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 |
iShares Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 98.86% |
| 2 | Technology | 0.32% |
| 3 | Consumer Discretionary | 0.25% |
| 4 | Healthcare | 0.13% |
| 5 | Communication Services | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
476
PUT
State Street Industrial Select Sector SPDR ETF
XLI
$30.6B
| $37.1M | 0.02% |
251,800
-30,300
| -11% | -$4.13M |
2022 Q3
11 quarters
|
|
477
PUT
TransDigm Group
TDG
$62.7B
| $37M | 0.02% |
+24,300
| New | +$34.1M |
2025 Q2
0 quarters
|
|
478
CALL
Iris Energy
IREN
$12B
| $36.9M | 0.02% |
2,529,800
+1,126,700
| +80% | +$9.15M |
2024 Q1
5 quarters
|
|
479
PUT
Progressive
PGR
$124B
| $36.7M | 0.02% |
137,400
+57,200
| +71% | +$15.7M |
2023 Q4
6 quarters
|
|
480
PUT
Fortinet
FTNT
$133B
| $36.6M | 0.02% |
345,800
-26,000
| -7% | -$2.62M |
2023 Q2
8 quarters
|
|
481
CALL
Illumina
ILMN
$40.5B
| $36.4M | 0.02% |
381,300
+260,800
| +216% | +$21.2M |
2019 Q3
23 quarters
|
|
482
PUT
Rocket Lab Corp
RKLB
$35.3B
| $36.2M | 0.02% |
1,011,500
+166,800
| +20% | +$4.08M |
2023 Q3
7 quarters
|
|
483
CALL
Marriott International
MAR
$101B
| $35.9M | 0.02% |
131,500
+4,900
| +4% | +$1.23M |
2020 Q1
21 quarters
|
|
484
CALL
Nucor
NUE
$57.8B
| $35.9M | 0.02% |
277,000
-55,900
| -17% | -$6.53M |
2021 Q2
16 quarters
|
|
485
PUT
Freeport-McMoran
FCX
$101B
| $35.8M | 0.02% |
824,900
+44,700
| +6% | +$1.7M |
2018 Q4
26 quarters
|
|
486
PUT
BP
BP
$125B
| $35.7M | 0.02% |
1,193,200
+456,700
| +62% | +$13.4M |
2018 Q4
26 quarters
|
|
487
PUT
Constellation Brands
STZ
$21.9B
| $35.6M | 0.02% |
218,900
+70,800
| +48% | +$12.7M |
2021 Q2
16 quarters
|
|
488
Intel
INTC
$504B
| $35.2M | 0.02% |
1,571,872
+403,125
| +34% | +$8.35M |
2024 Q4
2 quarters
|
|
489
PUT
Zoom
ZM
$28.7B
| $35M | 0.02% |
448,800
+156,600
| +54% | +$12.1M |
2019 Q2
24 quarters
|
|
490
CALL
SLB Ltd
SLB
$71.8B
| $35M | 0.02% |
1,034,400
+322,300
| +45% | +$11.2M |
2018 Q4
26 quarters
|
|
491
CALL
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$123M
| $34.8M | 0.02% |
725,100
+25,800
| +4% | +$1.52M |
2022 Q2
12 quarters
|
|
492
CALL
Fiserv Inc
FISV
$25.1B
| $34.8M | 0.02% |
201,800
+115,300
| +133% | +$20.9M |
2020 Q3
19 quarters
|
|
493
CALL
eBay
EBAY
$54.7B
| $34.7M | 0.02% |
466,100
+92,400
| +25% | +$6.55M |
2018 Q4
26 quarters
|
|
494
PUT
Wayfair
W
$15.3B
| $34.7M | 0.02% |
678,200
-20,400
| -3% | -$761K |
2020 Q1
21 quarters
|
|
495
CALL
AeroVironment
AVAV
$6.26B
| $34.7M | 0.02% |
121,700
+75,000
| +161% | +$12.7M |
2023 Q4
6 quarters
|
|
496
PUT
Valero Energy
VLO
$128B
| $34.6M | 0.02% |
257,600
+73,100
| +40% | +$9.11M |
2018 Q4
26 quarters
|
|
497
CALL
Seagate
STX
$157B
| $34.6M | 0.02% |
239,700
+113,600
| +90% | +$11.8M |
2022 Q3
11 quarters
|
|
498
PUT
Burlington
BURL
$16.8B
| $34.6M | 0.02% |
148,700
+24,800
| +20% | +$5.89M |
2022 Q4
10 quarters
|
|
499
PUT
Astera Labs
ALAB
$52.4B
| $34.4M | 0.02% |
379,900
+32,100
| +9% | +$2.54M |
2024 Q1
5 quarters
|
|
500
PUT
Cameco
CCJ
$36.2B
| $34.3M | 0.02% |
462,400
-200,300
| -30% | -$10.7M |
2021 Q3
15 quarters
|
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago's Q2 2025 filing shows 615 new, 1,602 increased, 1,040 reduced and 423 closed positions. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M. The largest sale was Invesco QQQ Trust, an estimated $153M.
By sector, the portfolio is most concentrated in Miscellaneous at 99% of assets, down from 99% a quarter earlier, followed by Technology and Consumer Discretionary.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.