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 | |
|---|---|---|---|---|---|---|
1951
Kenvue
KVUE
$38B
| $1.59M | ﹤0.01% |
+66,482
| New | +$1.47M |
|
1952
PUT
Polaris
PII
$3.83B
| $1.59M | ﹤0.01% |
38,900
+10,000
| +35% | +$476K |
|
|
EXAS
1953
CALL
DELISTED
Exact Sciences
EXAS
| $1.59M | ﹤0.01% |
+36,700
| New | +$1.86M |
|
1954
PUT
Advanced Drainage Systems
WMS
$10.6B
| $1.59M | ﹤0.01% |
+14,600
| New | +$1.7M |
|
1955
CALL
SSR Mining
SSRM
$5.19B
| $1.58M | ﹤0.01% |
158,000
+47,800
| +43% | +$441K |
|
1956
YPF
YPF
$19.7B
| $1.58M | ﹤0.01% |
+45,101
| New | +$1.73M |
|
1957
Pitney Bowes
PBI
$2.39B
| $1.58M | ﹤0.01% |
174,384
-36,294
| -17% | -$329K |
|
1958
Toast
TOST
$18.9B
| $1.58M | ﹤0.01% |
+47,532
| New | +$1.78M |
|
1959
Wendy's
WEN
$1.46B
| $1.57M | ﹤0.01% |
107,488
+46,187
| +75% | +$695K |
|
1960
CALL
iShares Core MSCI Emerging Markets ETF
IEMG
$144B
| $1.57M | ﹤0.01% |
26,900
-23,600
| -47% | -$1.27M |
|
|
LNW
1961
CALL
DELISTED
Light & Wonder
LNW
| $1.57M | ﹤0.01% |
18,100
+7,000
| +63% | +$674K |
|
1962
PUT
Advanced Energy
AEIS
$10.1B
| $1.56M | ﹤0.01% |
+16,400
| New | +$1.87M |
|
1963
Seagate
STX
$174B
| $1.56M | ﹤0.01% |
+18,375
| New | +$1.74M |
|
1964
CALL
ATI
ATI
$24.3B
| $1.56M | ﹤0.01% |
+30,000
| New | +$1.7M |
|
1965
Energy Fuels
UUUU
$2.68B
| $1.56M | ﹤0.01% |
418,332
+118,984
| +40% | +$570K |
|
1966
PUT
Tower Semiconductor
TSEM
$21.2B
| $1.55M | ﹤0.01% |
43,500
-62,100
| -59% | -$2.81M |
|
1967
CALL
Procept Biorobotics
PRCT
$1.02B
| $1.55M | ﹤0.01% |
26,600
+8,000
| +43% | +$546K |
|
1968
CALL
Vipshop
VIPS
$7.26B
| $1.55M | ﹤0.01% |
98,800
-47,000
| -32% | -$710K |
|
|
CIVI
1969
CALL
DELISTED
Civitas Resources
CIVI
| $1.55M | ﹤0.01% |
44,400
+13,400
| +43% | +$593K |
|
1970
CALL
Nokia
NOK
$46.9B
| $1.55M | ﹤0.01% |
293,900
-178,100
| -38% | -$871K |
|
1971
CALL
DTE Energy
DTE
$29.9B
| $1.55M | ﹤0.01% |
+11,200
| New | +$1.43M |
|
|
QXO
1972
QXO Inc
QXO
$13.9B
| $1.55M | ﹤0.01% |
114,125
+100,433
| +734% | +$1.37M |
|
1973
CALL
H&R Block
HRB
$5.98B
| $1.54M | ﹤0.01% |
28,100
+4,400
| +19% | +$235K |
|
1974
CALL
Insmed
INSM
$22.4B
| $1.54M | ﹤0.01% |
+20,200
| New | +$1.55M |
|
1975
CALL
Golar LNG
GLNG
$4.82B
| $1.54M | ﹤0.01% |
40,500
-35,800
| -47% | -$1.4M |
|
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.