IMC Chicago Portfolio holdings
IMC-Chicago, a key arm of IMC Trading founded in 1989 by Rob Defares and René Schelvis in Amsterdam, is a proprietary trading firm and market maker headquartered in Chicago since opening its first overseas office there in 2000. Employing over 650 of IMC’s 1,600+ global workforce, it operates at the heart of North America’s financial hub, trading equities, options, futures, and other derivatives on major exchanges like the Chicago Mercantile Exchange (CME) and Chicago Board Options Exchange (CBOE). Known for its technology-driven approach, IMC-Chicago leverages advanced algorithms and low-latency systems to provide liquidity across more than 100 global venues, evolving from a trading outfit with strong tech to a tech company that trades. Under CEO Rob Defares, the firm emphasizes innovation, quantitative strategies, and a collaborative culture, making it a powerhouse in the U.S. derivatives market.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1526
PUT
Sempra
SRE
$56.7B
| $5.33M | ﹤0.01% |
59,200
+24,800
| +72% | +$2.01M |
|
1527
CALL
GoDaddy
GDDY
$12.4B
| $5.32M | ﹤0.01% |
38,900
-26,200
| -40% | -$4.03M |
|
1528
CALL
Shift4
FOUR
$3.65B
| $5.32M | ﹤0.01% |
68,700
+27,500
| +67% | +$2.56M |
|
1529
CALL
Viasat
VSAT
$11.5B
| $5.28M | ﹤0.01% |
180,300
+28,700
| +19% | +$686K |
|
1530
PUT
ARK Genomic Revolution ETF
ARKG
$1.74B
| $5.28M | ﹤0.01% |
190,100
-40,800
| -18% | -$1.03M |
|
1531
PUT
KB Home
KBH
$3.45B
| $5.28M | ﹤0.01% |
82,900
-6,100
| -7% | -$369K |
|
|
EH
1532
CALL
EHang Holdings
EH
$447M
| $5.26M | ﹤0.01% |
283,200
+112,000
| +65% | +$1.96M |
|
1533
Coherent
COHR
$62.9B
| $5.26M | ﹤0.01% |
+48,811
| New | +$4.87M |
|
1534
Aon
AON
$75.5B
| $5.25M | ﹤0.01% |
14,736
+4,533
| +44% | +$1.64M |
|
1535
PUT
Starwood Property Trust
STWD
$6.09B
| $5.23M | ﹤0.01% |
270,200
+40,200
| +17% | +$809K |
|
1536
Caesars Entertainment
CZR
$6.06B
| $5.23M | ﹤0.01% |
+193,488
| New | +$5.24M |
|
1537
ProShares Ultra Semiconductors
USD
$2.97B
| $5.22M | ﹤0.01% |
105,414
+24,418
| +30% | +$1.06M |
|
1538
CALL
Dynatrace
DT
$14.8B
| $5.22M | ﹤0.01% |
107,700
-200
| -0.2% | -$10.1K |
|
|
EH
1539
PUT
EHang Holdings
EH
$447M
| $5.21M | ﹤0.01% |
280,800
+77,200
| +38% | +$1.35M |
|
1540
CALL
Fabrinet
FN
$20.1B
| $5.21M | ﹤0.01% |
+14,300
| New | +$4.71M |
|
1541
CALL
PVH
PVH
$3.78B
| $5.19M | ﹤0.01% |
62,000
-239,700
| -79% | -$18.8M |
|
1542
CALL
Canadian Pacific Kansas City
CP
$82.9B
| $5.17M | ﹤0.01% |
69,400
+4,100
| +6% | +$313K |
|
1543
CALL
HEICO Corp
HEI
$52B
| $5.17M | ﹤0.01% |
16,000
+1,800
| +13% | +$573K |
|
1544
PUT
Powell Industries
POWL
$7.5B
| $5.12M | ﹤0.01% |
50,400
+3,600
| +8% | +$305K |
|
1545
CALL
Vanguard High Dividend Yield ETF
VYM
$84.1B
| $5.12M | ﹤0.01% |
36,300
-4,000
| -10% | -$550K |
|
1546
PUT
Nasdaq
NDAQ
$54.3B
| $5.1M | ﹤0.01% |
57,700
+19,400
| +51% | +$1.8M |
|
1547
PUT
STMicroelectronics
STM
$48.6B
| $5.09M | ﹤0.01% |
180,200
+36,600
| +25% | +$1.02M |
|
1548
Root
ROOT
$776M
| $5.09M | ﹤0.01% |
56,871
+30,726
| +118% | +$3.22M |
|
1549
CALL
Valaris
VAL
$6B
| $5.09M | ﹤0.01% |
104,300
-17,300
| -14% | -$844K |
|
1550
IonQ
IONQ
$18.4B
| $5.09M | ﹤0.01% |
+82,686
| New | +$3.89M |
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.