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 | |
|---|---|---|---|---|---|---|
1451
CALL
Lantheus
LNTH
$6.57B
| $4.53M | ﹤0.01% |
55,300
-11,300
| -17% | -$992K |
|
1452
CALL
Doximity
DOCS
$4.74B
| $4.52M | ﹤0.01% |
73,700
-28,600
| -28% | -$1.6M |
|
|
HES
1453
PUT
DELISTED
Hess
HES
| $4.52M | ﹤0.01% |
32,600
-4,000
| -11% | -$540K |
|
1454
CALL
Novartis
NVS
$288B
| $4.51M | ﹤0.01% |
37,300
-8,500
| -19% | -$958K |
|
1455
Okta
OKTA
$26.9B
| $4.51M | ﹤0.01% |
+45,146
| New | +$4.82M |
|
1456
PUT
Bunge Global
BG
$21.5B
| $4.5M | ﹤0.01% |
56,000
-35,300
| -39% | -$2.78M |
|
1457
CALL
Dover
DOV
$28B
| $4.49M | ﹤0.01% |
24,500
-11,200
| -31% | -$1.95M |
|
1458
CALL
Nasdaq
NDAQ
$54.6B
| $4.48M | ﹤0.01% |
50,100
-27,800
| -36% | -$2.22M |
|
1459
PUT
iShares Core MSCI Emerging Markets ETF
IEMG
$159B
| $4.48M | ﹤0.01% |
66,900
-79,600
| -54% | -$4.44M |
|
|
FLG
1460
CALL
Flagstar Bank National Association
FLG
$5.9B
| $4.47M | ﹤0.01% |
421,500
-42,700
| -9% | -$488K |
|
1461
Zeta Global
ZETA
$7.44B
| $4.45M | ﹤0.01% |
287,195
+22,638
| +9% | +$301K |
|
1462
Global X Uranium ETF
URA
$6.31B
| $4.44M | ﹤0.01% |
114,433
-4,616
| -4% | -$134K |
|
1463
CALL
Copart
CPRT
$27.2B
| $4.44M | ﹤0.01% |
90,500
+33,000
| +57% | +$1.85M |
|
1464
Marathon Digital Holdings
MARA
$3.56B
| $4.44M | ﹤0.01% |
283,059
+51,210
| +22% | +$733K |
|
1465
CALL
Diageo
DEO
$52.8B
| $4.44M | ﹤0.01% |
44,000
-3,700
| -8% | -$401K |
|
1466
Fortinet
FTNT
$121B
| $4.43M | ﹤0.01% |
41,910
-39,502
| -49% | -$3.99M |
|
1467
AST SpaceMobile
ASTS
$21.4B
| $4.43M | ﹤0.01% |
94,742
+9,925
| +12% | +$287K |
|
1468
PUT
Dave & Buster's
PLAY
$361M
| $4.42M | ﹤0.01% |
147,100
-1,000
| -0.7% | -$22.6K |
|
|
FL
1469
PUT
DELISTED
Foot Locker
FL
| $4.41M | ﹤0.01% |
180,000
+37,700
| +26% | +$685K |
|
1470
ProShares UltraPro Dow 30
UDOW
$930M
| $4.41M | ﹤0.01% |
93,410
+63,628
| +214% | +$2.57M |
|
1471
PUT
Argan
AGX
$8.02B
| $4.41M | ﹤0.01% |
20,000
-4,100
| -17% | -$739K |
|
1472
CALL
Magna International
MGA
$18.7B
| $4.41M | ﹤0.01% |
114,200
+51,700
| +83% | +$1.83M |
|
1473
CALL
Harley-Davidson
HOG
$2.7B
| $4.4M | ﹤0.01% |
186,400
+81,900
| +78% | +$1.95M |
|
1474
CALL
FuboTV Inc
FUBO
$296M
| $4.4M | ﹤0.01% |
94,958
+18,258
| +24% | +$683K |
|
1475
CALL
Sweetgreen
SG
$693M
| $4.39M | ﹤0.01% |
295,200
+103,400
| +54% | +$1.7M |
|
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.