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 | |
|---|---|---|---|---|---|---|
1976
PUT
Nabors Industries
NBR
$1.17B
| $1.53M | ﹤0.01% |
36,800
+21,300
| +137% | +$1.08M |
|
1977
CALL
American Eagle Outfitters
AEO
$2.94B
| $1.53M | ﹤0.01% |
132,000
-25,200
| -16% | -$360K |
|
|
ECHO
1978
EchoStar
ECHO
$24.3B
| $1.52M | ﹤0.01% |
+59,550
| New | +$1.62M |
|
1979
PUT
Core & Main
CNM
$7.93B
| $1.52M | ﹤0.01% |
31,500
+21,200
| +206% | +$1.1M |
|
1980
Invesco Dorsey Wright Consumer Staples Momentum ETF
PSL
$86.2M
| $1.52M | ﹤0.01% |
14,018
-4,240
| -23% | -$460K |
|
1981
CALL
Plains GP Holdings
PAGP
$5.28B
| $1.52M | ﹤0.01% |
71,000
-58,200
| -45% | -$1.22M |
|
1982
CALL
Trimble
TRMB
$13.6B
| $1.52M | ﹤0.01% |
23,100
+3,400
| +17% | +$244K |
|
|
GTLS
1983
CALL
DELISTED
Chart Industries
GTLS
| $1.52M | ﹤0.01% |
10,500
-14,200
| -57% | -$2.61M |
|
1984
CALL
Parsons
PSN
$4.31B
| $1.52M | ﹤0.01% |
+25,600
| New | +$1.85M |
|
1985
ScottsMiracle-Gro
SMG
$4.09B
| $1.51M | ﹤0.01% |
+27,551
| New | +$1.78M |
|
1986
PUT
Vanguard High Dividend Yield ETF
VYM
$80.8B
| $1.51M | ﹤0.01% |
11,700
-2,000
| -15% | -$262K |
|
1987
CALL
Aehr Test Systems
AEHR
$2.13B
| $1.5M | ﹤0.01% |
206,300
-49,000
| -19% | -$542K |
|
1988
PUT
Seadrill
SDRL
$2.59B
| $1.5M | ﹤0.01% |
+60,100
| New | +$1.86M |
|
1989
PUT
Herbalife
HLF
$1.3B
| $1.5M | ﹤0.01% |
174,100
+77,000
| +79% | +$548K |
|
1990
PUT
Celanese
CE
$4.82B
| $1.5M | ﹤0.01% |
26,400
-1,700
| -6% | -$106K |
|
|
1991
Herbalife
HLF
$1.3B
| $1.5M | ﹤0.01% |
+173,345
| New | +$1.23M |
|
1992
PUT
MACOM Technology Solutions
MTSI
$17.4B
| $1.5M | ﹤0.01% |
+14,900
| New | +$1.81M |
|
1993
CALL
ARK Blockchain & Fintech Innovation ETF
ARKF
$731M
| $1.49M | ﹤0.01% |
44,900
-2,400
| -5% | -$92.5K |
|
1994
Hecla Mining
HL
$9.49B
| $1.49M | ﹤0.01% |
268,258
-14,636
| -5% | -$81.2K |
|
1995
PUT
TAL Education Group
TAL
$6.04B
| $1.49M | ﹤0.01% |
112,900
-159,000
| -58% | -$1.98M |
|
1996
Invesco S&P SmallCap 600 Pure Value ETF
RZV
$291M
| $1.49M | ﹤0.01% |
15,073
+1,935
| +15% | +$207K |
|
|
EH
1997
EHang Holdings
EH
$375M
| $1.48M | ﹤0.01% |
71,085
-69,043
| -49% | -$1.4M |
|
1998
CALL
Cirrus Logic
CRUS
$6.76B
| $1.48M | ﹤0.01% |
14,900
-5,500
| -27% | -$567K |
|
1999
CALL
Northern Oil and Gas
NOG
$2.29B
| $1.48M | ﹤0.01% |
49,100
-2,000
| -4% | -$68.5K |
|
2000
CALL
Vanguard Total World Stock ETF
VT
$75.3B
| $1.48M | ﹤0.01% |
+12,800
| New | +$1.53M |
|
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.