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Super Investors Chicago Capital Management, LLC
CC

Chicago Capital Management, LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$110M
Positions
26
Quarter ended
September 30, 2026
Filed
October 21, 2026

Reported portfolio value by quarter (47 quarters reported)

$448M $37.9M
Q1 15 Q3 17 Q1 20 Q3 22 Q1 25 Q3 26

$238M in Q1 2015 → $110M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Atkore Inc 8.5% New 130,451 $9.43M
Rapid7 Inc 7.5% Added 31% 8,520 $8.32M
Lithium Argentina Ag 6.4% New 7,126 $7.03M
The Realreal Inc 6.3% Added 42% 7,557 $7.01M
Veritone Inc 6.3% Added 27% 7,000 $6.94M
Enovis Corporation 5.7% New 6,500 $6.34M
MI Mgp Ingredients Inc New 5.4% Added 0.0% 6,070 $5.93M
Par Technology Corp 5.3% Added 444% 6,127 $5.89M
IH Integer Hldgs Corp 5.0% New 57,359 $5.53M
HP Hewlett Packard Enterprise C 4.9% Unchanged 32,900 $5.38M
WI Winnebago Inds Inc 4.8% New 5,950 $5.33M
AP Amphastar Pharmaceuticals In 4.6% Added 1.1% 5,500 $5.13M
Euronet Worldwide Inc 4.1% New 5,124 $4.55M
Marinemax Inc 3.8% New 106,294 $4.24M
Sarepta Therapeutics Inc 3.7% Added 35% 4,265 $4.11M
Shake Shack Inc 3.6% Added 0.1% 4,193 $3.96M
Etsy Inc 3.6% Unchanged 4,292 $3.94M
Rapid7 Inc 3.2% New 4,010 $3.57M
Par Technology Corp 3.0% New 4,000 $3.32M
Xerox Holdings Corp 1.8% Added 25% 5,000 $1.97M
SP Shift4 Pmts Inc 1.1% New 25,100 $1.24M
Southern Co 0.4% New 10,100 $452K
Nsts Bancorp Inc 0.3% Unchanged 29,020 $315K
Acv Auctions Inc 0.2% New 33,216 $264K
Biolife Solutions Inc 0.2% New 7,524 $223K
Xerox Holdings Corp 0.0% Unchanged 95,980 $26.5K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 21, 2026

Company Action Shares changed Value of change % of portfolio
Nuvalent Inc Exited −115,500 −$11.1M —
Apogee Therapeutics Inc Exited −97,100 −$9.81M —
Atkore Inc New +130,451 +$9.43M 8.5%
CI Chart Inds Inc Exited −53,000 −$8.36M —
Bandwidth Inc Exited −8,153 −$7.62M —
Taylor Morrison Home Corp Exited −133,000 −$7.17M —
SG Sabre Glbl Inc Exited −6,904 −$7.12M —
Lithium Argentina Ag New +7,126 +$7.03M 6.4%
Enovis Corporation New +6,500 +$6.34M 5.7%
IH Integer Hldgs Corp New +57,359 +$5.53M 5.0%

Showing the 10 largest of 36 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 22, 2026

Company Action Shares changed Value of change % of portfolio
Nuvalent Inc New +115,500 +$11.1M 9.8%
Apogee Therapeutics Inc New +97,100 +$9.81M 8.7%
Janus Henderson Group PLC Exited −213,000 −$8.22M —
Arcellx Inc Exited −92,951 −$8.04M —
AT Amicus Therapeutic Exited −666,000 −$7.23M —
Taylor Morrison Home Corp New +133,000 +$7.17M 6.4%
Ironwood Pharmaceuticals Inc Exited −7,000 −$6.91M —
CB Cracker Barrel Old Ctry Stor Exited −6,883 −$6.81M —
AD Accuray Inc Del Exited −6,500 −$6.28M —
Apellis Pharmaceuticals Inc Exited −190,000 −$5.76M —

Showing the 10 largest of 35 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 27, 2026

Company Action Shares changed Value of change % of portfolio
Eventbrite Inc Exited −8,660 −$8.52M —
CI Chart Inds Inc New +53,000 +$8.27M 6.9%
Cidara Therapeutics Inc Exited −49,000 −$8.17M —
Arcellx Inc New +92,951 +$8.04M 6.7%
Exact Sciences Corp Exited −86,122 −$6.56M —
SG Sabre Glbl Inc New +5,958 +$6.05M 5.0%
Cable One Inc Exited −6,000 −$5.92M —
Jetblue Airways Corp Exited −5,920 −$5.84M —
OS Oil Sts Intl Inc Exited −5,700 −$5.79M —
Apellis Pharmaceuticals Inc New +190,000 +$5.76M 4.8%

Showing the 10 largest of 48 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 02, 2026

Company Action Shares changed Value of change % of portfolio
Verona Pharma PLC Exited −129,600 −$13.8M —
Cidara Therapeutics Inc New +49,000 +$8.17M 5.6%
CB Cracker Barrel Old Ctry Stor New +6,800 +$6.63M 4.5%
Exact Sciences Corp New +86,122 +$6.56M 4.5%
Janus Henderson Group PLC New +175,000 +$6.26M 4.3%
Tourmaline Bio Inc Exited −112,406 −$5.38M —
C Confluent Inc New +235,300 +$5.34M 3.6%
Astria Therapeutics Inc New +530,000 +$5.24M 3.6%
Hologic Inc New +85,000 +$4.78M 3.3%
DH Digitalocean Hldgs Inc Trimmed −4,500 −$4.32M 1.3%

Showing the 10 largest of 35 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 07, 2025

Company Action Shares changed Value of change % of portfolio
Verona Pharma PLC New +129,600 +$13.8M 12.4%
Springworks Therapeutics Inc Exited −200,230 −$9.41M —
Cardlytics Inc Exited −8,250 −$7.99M —
Blueprint Medicines Corp Exited −60,000 −$7.69M —
ET Esperion Therapeutics Inc Ne Exited −7,500 −$7.42M —
OP Old Pt Financial Corporation Exited −185,296 −$7.27M —
Cable One Inc New +6,000 +$5.86M 5.2%
Tourmaline Bio Inc New +112,406 +$5.38M 4.8%
Bandwidth Inc New +6,000 +$5.07M 4.5%
ML Mesa Labs Inc Exited −4,000 −$3.94M —

Showing the 10 largest of 33 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 07, 2025

Company Action Shares changed Value of change % of portfolio
IT Intra-cellular Therapies Inc Exited −90,200 −$11.9M —
Springworks Therapeutics Inc New +200,230 +$9.41M 6.9%
Blueprint Medicines Corp New +60,000 +$7.69M 5.7%
Paragon 28 Inc Exited −571,300 −$7.46M —
OP Old Pt Financial Corporation New +185,296 +$7.27M 5.3%
AD Accuray Inc Del New +6,500 +$6.26M 4.6%
CC Cross Ctry Healthcare Inc Exited −402,000 −$5.99M —
The Realreal Inc Exited −5,766 −$5.78M —
SG Sabre Glbl Inc Exited −5,500 −$5.59M —
PC Patterson Cos Inc Exited −157,615 −$4.92M —

Showing the 10 largest of 37 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 09, 2025

Company Action Shares changed Value of change % of portfolio
HF Heartland Finl Usa Inc Exited −224,902 −$13.8M —
IT Intra-cellular Therapies Inc New +90,200 +$11.9M 7.4%
Techtarget Inc Exited −8,514 −$8.49M —
ET Esperion Therapeutics Inc Ne New +7,500 +$7.49M 4.7%
Paragon 28 Inc New +571,300 +$7.46M 4.6%
PC Patterson Cos Inc New +157,615 +$4.92M 3.1%
Bandwidth Inc Exited −4,870 −$4.49M —
Infinera Corp New +3,382 +$4.34M 2.7%
The Realreal Inc New +5,307 +$4.17M 2.6%
CI Chart Inds Inc Exited −55,643 −$3.92M —

Showing the 10 largest of 39 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 12, 2025

Company Action Shares changed Value of change % of portfolio
Envestnet Inc Exited −167,428 −$10.5M —
Evans Bancorp Inc New +195,739 +$8.48M 5.2%
RT Revance Therapeutics Inc Exited −9,050 −$7.9M —
CC Cross Ctry Healthcare Inc New +402,000 +$7.3M 4.5%
HI Haynes Intl Inc Exited −101,010 −$6.01M —
Groupon Inc New +4,000 +$3.68M 2.3%
AR Adams Res & Energy Inc New +96,624 +$3.65M 2.3%
RR R1 Rcm Inc Exited −244,195 −$3.46M —
Ringcentral Inc Added +3,000 +$2.98M 2.1%
Okta Inc New +3,000 +$2.89M 1.8%

Showing the 10 largest of 28 changes.

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