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 | |
|---|---|---|---|---|---|---|
1826
CALL
Polaris
PII
$3.83B
| $1.91M | ﹤0.01% |
46,700
+24,200
| +108% | +$1.15M |
|
1827
Sempra
SRE
$58.1B
| $1.91M | ﹤0.01% |
+26,699
| New | +$2.08M |
|
1828
CALL
Virgin Galactic
SPCE
$315M
| $1.9M | ﹤0.01% |
628,300
-51,000
| -8% | -$224K |
|
1829
PUT
NextDecade
NEXT
$1.68B
| $1.9M | ﹤0.01% |
244,200
+87,600
| +56% | +$706K |
|
1830
Lyft
LYFT
$5.86B
| $1.9M | ﹤0.01% |
+159,756
| New | +$2.08M |
|
1831
CALL
Hartford Financial Services
HIG
$39.9B
| $1.89M | ﹤0.01% |
15,300
-12,900
| -46% | -$1.48M |
|
1832
PUT
BigBear.ai
BBAI
$1.24B
| $1.89M | ﹤0.01% |
661,800
+565,400
| +587% | +$2.69M |
|
1833
CALL
Petrobras
PBR
$120B
| $1.89M | ﹤0.01% |
131,800
+37,800
| +40% | +$521K |
|
1834
Sprott Uranium Miners ETF
URNM
$1.71B
| $1.89M | ﹤0.01% |
58,255
+41,761
| +253% | +$1.59M |
|
1835
PUT
Sable Offshore Corp
SOC
$836M
| $1.88M | ﹤0.01% |
74,300
+16,000
| +27% | +$410K |
|
1836
PUT
OneMain Financial
OMF
$7.27B
| $1.88M | ﹤0.01% |
38,500
-9,700
| -20% | -$514K |
|
1837
PUT
Xcel Energy
XEL
$49.2B
| $1.88M | ﹤0.01% |
26,500
-7,800
| -23% | -$531K |
|
1838
PUT
StoneCo
STNE
$2.67B
| $1.87M | ﹤0.01% |
178,100
-155,700
| -47% | -$1.47M |
|
1839
CALL
Blackstone Mortgage Trust
BXMT
$2.77B
| $1.86M | ﹤0.01% |
92,800
+45,100
| +95% | +$872K |
|
1840
PUT
Ares Management
ARES
$28.1B
| $1.85M | ﹤0.01% |
+12,600
| New | +$2.18M |
|
1841
CALL
Antero Midstream
AM
$10.2B
| $1.84M | ﹤0.01% |
102,500
+27,000
| +36% | +$447K |
|
1842
CALL
BWX Technologies
BWXT
$14.4B
| $1.84M | ﹤0.01% |
18,700
+4,100
| +28% | +$445K |
|
1843
PUT
Onto Innovation
ONTO
$10.9B
| $1.84M | ﹤0.01% |
+15,200
| New | +$2.56M |
|
1844
CALL
BCE
BCE
$20.8B
| $1.84M | ﹤0.01% |
80,100
+33,300
| +71% | +$783K |
|
1845
CALL
Applied Optoelectronics
AAOI
$6.14B
| $1.84M | ﹤0.01% |
119,600
-75,100
| -39% | -$1.89M |
|
|
HUT
1846
PUT
Hut 8
HUT
$9.93B
| $1.83M | ﹤0.01% |
157,500
+56,400
| +56% | +$1.04M |
|
1847
PUT
M&T Bank
MTB
$36.3B
| $1.82M | ﹤0.01% |
10,200
-3,100
| -23% | -$588K |
|
1848
PUT
PVH
PVH
$4.07B
| $1.82M | ﹤0.01% |
28,200
-47,100
| -63% | -$3.81M |
|
1849
CALL
Crane Co
CR
$11.9B
| $1.82M | ﹤0.01% |
11,900
-6,400
| -35% | -$1.03M |
|
1850
CALL
Portillo's
PTLO
$345M
| $1.82M | ﹤0.01% |
153,300
+45,200
| +42% | +$588K |
|
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.