Chicago Capital Portfolio holdings
Chicago Capital, known as Chi-Cap, is a wealth management firm that focuses on helping families pursue financial goals that span generations. David Mabie and Eric Maddix started it in 2018 after years as portfolio managers and researchers at William Blair and Stein Roe, and they are two of its managing partners. Client portfolios are built for the long term from stocks, bonds, publicly traded partnerships, mutual funds and ETFs. Chi-Cap also runs the Armitage Focused Equity Strategy, whose holdings it shares as research with institutional investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
SpaceX
SPCX
|
+$100M |
| 2 |
ExxonMobil
XOM
|
+$48M |
| 3 |
Seagate
STX
|
+$16.9M |
| 4 |
GE Vernova
GEV
|
+$14.7M |
| 5 |
Palantir
PLTR
|
+$8.96M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Insulet
PODD
|
+$35.4M |
| 2 |
Procept Biorobotics
PRCT
|
+$31.5M |
| 3 |
Fair Isaac
FICO
|
+$17M |
| 4 |
CoStar Group
CSGP
|
+$14.8M |
| 5 |
Intuit
INTU
|
+$11.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 31.95% |
| 2 | Healthcare | 16.22% |
| 3 | Industrials | 13.28% |
| 4 | Financials | 11.56% |
| 5 | Communication Services | 11.4% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
51
Broadcom
AVGO
$1.67T
| $14.1M | 0.33% |
40,279
+3,689
| +10% | +$1.39M |
2023 Q4
11 quarters
|
|
52
Fastenal
FAST
$63.5B
| $13.6M | 0.31% |
274,273
-2,069
| -0.7% | -$101K |
2018 Q1
34 quarters
|
|
53
Oracle
ORCL
$401B
| $12.7M | 0.29% |
92,154
+21
| +0% | +$2.96K |
2018 Q1
34 quarters
|
|
54
Zebra Technologies
ZBRA
$15.7B
| $12.1M | 0.28% |
32,492
-59
| -0.2% | -$19.4K |
2018 Q1
34 quarters
|
|
55
Celestica
CLS
$30.8B
| $11.6M | 0.27% |
31,995
+729
| +2% | +$241K |
2025 Q4
3 quarters
|
|
56
Micron Technology
MU
$926B
| $11.5M | 0.27% |
10,820
-558
| -5% | -$530K |
2025 Q2
5 quarters
|
|
57
Morningstar
MORN
$9.13B
| $11.5M | 0.27% |
60,436
-536
| -0.9% | -$104K |
2018 Q1
34 quarters
|
|
58
Natera
NTRA
$46.3B
| $11.5M | 0.27% |
27,723
+1,869
| +7% | +$587K |
2025 Q3
4 quarters
|
|
59
AbbVie
ABBV
$518B
| $10.9M | 0.25% |
41,613
+1,526
| +4% | +$391K |
2018 Q1
34 quarters
|
|
60
Teradyne
TER
$41.8B
| $10.2M | 0.24% |
25,476
+4,539
| +22% | +$1.67M |
2026 Q1
2 quarters
|
|
61
Intel
INTC
$333B
| $10.2M | 0.24% |
84,700
+7,904
| +10% | +$806K |
2018 Q1
34 quarters
|
|
62
Vertex Pharmaceuticals
VRTX
$138B
| $9.16M | 0.21% |
17,519
+490
| +3% | +$251K |
2023 Q4
11 quarters
|
|
|
63
Procept Biorobotics
PRCT
$1.32B
| $9.02M | 0.21% |
495,126
-1,578,111
| -76% | -$31.5M |
2024 Q2
9 quarters
|
|
64
Axon Enterprise
AXON
$25.5B
| $8.88M | 0.21% |
21,005
+3,348
| +19% | +$1.81M |
2023 Q4
11 quarters
|
|
65
Vicor
VICR
$7.82B
| $8.7M | 0.2% |
30,101
-3,711
| -11% | -$840K |
2025 Q4
3 quarters
|
|
66
Vanguard Morningstar Total Stock Market ETF
VTI
$695B
| $8.67M | 0.2% |
23,172
+23
| +0.1% | +$8.62K |
2024 Q1
10 quarters
|
|
67
Spotify
SPOT
$123B
| $8.35M | 0.19% |
17,125
-8
| -0% | -$4.07K |
2024 Q3
8 quarters
|
|
68
Intuitive Surgical
ISRG
$155B
| $8.2M | 0.19% |
20,161
-5,794
| -22% | -$2.21M |
2023 Q4
11 quarters
|
|
69
Arm
ARM
$219B
| $8.19M | 0.19% |
28,260
-419
| -1% | -$114K |
2024 Q1
10 quarters
|
|
70
Caterpillar
CAT
$277B
| $8.05M | 0.19% |
9,932
-71
| -0.7% | -$60.2K |
2018 Q1
34 quarters
|
|
71
Illinois Tool Works
ITW
$81.8B
| $7.84M | 0.18% |
30,461
+7,129
| +31% | +$1.98M |
2018 Q1
34 quarters
|
|
72
Cameco
CCJ
$32.5B
| $7.83M | 0.18% |
90,375
+317
| +0.4% | +$29.9K |
2024 Q4
7 quarters
|
|
73
RTX Corp
RTX
$270B
| $7.83M | 0.18% |
42,169
+1,098
| +3% | +$225K |
2018 Q1
34 quarters
|
|
74
Merck
MRK
$360B
| $7.81M | 0.18% |
53,716
+26,605
| +98% | +$3.68M |
2018 Q1
34 quarters
|
|
75
Iron Mountain
IRM
$33.5B
| $7.68M | 0.18% |
69,246
-635
| -0.9% | -$76.1K |
2018 Q1
34 quarters
|
|
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Chicago Capital's Q3 2026 Portfolio in Review
As of Q3 2026, Chicago Capital held 390 positions worth $4.32B, up 4% from $4.15B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
Chicago Capital's Q3 2026 filing shows 29 new, 126 increased, 116 reduced and 18 closed positions. Its largest new stake was ExxonMobil: 306,714 shares worth $49.9M. The largest sale was Insulet, an estimated $35.4M.
By sector, the portfolio is most concentrated in Technology at 32% of assets, up from 32% a quarter earlier, followed by Healthcare and Industrials.
- Chicago Capital's largest Q3 2026 buy was ExxonMobil: 306,714 shares worth $49.9M.
- Chicago Capital added most to SpaceX in Q3 2026, an estimated $100M increase.
- Chicago Capital's biggest Q3 2026 reduction was Insulet, cutting an estimated $35.4M.
- Chicago Capital fully exited Arthur J. Gallagher & Co in Q3 2026, selling an estimated $2.31M.
- Chicago Capital's ten largest holdings make up 38% of its $4.32B portfolio in Q3 2026.
- Chicago Capital opened 29 new positions and closed 18 in Q3 2026.
- Chicago Capital's portfolio value rose 4% quarter-over-quarter to $4.32B.
Based on Chicago Capital's 13F filing for Q3 2026, filed 13 Oct 2026.