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 | |
|---|---|---|---|---|---|---|
2001
CALL
PagSeguro Digital
PAGS
$2.67B
| $1.48M | ﹤0.01% |
194,100
+17,700
| +10% | +$132K |
|
2002
CALL
Magnite
MGNI
$2.83B
| $1.48M | ﹤0.01% |
129,500
-37,200
| -22% | -$593K |
|
|
PPL
2003
PUT
PPL Corp
PPL
$26.9B
| $1.48M | ﹤0.01% |
40,900
-14,200
| -26% | -$482K |
|
2004
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.69B
| $1.48M | ﹤0.01% |
+32,248
| New | +$1.56M |
|
2005
CALL
Agree Realty
ADC
$9.66B
| $1.47M | ﹤0.01% |
+19,100
| New | +$1.4M |
|
2006
CALL
Olin
OLN
$2.53B
| $1.47M | ﹤0.01% |
60,800
+30,800
| +103% | +$867K |
|
2007
CALL
Ball Corp
BALL
$17.5B
| $1.47M | ﹤0.01% |
28,300
-16,500
| -37% | -$866K |
|
|
BBBY
2008
CALL
Bed Bath & Beyond
BBBY
$479M
| $1.47M | ﹤0.01% |
278,960
-70,400
| -20% | -$427K |
|
2009
iShares MSCI Japan ETF
EWJ
$21.2B
| $1.47M | ﹤0.01% |
+21,440
| New | +$1.47M |
|
|
PARA
2010
CALL
DELISTED
Paramount Global Class B
PARA
| $1.47M | ﹤0.01% |
122,600
-92,500
| -43% | -$1.03M |
|
2011
CALL
Vanguard World Funds Extended Duration ETF
EDV
$3.26B
| $1.46M | ﹤0.01% |
20,600
+6,900
| +50% | +$477K |
|
|
SLNO
2012
CALL
DELISTED
Soleno Therapeutics
SLNO
| $1.46M | ﹤0.01% |
+20,500
| New | +$998K |
|
2013
2x Long VIX Futures ETF
UVIX
$300M
| $1.46M | ﹤0.01% |
1,961
+168
| +9% | +$110K |
|
2014
PUT
Modine Manufacturing
MOD
$9.46B
| $1.46M | ﹤0.01% |
19,000
+5,800
| +44% | +$572K |
|
|
TTAN
2015
CALL
ServiceTitan Inc
TTAN
$8.03B
| $1.46M | ﹤0.01% |
+15,300
| New | +$1.48M |
|
2016
PUT
Western Midstream Partners
WES
$19.4B
| $1.45M | ﹤0.01% |
35,500
+12,900
| +57% | +$525K |
|
2017
SharkNinja
SN
$22.5B
| $1.45M | ﹤0.01% |
+17,418
| New | +$1.77M |
|
2018
PUT
Golar LNG
GLNG
$4.82B
| $1.45M | ﹤0.01% |
38,200
+13,800
| +57% | +$541K |
|
2019
PUT
Darling Ingredients
DAR
$9.32B
| $1.45M | ﹤0.01% |
46,400
-12,000
| -21% | -$420K |
|
2020
PUT
Alexandria Real Estate Equities
ARE
$9.37B
| $1.44M | ﹤0.01% |
15,600
-9,800
| -39% | -$960K |
|
2021
PUT
Boyd Gaming
BYD
$6.75B
| $1.44M | ﹤0.01% |
21,900
-1,500
| -6% | -$110K |
|
2022
PUT
Kinross Gold
KGC
$27.7B
| $1.44M | ﹤0.01% |
114,100
-65,700
| -37% | -$737K |
|
2023
CALL
US Foods
USFD
$22.5B
| $1.43M | ﹤0.01% |
21,900
-7,900
| -27% | -$540K |
|
2024
CALL
Exelixis
EXEL
$13.9B
| $1.43M | ﹤0.01% |
+38,800
| New | +$1.38M |
|
2025
ProShares Ultra Silver
AGQ
$1.13B
| $1.43M | ﹤0.01% |
+31,011
| New | +$1.27M |
|
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.