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 | |
|---|---|---|---|---|---|---|
1626
CALL
Check Point Software Technologies
CHKP
$13.5B
| $3.5M | ﹤0.01% |
15,800
+2,900
| +22% | +$638K |
|
1627
CALL
Maplebear
CART
$11.2B
| $3.49M | ﹤0.01% |
77,200
-41,700
| -35% | -$1.81M |
|
1628
PUT
Clean Harbors
CLH
$17.1B
| $3.49M | ﹤0.01% |
15,100
-3,500
| -19% | -$766K |
|
1629
PUT
Sunoco
SUN
$14.3B
| $3.47M | ﹤0.01% |
64,800
+26,300
| +68% | +$1.45M |
|
|
BABO
1630
CALL
YieldMax BABA Option Income Strategy ETF
BABO
$17.6M
| $3.47M | ﹤0.01% |
94,300
+42,300
| +81% | +$701K |
|
1631
PUT
DigitalOcean
DOCN
$15B
| $3.47M | ﹤0.01% |
121,400
+50,000
| +70% | +$1.46M |
|
1632
Advance Auto Parts
AAP
$3.38B
| $3.46M | ﹤0.01% |
74,482
+48,977
| +192% | +$1.96M |
|
1633
PUT
Innodata
INOD
$2.06B
| $3.46M | ﹤0.01% |
67,500
+40,300
| +148% | +$1.59M |
|
1634
Centene
CNC
$33.2B
| $3.45M | ﹤0.01% |
+63,536
| New | +$3.73M |
|
|
TTAN
1635
ServiceTitan Inc
TTAN
$8.59B
| $3.44M | ﹤0.01% |
+32,141
| New | +$3.59M |
|
1636
Abercrombie & Fitch
ANF
$4.76B
| $3.44M | ﹤0.01% |
41,533
+23,326
| +128% | +$1.77M |
|
|
MRSH
1637
CALL
Marsh
MRSH
$89.8B
| $3.43M | ﹤0.01% |
+15,700
| New | +$3.54M |
|
1638
PUT
Wendy's
WEN
$1.64B
| $3.43M | ﹤0.01% |
300,400
+151,700
| +102% | +$1.85M |
|
1639
PUT
Nasdaq
NDAQ
$54.1B
| $3.42M | ﹤0.01% |
38,300
+6,700
| +21% | +$535K |
|
1640
PUT
Novavax
NVAX
$1.33B
| $3.41M | ﹤0.01% |
540,800
+291,000
| +116% | +$1.93M |
|
1641
PUT
Public Storage
PSA
$61.3B
| $3.4M | ﹤0.01% |
+11,600
| New | +$3.43M |
|
1642
PUT
Globalstar
GSAT
$10.7B
| $3.4M | ﹤0.01% |
144,400
-136,200
| -49% | -$2.74M |
|
1643
PUT
Goodyear
GT
$1.78B
| $3.4M | ﹤0.01% |
327,800
-183,000
| -36% | -$1.94M |
|
|
SMLR
1644
PUT
DELISTED
Semler Scientific
SMLR
| $3.39M | ﹤0.01% |
87,600
+70,900
| +425% | +$2.53M |
|
1645
PUT
FIVE9
FIVN
$2.43B
| $3.38M | ﹤0.01% |
127,700
+9,200
| +8% | +$239K |
|
1646
PUT
Bitwise Bitcoin ETF
BITB
$2.4B
| $3.36M | ﹤0.01% |
57,400
+14,500
| +34% | +$778K |
|
1647
PUT
Exelon
EXC
$47.2B
| $3.36M | ﹤0.01% |
77,400
+35,500
| +85% | +$1.58M |
|
1648
BJs Wholesale Club
BJ
$11.9B
| $3.36M | ﹤0.01% |
+31,135
| New | +$3.55M |
|
1649
CALL
Academy Sports + Outdoors
ASO
$2.96B
| $3.36M | ﹤0.01% |
74,900
+16,000
| +27% | +$663K |
|
1650
CALL
Zimmer Biomet
ZBH
$19.2B
| $3.35M | ﹤0.01% |
36,700
+16,800
| +84% | +$1.62M |
|
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.