Chicago Capital Management, LLC: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1580162) · Explore on the interactive board
Chicago Capital Management, LLC disclosed 27 US equity positions worth $112.3m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed July 22, 2026). Its largest position is NUVALENT INC at 9.8% of the reported book, followed by APGE, CHART INDS INC. The top ten holdings are 65.7% of the book, and the portfolio behaves like about 18 equal-weight positions. Versus the prior filing it opened 14 new positions, added to 4, reduced 0 and exited 16. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Chicago Capital Management, LLC own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 14 new, 4 added, 0 reduced, 16 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | NUVALENT INC | 9.8% | $11.1m | 115,500 | – | new | |
| 2 | APGE APOGEE THERAPEUTICS INC | Healthcare | 8.7% | $9.8m | 97,100 | – | new |
| 3 | CHART INDS INC | 7.4% | $8.4m | 53,000 | 0% | held | |
| 4 | BANDWIDTH INC | 6.8% | $7.6m | 8,153 | 0% | held | |
| 5 | TMHC* TAYLOR MORRISON HOME CORP | 6.4% | $7.2m | 133,000 | – | new | |
| 6 | SABRE GLBL INC | 6.3% | $7.1m | 6,904 | 16% | added | |
| 7 | RAPID7 INC | 5.6% | $6.3m | 6,520 | 44% | added | |
| 8 | MGP INGREDIENTS INC NEW | 5.3% | $5.9m | 6,068 | 1% | added | |
| 9 | VERITONE INC | 4.8% | $5.4m | 5,500 | 120% | added | |
| 10 | AMPHASTAR PHARMACEUTICALS IN | 4.4% | $5.0m | 5,440 | – | new | |
| 11 | THE REALREAL INC | 4.3% | $4.8m | 5,307 | 0% | held | |
| 12 | FIVE9 INC | 4.0% | $4.5m | 5,000 | – | new | |
| 13 | SHAK SHAKE SHACK INC | 3.5% | $4.0m | 4,189 | 0% | held | |
| 14 | ETSY ETSY INC | Consumer Cyclical | 3.5% | $3.9m | 4,292 | 0% | held |
| 15 | HEWLETT PACKARD ENTERPRISE C | 3.4% | $3.8m | 32,900 | 0% | held | |
| 16 | SRPT SAREPTA THERAPEUTICS INC | 2.7% | $3.0m | 3,170 | – | new | |
| 17 | CATALYST PHARMACEUTICALS INC | 2.6% | $2.9m | 122,650 | – | new | |
| 18 | ALOT ASTRONOVA INC | 2.5% | $2.8m | 131,100 | – | new | |
| 19 | ESPERION THERAPEUTICS INC NE | 2.3% | $2.6m | 830,935 | – | new | |
| 20 | TECH BIO-TECHNE CORP | Healthcare | 1.8% | $2.0m | 37,509 | – | new |
| 21 | XEROX HOLDINGS CORP | 1.3% | $1.4m | 4,000 | 0% | held | |
| 22 | PAR TECHNOLOGY CORP | 1.0% | $1.1m | 1,127 | 0% | held | |
| 23 | TRUBRIDGE INC | 0.6% | $685.8k | 34,663 | – | new | |
| 24 | STELLAR BANCORP INC | 0.3% | $342.4k | 11,559 | – | new | |
| 25 | EA ELECTRONIC ARTS INC | Communication Services | 0.3% | $309.2k | 2,000 | 0% | held |
| 26 | NSTS NSTS BANCORP INC | 0.3% | $303.8k | 29,020 | – | new | |
| 27 | XEROX HOLDINGS CORP | 0.0% | $26.4k | 95,980 | – | new |
What did Chicago Capital Management, LLC sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| JANUS HENDERSON GROUP PLC | 11.9% | $8.2m |
| ACLXGBX ARCELLX INC | 11.6% | $8.0m |
| AM6 AMICUS THERAPEUTIC | 10.4% | $7.2m |
| IRONWOOD PHARMACEUTICALS INC | 10.0% | $6.9m |
| CRACKER BARREL OLD CTRY STOR | 9.8% | $6.8m |
| ACCURAY INC DEL | 9.1% | $6.3m |
| APLSUSD APELLIS PHARMACEUTICALS INC | 8.3% | $5.8m |
| 430 TERNS PHARMACEUTICALS INC | 7.4% | $5.1m |
| NABORS INDS INC | 6.0% | $4.2m |
| LITHIUM ARGENTINA AG | 5.3% | $3.7m |
| ASSERTIO HOLDINGS INC | 3.8% | $2.6m |
| BVE DIAMOND HILL INVT GROUP INC | 2.1% | $1.5m |
| BLFY BLUE FOUNDRY BANCORP | 2.1% | $1.5m |
| 8TG THERMON GROUP HLDGS INC | 1.7% | $1.1m |
| DAWNGBX DAY ONE BIOPHARMACEUTICALS I | 0.2% | $161.7k |
| XHC HERITAGE COMM CORP | 0.2% | $131.9k |
Sector mix
| Sector | Weight |
|---|---|
| Healthcare | 10.5% |
| Consumer Cyclical | 3.5% |
| Communication Services | 0.3% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Chicago Capital Management, LLC's portfolio?
Across every quarter Chicago Capital Management, LLC has filed, its median largest position is 8.3% of the book and its median top-ten weight is 62.2%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 16.0 completed holding spells, the median lasted 1.0 quarters; 27.0 positions are still open and their final length is unknown.