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 | |
|---|---|---|---|---|---|---|
626
CALL
Best Buy
BBY
$17.5B
| $29.4M | 0.01% |
388,800
+123,000
| +46% | +$8.82M |
|
627
Iris Energy
IREN
$15.5B
| $29.4M | 0.01% |
626,344
+372,096
| +146% | +$9.04M |
|
628
CALL
On Holding
ONON
$10.4B
| $29.4M | 0.01% |
694,000
+71,600
| +12% | +$3.41M |
|
629
CALL
PNC Financial Services
PNC
$101B
| $29.4M | 0.01% |
146,100
+30,700
| +27% | +$6.07M |
|
630
PUT
Honeywell
HON
$72.5B
| $29.3M | 0.01% |
147,903
+54,535
| +58% | +$11.4M |
|
631
PUT
CAVA Group
CAVA
$8.21B
| $29.3M | 0.01% |
485,000
+105,700
| +28% | +$8.01M |
|
632
CALL
State Street Industrial Select Sector SPDR ETF
XLI
$34.8B
| $29.3M | 0.01% |
189,900
-2,500
| -1% | -$379K |
|
633
PUT
Danaher
DHR
$144B
| $29.2M | 0.01% |
147,400
+22,200
| +18% | +$4.42M |
|
634
PUT
SLB Ltd
SLB
$78.4B
| $29.1M | 0.01% |
847,800
+94,600
| +13% | +$3.29M |
|
635
CALL
BILL Holdings
BILL
$4.82B
| $29.1M | 0.01% |
549,700
+271,500
| +98% | +$12.6M |
|
636
GE Vernova
GEV
$278B
| $29M | 0.01% |
47,085
+21,086
| +81% | +$12.8M |
|
637
CALL
ON Semiconductor
ON
$32.8B
| $28.7M | 0.01% |
581,200
+10,300
| +2% | +$542K |
|
638
PUT
Apollo Global Management
APO
$81.9B
| $28.6M | 0.01% |
214,700
+14,200
| +7% | +$2.01M |
|
|
P
639
CALL
Everpure Inc
P
$37.3B
| $28.6M | 0.01% |
341,100
+92,200
| +37% | +$6.13M |
|
640
PUT
Abercrombie & Fitch
ANF
$5.1B
| $28.5M | 0.01% |
332,800
-29,800
| -8% | -$2.78M |
|
641
CALL
Chewy
CHWY
$9.08B
| $28.4M | 0.01% |
702,900
-45,100
| -6% | -$1.74M |
|
642
PUT
Vertex Pharmaceuticals
VRTX
$133B
| $28.4M | 0.01% |
72,500
+59,100
| +441% | +$24.7M |
|
643
CALL
Peabody Energy
BTU
$2.99B
| $28.3M | 0.01% |
1,068,400
+712,400
| +200% | +$12.7M |
|
644
CALL
Snap
SNAP
$9.12B
| $28.3M | 0.01% |
3,674,200
+1,236,300
| +51% | +$10.3M |
|
645
PUT
Cheniere Energy
LNG
$55.1B
| $28.1M | 0.01% |
119,700
+1,900
| +2% | +$447K |
|
646
PUT
Chubb
CB
$134B
| $28.1M | 0.01% |
99,600
+14,700
| +17% | +$4.05M |
|
647
CALL
EQT Corp
EQT
$34.1B
| $28M | 0.01% |
515,000
+161,000
| +45% | +$8.51M |
|
648
CALL
Gilead Sciences
GILD
$168B
| $27.9M | 0.01% |
251,800
-21,400
| -8% | -$2.43M |
|
649
PUT
Las Vegas Sands
LVS
$29.6B
| $27.9M | 0.01% |
517,800
+131,900
| +34% | +$6.94M |
|
650
CALL
Rubrik
RBRK
$19.8B
| $27.8M | 0.01% |
338,100
+151,400
| +81% | +$13M |
|
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.