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 | |
|---|---|---|---|---|---|---|
2226
ProShares Ultra NASDAQ Biotechnology
BIB
$82.9M
| $1.08M | ﹤0.01% |
+22,406
| New | +$1.2M |
|
2227
PUT
BCE
BCE
$20.8B
| $1.08M | ﹤0.01% |
47,000
-2,700
| -5% | -$63.5K |
|
2228
PUT
Rithm Capital
RITM
$5.58B
| $1.08M | ﹤0.01% |
94,200
-19,800
| -17% | -$229K |
|
2229
CALL
Warrior Met Coal
HCC
$4.17B
| $1.08M | ﹤0.01% |
22,600
-7,700
| -25% | -$393K |
|
2230
CALL
Levi Strauss
LEVI
$9.49B
| $1.08M | ﹤0.01% |
69,100
-4,400
| -6% | -$76.6K |
|
2231
PUT
Cirrus Logic
CRUS
$6.76B
| $1.08M | ﹤0.01% |
10,800
-2,800
| -21% | -$289K |
|
2232
PUT
Perrigo
PRGO
$1.44B
| $1.07M | ﹤0.01% |
38,300
-18,100
| -32% | -$469K |
|
2233
Aurora
AUR
$11.7B
| $1.07M | ﹤0.01% |
159,674
+106,863
| +202% | +$765K |
|
2234
Transocean
RIG
$5.48B
| $1.07M | ﹤0.01% |
338,711
+115,864
| +52% | +$406K |
|
2235
State Street SPDR S&P Retail ETF
XRT
$457M
| $1.07M | ﹤0.01% |
+15,524
| New | +$1.17M |
|
2236
PUT
CNX Resources
CNX
$4.91B
| $1.07M | ﹤0.01% |
33,900
-23,100
| -41% | -$696K |
|
2237
PUT
Helen of Troy
HELE
$656M
| $1.06M | ﹤0.01% |
19,900
-28,300
| -59% | -$1.63M |
|
2238
CALL
Copa Holdings
CPA
$5.56B
| $1.06M | ﹤0.01% |
+11,500
| New | +$1.07M |
|
2239
CALL
YieldMax MSTR Option Income Strategy ETF
MSTY
$723M
| $1.06M | ﹤0.01% |
10,460
+6,960
| +199% | +$860K |
|
2240
CALL
Trupanion
TRUP
$1.13B
| $1.06M | ﹤0.01% |
28,500
-17,600
| -38% | -$732K |
|
2241
CALL
Invesco
IVZ
$12.4B
| $1.06M | ﹤0.01% |
70,000
+6,700
| +11% | +$114K |
|
2242
Applied Optoelectronics
AAOI
$6.14B
| $1.05M | ﹤0.01% |
68,604
+36,184
| +112% | +$910K |
|
2243
CALL
Host Hotels & Resorts
HST
$17.5B
| $1.05M | ﹤0.01% |
+73,800
| New | +$1.2M |
|
2244
Lam Research
LRCX
$316B
| $1.05M | ﹤0.01% |
14,405
-49,242
| -77% | -$3.88M |
|
2245
CALL
St. Joe Company
JOE
$3.55B
| $1.05M | ﹤0.01% |
22,300
+8,000
| +56% | +$374K |
|
2246
SolarEdge
SEDG
$2.37B
| $1.04M | ﹤0.01% |
64,560
+28,664
| +80% | +$446K |
|
2247
GE HealthCare
GEHC
$32.5B
| $1.04M | ﹤0.01% |
12,926
-22,400
| -63% | -$1.93M |
|
2248
CALL
Ouster
OUST
$2.11B
| $1.04M | ﹤0.01% |
116,000
+23,800
| +26% | +$235K |
|
|
BRSL
2249
Brightstar Lottery PLC
BRSL
$1.9B
| $1.04M | ﹤0.01% |
+64,055
| New | +$1.11M |
|
2250
Skyworks Solutions
SWKS
$9.21B
| $1.04M | ﹤0.01% |
+16,091
| New | +$1.23M |
|
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.