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 | |
|---|---|---|---|---|---|---|
2526
PUT
Pagaya Technologies
PGY
$1.79B
| $949K | ﹤0.01% |
44,500
-2,300
| -5% | -$32.7K |
|
2527
PUT
Procept Biorobotics
PRCT
$1.26B
| $945K | ﹤0.01% |
+16,400
| New | +$927K |
|
2528
PUT
GlobalFoundries
GFS
$28.9B
| $944K | ﹤0.01% |
24,700
-11,900
| -33% | -$431K |
|
|
CTRA
2529
PUT
DELISTED
Coterra Energy
CTRA
| $942K | ﹤0.01% |
37,100
+18,300
| +97% | +$464K |
|
2530
CALL
Schrodinger
SDGR
$1.38B
| $938K | ﹤0.01% |
46,600
-12,200
| -21% | -$279K |
|
2531
Sphere Entertainment
SPHR
$6.33B
| $935K | ﹤0.01% |
22,369
-14,061
| -39% | -$476K |
|
2532
Henry Schein
HSIC
$10B
| $935K | ﹤0.01% |
+12,799
| New | +$881K |
|
2533
Macerich
MAC
$6.99B
| $934K | ﹤0.01% |
+57,735
| New | +$890K |
|
2534
CALL
indie Semiconductor
INDI
$875M
| $932K | ﹤0.01% |
261,900
+156,400
| +148% | +$394K |
|
2535
CALL
US Foods
USFD
$23.8B
| $932K | ﹤0.01% |
12,100
-9,800
| -45% | -$699K |
|
|
CLBR
2536
CALL
DELISTED
Colombier Acquisition Corp II
CLBR
| $929K | ﹤0.01% |
+60,100
| New | +$787K |
|
2537
PUT
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$237M
| $926K | ﹤0.01% |
40,700
-9,200
| -18% | -$150K |
|
2538
CALL
Kodak
KODK
$978M
| $924K | ﹤0.01% |
163,500
+44,600
| +38% | +$268K |
|
2539
PUT
Keurig Dr Pepper
KDP
$42.3B
| $922K | ﹤0.01% |
27,900
-37,900
| -58% | -$1.28M |
|
2540
ARK 21Shares Bitcoin ETF
ARKB
$2.41B
| $919K | ﹤0.01% |
25,677
-15,183
| -37% | -$498K |
|
2541
PUT
Newell Brands
NWL
$2.63B
| $916K | ﹤0.01% |
169,600
+13,100
| +8% | +$69.4K |
|
2542
CALL
Invesco DB US Dollar Index Bearish Fund
UDN
$109M
| $913K | ﹤0.01% |
+48,300
| New | +$886K |
|
2543
Mercury Insurance
MCY
$5.81B
| $905K | ﹤0.01% |
+13,435
| New | +$799K |
|
|
FNGU
2544
MicroSectors FANG+ 3x Leveraged ETNs due Feb 17 2045
FNGU
$2.72B
| $901K | ﹤0.01% |
+36,209
| New | +$626K |
|
2545
PUT
Domo
DOMO
$187M
| $901K | ﹤0.01% |
+64,500
| New | +$649K |
|
2546
CALL
Alliance Resource Partners
ARLP
$3.2B
| $899K | ﹤0.01% |
34,400
+19,200
| +126% | +$504K |
|
2547
CALL
Appian
APPN
$2.65B
| $899K | ﹤0.01% |
30,100
+800
| +3% | +$24K |
|
2548
PUT
Arqit Quantum
ARQQ
$413M
| $896K | ﹤0.01% |
24,200
+7,500
| +45% | +$161K |
|
2549
TMC The Metals Company
TMC
$1.91B
| $895K | ﹤0.01% |
+135,679
| New | +$520K |
|
|
2550
Newell Brands
NWL
$2.63B
| $894K | ﹤0.01% |
165,645
+52,924
| +47% | +$281K |
|
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.