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 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
476
PUT
State Street Industrial Select Sector SPDR ETF
XLI
$34.7B
| $37.1M | 0.02% |
251,800
-30,300
| -11% | -$4.13M |
|
477
PUT
TransDigm Group
TDG
$68.7B
| $37M | 0.02% |
+24,300
| New | +$34.1M |
|
478
CALL
Iris Energy
IREN
$14.2B
| $36.9M | 0.02% |
2,529,800
+1,126,700
| +80% | +$9.15M |
|
479
PUT
Progressive
PGR
$123B
| $36.7M | 0.02% |
137,400
+57,200
| +71% | +$15.7M |
|
480
PUT
Fortinet
FTNT
$119B
| $36.6M | 0.02% |
345,800
-26,000
| -7% | -$2.62M |
|
481
CALL
Illumina
ILMN
$29.1B
| $36.4M | 0.02% |
381,300
+260,800
| +216% | +$21.2M |
|
482
PUT
Rocket Lab Corp
RKLB
$51.2B
| $36.2M | 0.02% |
1,011,500
+166,800
| +20% | +$4.08M |
|
483
CALL
Marriott International
MAR
$91.1B
| $35.9M | 0.02% |
131,500
+4,900
| +4% | +$1.23M |
|
484
CALL
Nucor
NUE
$61.9B
| $35.9M | 0.02% |
277,000
-55,900
| -17% | -$6.53M |
|
485
PUT
Freeport-McMoran
FCX
$96.4B
| $35.8M | 0.02% |
824,900
+44,700
| +6% | +$1.7M |
|
486
PUT
BP
BP
$111B
| $35.7M | 0.02% |
1,193,200
+456,700
| +62% | +$13.4M |
|
487
PUT
Constellation Brands
STZ
$22.9B
| $35.6M | 0.02% |
218,900
+70,800
| +48% | +$12.7M |
|
488
Intel
INTC
$493B
| $35.2M | 0.02% |
1,571,872
+403,125
| +34% | +$8.35M |
|
489
PUT
Zoom
ZM
$31.1B
| $35M | 0.02% |
448,800
+156,600
| +54% | +$12.1M |
|
490
CALL
SLB Ltd
SLB
$79.7B
| $35M | 0.02% |
1,034,400
+322,300
| +45% | +$11.2M |
|
491
CALL
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$145M
| $34.8M | 0.02% |
725,100
+25,800
| +4% | +$1.52M |
|
|
FISV
492
CALL
Fiserv Inc
FISV
$28B
| $34.8M | 0.02% |
201,800
+115,300
| +133% | +$20.9M |
|
493
CALL
eBay
EBAY
$47.2B
| $34.7M | 0.02% |
466,100
+92,400
| +25% | +$6.55M |
|
494
PUT
Wayfair
W
$14.1B
| $34.7M | 0.02% |
678,200
-20,400
| -3% | -$761K |
|
495
CALL
AeroVironment
AVAV
$9.92B
| $34.7M | 0.02% |
121,700
+75,000
| +161% | +$12.7M |
|
496
PUT
Valero Energy
VLO
$93.3B
| $34.6M | 0.02% |
257,600
+73,100
| +40% | +$9.11M |
|
497
CALL
Seagate
STX
$186B
| $34.6M | 0.02% |
239,700
+113,600
| +90% | +$11.8M |
|
498
PUT
Burlington
BURL
$22.6B
| $34.6M | 0.02% |
148,700
+24,800
| +20% | +$5.89M |
|
499
PUT
Astera Labs
ALAB
$54.1B
| $34.4M | 0.02% |
379,900
+32,100
| +9% | +$2.54M |
|
500
PUT
Cameco
CCJ
$43B
| $34.3M | 0.02% |
462,400
-200,300
| -30% | -$10.7M |
|
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 deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- 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.