Chicago Capital Management, LLC — 13F Holdings & Portfolio
CIK 1580162 · latest 13F-HR filed 2026-04-27
Chicago Capital Management, LLC manages $120.7M in 13F-reported U.S. long-equity assets across 29 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are GTLS (6.85%), JHG (6.81%), ACLX (6.66%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 13 new positions, exited 27, added to 7, and trimmed 1.
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.
$120.7M
Long-equity book
29
Distinct positions
2026-03-31
Filed 2026-04-27
+13 / −27 / ↑7 / ↓1
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- IRONWOOD PHARMACEUTICALS INC$3.1M +82.2%
- AMICUS THERAPEUTIC$2.9M +68.8%
- BANDWIDTH INC$2.0M +38.0%
- JANUS HENDERSON GROUP PLC$2.0M +31.3%
- VERITONE INC$1.5M +158.1%
New Positions
- CHART INDS INC$8.3M
- ARCELLX INC$8.0M
- SABRE GLBL INC$6.0M
- APELLIS PHARMACEUTICALS INC$5.8M
- TERNS PHARMACEUTICALS INC$5.1M
Exited Positions
- EVENTBRITE INC$8.5M
- CIDARA THERAPEUTICS INC$8.2M
- EXACT SCIENCES CORP$6.6M
- CABLE ONE INC$5.9M
- JETBLUE AIRWAYS CORP$5.8M
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 | CHART INDS INC | GTLS | 16115Q308 | $8.3M | 6.85% | 53,000 | SH |
| 2 | JANUS HENDERSON GROUP PLC | JHG | G4474Y214 | $8.2M | 6.81% | 213,000 | SH |
| 3 | ARCELLX INC | ACLX | 03940C100 | $8.0M | 6.66% | 92,951 | SH |
| 4 | BANDWIDTH INC | BAND | 05988JAD5 | $7.3M | 6.04% | 8,140 | PRN |
| 5 | AMICUS THERAPEUTIC | FOLD | 03152W109 | $7.2M | 5.99% | 666,000 | SH |
| 6 | IRONWOOD PHARMACEUTICALS INC | IRWD | 46333XAH1 | $6.9M | 5.72% | 7,000 | PRN |
| 7 | CRACKER BARREL OLD CTRY STOR | CBRL | 22410JAB2 | $6.8M | 5.64% | 6,883 | PRN |
| 8 | ACCURAY INC DEL | — | 004397AK1 | $6.3M | 5.21% | 6,500 | PRN |
| 9 | SABRE GLBL INC | SABR | 78573NAK8 | $6.0M | 5.01% | 5,958 | PRN |
| 10 | MGP INGREDIENTS INC NEW | MGPI | 55303JAB2 | $5.8M | 4.84% | 6,018 | PRN |
| 11 | APELLIS PHARMACEUTICALS INC | APLS | 03753U106 | $5.8M | 4.77% | 190,000 | SH |
| 12 | TERNS PHARMACEUTICALS INC | TERN | 880881107 | $5.1M | 4.26% | 129,225 | SH |
| 13 | THE REALREAL INC | REAL | 88339PAD3 | $4.9M | 4.04% | 5,307 | PRN |
| 14 | RAPID7 INC | RPD | 753422AF1 | $4.3M | 3.55% | 4,518 | PRN |
| 15 | NABORS INDS INC | NBR | 62957HAL9 | $4.2M | 3.45% | 4,550 | PRN |
| 16 | SHAKE SHACK INC | SHAK | 819047AB7 | $3.9M | 3.25% | 4,189 | PRN |
| 17 | ETSY INC | ETSY | 29786AAN6 | $3.8M | 3.18% | 4,292 | PRN |
| 18 | LITHIUM ARGENTINA AG | LAR | 53680QAA6 | $3.7M | 3.07% | 3,820 | PRN |
| 19 | ASSERTIO HOLDINGS INC | ASRT | 04546CAB2 | $2.6M | 2.19% | 2,750 | PRN |
| 20 | VERITONE INC | VERI | 92347MAB6 | $2.4M | 2.01% | 2,500 | PRN |
| 21 | HEWLETT PACKARD ENTERPRISE C | HPEPC | 42824C208 | $2.1M | 1.77% | 32,900 | SH |
| 22 | DIAMOND HILL INVT GROUP INC | DHIL | 25264R207 | $1.5M | 1.21% | 11,300 | SH |
| 23 | BLUE FOUNDRY BANCORP | BLFY | 09549B104 | $1.5M | 1.20% | 146,012 | SH |
| 24 | XEROX HOLDINGS CORP | XRXDW | 98421MAE6 | $1.2M | 0.97% | 4,000 | PRN |
| 25 | THERMON GROUP HLDGS INC | THR | 88362T103 | $1.1M | 0.95% | 30,069 | SH |
| 26 | PAR TECHNOLOGY CORP | PAR | 698884AE3 | $1.1M | 0.87% | 1,127 | PRN |
| 27 | ELECTRONIC ARTS INC | EA | 285512109 | $307.4K | 0.25% | 2,000 | SH |
| 28 | DAY ONE BIOPHARMACEUTICALS I | DAWN | 23954D109 | $161.7K | 0.13% | 10,000 | SH |
| 29 | HERITAGE COMM CORP | HFWA | 426927109 | $131.9K | 0.11% | 14,014 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-27 | $120.7M | 29 | 0001062993-26-002171 |
| 2025-12-31 | 2026-02-02 | $146.9M | 43 | 0001062993-26-000528 |