN HLDGS INC CNVprincipal2,000$1.92M-4,500
XEROX HOLDINGS CORPXEROX HOLDINGS CORP NOTE 3.750% 3/1principal4,000$1.24M0
ALARM COM HLDGS INCALARM COM HLDGS INC NOTE 1/1principal1,003$1M0
VERITONE INCVERITONE INC NOTE 1.750%11/1principal1,000$941Knew

Sold out in Q4 2025

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

SecurityShares beforeValue beforeType
VERONA PHARMA PLCVERONA PHARMA PLC129,600$13.8Mshares
Tourmaline Bio IncTourmaline Bio Inc112,406$5.38Mshares
WAYFAIR INCWAYFAIR INC3,000$2.99Mprincipal
PB BANKSHARES INCPB BANKSHARES INC145,751$2.8Mshares
HERBALIFE LTDHERBALIFE LTD2,046$1.96Mprincipal
CORECARD CORPORATIONCORECARD CORPORATION65,059$1.75Mshares
CFSB BANCORP INCCFSB BANCORP INC41,424$588Kshares
BANKFINANCIAL CORPBANKFINANCIAL CORP28,752$346Kshares

How Q4 2025 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 0001062993-26-000528 base2026-02-02acceptance time not in the bulk data set