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 | |
|---|---|---|---|---|---|---|---|
176
Boston Scientific
BSX
$64.3B
| $1.31M | 0.03% |
30,048
+14,171
| +89% | +$656K |
2023 Q4
11 quarters
|
|
177
Alkami Technology
ALKT
$1.5B
| $1.3M | 0.03% |
95,081
+25,836
| +37% | +$478K |
2025 Q3
4 quarters
|
|
178
Aon
AON
$71.8B
| $1.29M | 0.03% |
4,660
+985
| +27% | +$333K |
2020 Q2
25 quarters
|
|
179
SPDR Gold Trust
GLD
$130B
| $1.21M | 0.03% |
3,185
+1,600
| +101% | +$626K |
2021 Q4
19 quarters
|
|
180
Crown Castle
CCI
$38.6B
| $1.18M | 0.03% |
17,770
+25
| +0.1% | +$1.88K |
2025 Q1
6 quarters
|
|
181
Verizon
VZ
$192B
| $1.18M | 0.03% |
25,780
-21
| -0.1% | -$988 |
2018 Q1
34 quarters
|
|
182
Howmet Aerospace
HWM
$87.8B
| $1.18M | 0.03% |
5,212
+1,490
| +40% | +$392K |
2025 Q2
5 quarters
|
|
183
Paylocity
PCTY
$9.26B
| $1.18M | 0.03% |
8,244
+722
| +10% | +$101K |
2020 Q2
25 quarters
|
|
184
iShares Russell 2000 ETF
IWM
$77.1B
| $1.16M | 0.03% |
4,164
| – | – |
2018 Q1
34 quarters
|
|
185
BP
BP
$118B
| $1.16M | 0.03% |
26,276
| – | – |
2018 Q1
34 quarters
|
|
186
Marathon Petroleum
MPC
$113B
| $1.14M | 0.03% |
2,884
| – | – |
2022 Q1
18 quarters
|
|
187
Invesco S&P 500 Equal Weight ETF
RSP
$103B
| $1.14M | 0.03% |
5,459
-476
| -8% | -$103K |
2026 Q1
2 quarters
|
|
188
Oneok
OKE
$56.6B
| $1.13M | 0.03% |
13,272
+1
| +0% | +$92 |
2023 Q3
12 quarters
|
|
189
PayPal
PYPL
$49.2B
| $1.13M | 0.03% |
21,486
| – | – |
2018 Q1
34 quarters
|
|
190
Airbnb
ABNB
$110B
| $1.12M | 0.03% |
7,001
-2,934
| -30% | -$481K |
2023 Q1
14 quarters
|
|
191
Unity
U
$23.4B
| $1.12M | 0.03% |
27,385
-3,630
| -12% | -$140K |
2025 Q4
3 quarters
|
|
192
iShares ESG Aware MSCI USA ETF
ESGU
$17.8B
| $1.12M | 0.03% |
6,700
| – | – |
2021 Q1
22 quarters
|
|
193
Parker-Hannifin
PH
$121B
| $1.11M | 0.03% |
1,167
| – | – |
2024 Q1
10 quarters
|
|
194
Marvell Technology
MRVL
$141B
| $1.11M | 0.03% |
4,202
+748
| +22% | +$168K |
2026 Q2
1 quarter
|
|
195
State Street
STT
$47.2B
| $1.09M | 0.03% |
6,265
+20
| +0.3% | +$3.7K |
2019 Q2
29 quarters
|
|
196
Texas Instruments
TXN
$277B
| $1.08M | 0.02% |
3,847
| – | – |
2019 Q2
29 quarters
|
|
197
Packaging Corp of America
PKG
$22.4B
| $1.07M | 0.02% |
4,646
| – | – |
2018 Q1
34 quarters
|
|
198
SentinelOne
S
$7.73B
| $1.06M | 0.02% |
44,784
-8,488
| -16% | -$175K |
2025 Q3
4 quarters
|
|
199
Vanguard Russell 1000 Value ETF
VONV
$23.4B
| $1.06M | 0.02% |
9,709
| – | – |
2024 Q2
9 quarters
|
|
200
Nike
NKE
$56.4B
| $1.03M | 0.02% |
29,084
-3,490
| -11% | -$140K |
2018 Q2
33 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.