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 Russell 2000 ETF
IWM
|
+$106M |
| 2 |
Advanced Micro Devices
AMD
|
+$81.1M |
| 3 |
Amazon
AMZN
|
+$73M |
| 4 |
TSMC
TSM
|
+$68.5M |
| 5 |
iShares Silver Trust
SLV
|
+$64.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$214M |
| 2 |
iShares Core S&P 500 ETF
IVV
|
+$209M |
| 3 |
Invesco NASDAQ 100 ETF
QQQM
|
+$209M |
| 4 |
Vanguard S&P 500 ETF
VOO
|
+$150M |
| 5 |
Meta Platforms (Facebook)
META
|
+$102M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.28% |
| 2 | Consumer Discretionary | 0.23% |
| 3 | Healthcare | 0.11% |
| 4 | Communication Services | 0.09% |
| 5 | Financials | 0.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
801
CALL
Clorox
CLX
$12.1B
| $12.1M | 0.01% |
82,200
+31,400
| +62% | +$4.79M |
|
802
PUT
Vanguard Information Technology ETF
VGT
$136B
| $12M | 0.01% |
177,600
+16,000
| +10% | +$1.21M |
|
803
CALL
Tractor Supply
TSCO
$16.6B
| $12M | 0.01% |
218,300
-47,300
| -18% | -$2.59M |
|
804
PUT
Rubrik
RBRK
$14.9B
| $12M | 0.01% |
196,800
+63,600
| +48% | +$4.34M |
|
805
PUT
Li Auto
LI
$13.8B
| $12M | 0.01% |
475,700
+29,800
| +7% | +$767K |
|
806
CALL
Grayscale Bitcoin Trust
GBTC
$9.58B
| $12M | 0.01% |
183,800
+69,200
| +60% | +$5.1M |
|
807
PUT
KKR & Co
KKR
$91.9B
| $12M | 0.01% |
103,600
+9,000
| +10% | +$1.24M |
|
808
PUT
Mondelez International
MDLZ
$80.1B
| $12M | 0.01% |
176,500
+2,400
| +1% | +$148K |
|
809
CALL
Teck Resources
TECK
$28.7B
| $11.9M | 0.01% |
327,500
+141,700
| +76% | +$5.88M |
|
810
CALL
Zoetis
ZTS
$32.6B
| $11.9M | 0.01% |
72,400
+44,000
| +155% | +$7.32M |
|
811
PUT
Kroger
KR
$36.5B
| $11.9M | 0.01% |
176,000
-25,600
| -13% | -$1.62M |
|
812
PUT
Five Below
FIVE
$11.5B
| $11.9M | 0.01% |
158,600
+28,000
| +21% | +$2.46M |
|
813
CALL
Sony
SONY
$133B
| $11.9M | 0.01% |
467,800
-118,800
| -20% | -$2.75M |
|
814
PUT
Rigetti Computing
RGTI
$4.84B
| $11.9M | 0.01% |
1,499,100
+234,400
| +19% | +$2.6M |
|
815
CALL
Carpenter Technology
CRS
$27.6B
| $11.9M | 0.01% |
65,500
+700
| +1% | +$135K |
|
816
PUT
Realty Income
O
$61.5B
| $11.8M | 0.01% |
203,900
-35,000
| -15% | -$1.94M |
|
817
PUT
PENN Entertainment
PENN
$2.83B
| $11.8M | 0.01% |
723,200
+164,500
| +29% | +$3.22M |
|
818
PUT
Lyft
LYFT
$5.84B
| $11.8M | 0.01% |
993,100
+44,300
| +5% | +$577K |
|
819
PUT
NetEase
NTES
$82B
| $11.7M | 0.01% |
114,100
+17,600
| +18% | +$1.77M |
|
820
PUT
Equinix
EQIX
$103B
| $11.7M | 0.01% |
14,400
+2,000
| +16% | +$1.8M |
|
821
PUT
PNC Financial Services
PNC
$100B
| $11.7M | 0.01% |
66,700
-73,900
| -53% | -$13.9M |
|
822
PUT
Las Vegas Sands
LVS
$32B
| $11.7M | 0.01% |
303,300
-31,800
| -9% | -$1.4M |
|
823
PUT
Travelers Companies
TRV
$82.8B
| $11.7M | 0.01% |
44,100
+18,100
| +70% | +$4.51M |
|
824
CALL
Builders FirstSource
BLDR
$7.86B
| $11.7M | 0.01% |
93,300
+1,500
| +2% | +$218K |
|
825
CALL
Biogen
BIIB
$30.1B
| $11.6M | 0.01% |
84,900
+59,700
| +237% | +$8.53M |
|
Similar funds
IMC Chicago's Q1 2025 Portfolio in Review
As of Q1 2025, IMC Chicago held 3,586 positions worth $177B, down 18% from $215B the previous quarter. Its ten largest holdings account for 46% of the portfolio.
IMC Chicago withdrew a net $21.1B in Q1 2025, closing 516 positions and reducing 1,388 holdings. Its most notable exit was iShares Core S&P 500 ETF, an estimated $209M position sold in full.
By sector, the portfolio is most concentrated in Technology at 0.28% of assets, down from 0.32% a quarter earlier, followed by Consumer Discretionary and Healthcare.
Against the trend, IMC Chicago opened a new position in Amazon worth $64M.
- IMC Chicago's largest Q1 2025 buy was Amazon: 336,493 shares worth $64M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q1 2025, an estimated $106M increase.
- IMC Chicago's biggest Q1 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $214M.
- IMC Chicago fully exited iShares Core S&P 500 ETF in Q1 2025, selling an estimated $209M.
- IMC Chicago's ten largest holdings make up 46% of its $177B portfolio in Q1 2025.
- IMC Chicago opened 482 new positions and closed 516 in Q1 2025.
- IMC Chicago's portfolio value fell 18% quarter-over-quarter to $177B.
Based on IMC Chicago's 13F filing for Q1 2025, filed 14 Apr 2025.