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 | |
|---|---|---|---|---|---|---|
|
ARR
2376
PUT
Armour Residential REIT
ARR
$2.32B
| $843K | ﹤0.01% |
49,300
+16,800
| +52% | +$313K |
|
2377
Eldorado Gold
EGO
$8.19B
| $842K | ﹤0.01% |
50,053
-19,626
| -28% | -$295K |
|
2378
PUT
Gold Fields
GFI
$28.6B
| $842K | ﹤0.01% |
38,100
+19,000
| +99% | +$347K |
|
|
HIMX
2379
CALL
Himax Technologies
HIMX
$2.04B
| $842K | ﹤0.01% |
114,500
+36,700
| +47% | +$339K |
|
|
TUZ
2380
CALL
DELISTED
PIMCO 1-3 Year U.S. Treasury Index Exchange-Traded Fund
TUZ
| $838K | ﹤0.01% |
+11,700
| New | +$838K |
|
2381
Archer Aviation
ACHR
$3.54B
| $831K | ﹤0.01% |
+116,914
| New | +$1.04M |
|
|
OSG
2382
Octave Specialty Group
OSG
$256M
| $830K | ﹤0.01% |
94,803
+64,487
| +213% | +$679K |
|
2383
CALL
Jack in the Box
JACK
$316M
| $829K | ﹤0.01% |
30,500
+8,900
| +41% | +$328K |
|
2384
2x Bitcoin ETF
BITX
$893M
| $827K | ﹤0.01% |
+23,300
| New | +$1.15M |
|
2385
HP
HPQ
$26.1B
| $824K | ﹤0.01% |
29,743
-5,882
| -17% | -$186K |
|
2386
CALL
Viasat
VSAT
$9.88B
| $821K | ﹤0.01% |
78,800
+2,300
| +3% | +$22.2K |
|
2387
PUT
YieldMax MSTR Option Income Strategy ETF
MSTY
$739M
| $819K | ﹤0.01% |
+8,060
| New | +$996K |
|
2388
PUT
Murphy Oil
MUR
$5.53B
| $818K | ﹤0.01% |
28,800
+8,700
| +43% | +$245K |
|
2389
PUT
Global E Online
GLBE
$6.63B
| $816K | ﹤0.01% |
22,900
-6,900
| -23% | -$339K |
|
2390
PureCycle Technologies
PCT
$1.2B
| $816K | ﹤0.01% |
+117,877
| New | +$1.06M |
|
2391
Direxion Daily Semiconductor Bear 3X ETF
SOXS
$2.49B
| $816K | ﹤0.01% |
141
-232
| -62% | -$1.02M |
|
2392
PUT
Clover Health Investments
CLOV
$2.24B
| $815K | ﹤0.01% |
226,900
-103,700
| -31% | -$416K |
|
2393
CALL
Fastly Inc
FSLY
$3.22B
| $813K | ﹤0.01% |
128,500
-117,500
| -48% | -$982K |
|
2394
PUT
SM Energy
SM
$7.53B
| $812K | ﹤0.01% |
27,100
-6,000
| -18% | -$215K |
|
2395
CALL
Array Technologies
ARRY
$757M
| $809K | ﹤0.01% |
166,100
-92,600
| -36% | -$596K |
|
|
2396
CALL
Gold Fields
GFI
$28.6B
| $808K | ﹤0.01% |
36,600
+15,900
| +77% | +$291K |
|
2397
CALL
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$223M
| $808K | ﹤0.01% |
63,300
-9,800
| -13% | -$196K |
|
2398
Vale
VALE
$62.2B
| $805K | ﹤0.01% |
+80,661
| New | +$762K |
|
2399
C3.ai
AI
$1.38B
| $805K | ﹤0.01% |
38,240
+9,413
| +33% | +$267K |
|
2400
PUT
Aehr Test Systems
AEHR
$2.15B
| $804K | ﹤0.01% |
110,300
+29,000
| +36% | +$321K |
|
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.