Chicago Capital Management, LLC — 13F Holdings & Portfolio

CIK 1580162 · latest 13F-HR filed 2026-07-22

Chicago Capital Management, LLC manages $112.3M in 13F-reported U.S. long-equity assets across 27 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NUVL (9.84%), APGE (8.73%), GTLS (7.44%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 14 new positions, exited 16, added to 5, and trimmed 0.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
311 SOUTH WACKER DRIVE
SUITE 6025
CHICAGO, IL 60606
Phone
(312) 374-9000
Filing Manager
Chicago Capital Management, LLC
CHICAGO, IL
Signatory
Steven Gerbel
Managing Member
Loading holdings…
AUM

$112.3M

Long-equity book

Holdings

27

Distinct positions

Period

2026-06-30

Filed 2026-07-22

Q/Q Activity

+14 / −16 / ↑5 / ↓0

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • VERITONE INC$3.0M +121.8%
  • RAPID7 INC$2.0M +47.2%
  • HEWLETT PACKARD ENTERPRISE C$1.7M +78.5%
  • SABRE GLBL INC$1.1M +17.8%
  • XEROX HOLDINGS CORP$279.2K +24.0%
Show all 5

Top Trims

  • No decreased positions.
Show all 0

New Positions

  • NUVALENT INC$11.1M
  • APOGEE THERAPEUTICS INC$9.8M
  • TAYLOR MORRISON HOME CORP$7.2M
  • AMPHASTAR PHARMACEUTICALS IN$5.0M
  • FIVE9 INC$4.5M
Show all 14

Exited Positions

  • JANUS HENDERSON GROUP PLC$8.2M
  • ARCELLX INC$8.0M
  • AMICUS THERAPEUTIC$7.2M
  • IRONWOOD PHARMACEUTICALS INC$6.9M
  • CRACKER BARREL OLD CTRY STOR$6.8M
Show all 16
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 NUVALENT INC NUVL 670703107 $11.1M 9.84% 115,500 SH
2 APOGEE THERAPEUTICS INC APGE 03770N101 $9.8M 8.73% 97,100 SH
3 CHART INDS INC GTLS 16115Q308 $8.4M 7.44% 53,000 SH
4 BANDWIDTH INC BAND 05988JAD5 $7.6M 6.79% 8,153 PRN
5 TAYLOR MORRISON HOME CORP TMHC 87724P106 $7.2M 6.39% 133,000 SH
6 SABRE GLBL INC SABR 78573NAK8 $7.1M 6.34% 6,904 PRN
7 RAPID7 INC RPD 753422AF1 $6.3M 5.62% 6,520 PRN
8 MGP INGREDIENTS INC NEW MGPI 55303JAB2 $5.9M 5.28% 6,068 PRN
9 VERITONE INC VERI 92347MAB6 $5.4M 4.80% 5,500 PRN
10 AMPHASTAR PHARMACEUTICALS IN AMPH 03209RAB9 $5.0M 4.43% 5,440 PRN
11 THE REALREAL INC REAL 88339PAD3 $4.8M 4.26% 5,307 PRN
12 FIVE9 INC FIVN 338307AF8 $4.5M 3.99% 5,000 PRN
13 SHAKE SHACK INC SHAK 819047AB7 $4.0M 3.53% 4,189 PRN
14 ETSY INC ETSY 29786AAN6 $3.9M 3.50% 4,292 PRN
15 HEWLETT PACKARD ENTERPRISE C HPEPC 42824C208 $3.8M 3.39% 32,900 SH
16 SAREPTA THERAPEUTICS INC SRPT 803607AD2 $3.0M 2.67% 3,170 PRN
17 CATALYST PHARMACEUTICALS INC CPRX 14888U101 $2.9M 2.61% 122,650 SH
18 ASTRONOVA INC ALOT 04638F108 $2.8M 2.54% 131,100 SH
19 ESPERION THERAPEUTICS INC NE ESPR 29664W105 $2.6M 2.32% 830,935 SH
20 BIO-TECHNE CORP TECH 09073M104 $2.0M 1.80% 37,509 SH
21 XEROX HOLDINGS CORP XRXDW 98421MAE6 $1.4M 1.29% 4,000 PRN
22 PAR TECHNOLOGY CORP PAR 698884AE3 $1.1M 0.96% 1,127 PRN
23 TRUBRIDGE INC TBRG 205306103 $685.8K 0.61% 34,663 SH
24 STELLAR BANCORP INC STEL 858927106 $342.4K 0.30% 11,559 SH
25 ELECTRONIC ARTS INC EA 285512109 $309.2K 0.28% 2,000 SH
26 NSTS BANCORP INC NSTS 6293JP109 $303.8K 0.27% 29,020 SH
27 XEROX HOLDINGS CORP XRXDW 98421M114 $26.4K 0.02% 95,980 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-22 $112.3M 27 0001062993-26-003767
2026-03-31 2026-04-27 $120.7M 29 0001062993-26-002171
2025-12-31 2026-02-02 $146.9M 43 0001062993-26-000528