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 | |
|---|---|---|---|---|---|---|
2526
PUT
Invesco
IVZ
$13B
| $637K | ﹤0.01% |
42,000
-72,400
| -63% | -$1.24M |
|
2527
CALL
Under Armour
UAA
$3.04B
| $637K | ﹤0.01% |
101,900
-12,800
| -11% | -$95.3K |
|
2528
PUT
Huazhu Hotels Group
HTHT
$13.2B
| $637K | ﹤0.01% |
+17,200
| New | +$596K |
|
2529
ProShares UltraPro Short Russell2000
SRTY
$78.2M
| $636K | ﹤0.01% |
6,433
-11,827
| -65% | -$946K |
|
2530
CALL
Bitdeer Technologies
BTDR
$2.5B
| $635K | ﹤0.01% |
71,900
-17,100
| -19% | -$255K |
|
2531
CALL
Concentrix
CNXC
$1.55B
| $634K | ﹤0.01% |
+11,400
| New | +$546K |
|
2532
CALL
Elanco Animal Health
ELAN
$12.7B
| $634K | ﹤0.01% |
60,400
-54,500
| -47% | -$617K |
|
2533
PUT
Grindr
GRND
$2.95B
| $634K | ﹤0.01% |
35,400
+22,900
| +183% | +$402K |
|
2534
CALL
ADMA Biologics
ADMA
$2.04B
| $633K | ﹤0.01% |
31,900
+16,000
| +101% | +$277K |
|
2535
CALL
KULR Technology Group
KULR
$117M
| $631K | ﹤0.01% |
59,800
+35,825
| +149% | +$559K |
|
2536
Mattel
MAT
$4.49B
| $631K | ﹤0.01% |
32,478
-43,712
| -57% | -$867K |
|
2537
B2Gold
BTG
$5.12B
| $630K | ﹤0.01% |
220,886
+89,114
| +68% | +$239K |
|
|
2538
PUT
Concentrix
CNXC
$1.55B
| $629K | ﹤0.01% |
+11,300
| New | +$541K |
|
2539
CALL
ALPS REIT Dividend Dogs ETF
RDOG
$11.6M
| $628K | ﹤0.01% |
12,100
-10,200
| -46% | -$387K |
|
2540
PUT
Worthington Enterprises
WOR
$2.82B
| $626K | ﹤0.01% |
+12,500
| New | +$527K |
|
2541
LegalZoom.com
LZ
$1.39B
| $626K | ﹤0.01% |
72,708
+542
| +0.8% | +$4.85K |
|
2542
CALL
Mativ Holdings
MATV
$482M
| $625K | ﹤0.01% |
100,400
+80,600
| +407% | +$658K |
|
2543
PUT
Atkore
ATKR
$2.62B
| $624K | ﹤0.01% |
10,400
-3,000
| -22% | -$214K |
|
2544
Marqeta
MQ
$1.9B
| $621K | ﹤0.01% |
37,677
+9,654
| +34% | +$152K |
|
2545
PUT
Vodafone
VOD
$37.7B
| $617K | ﹤0.01% |
65,900
+5,600
| +9% | +$49.2K |
|
2546
Direxion Daily Financial Bear 3x ETF
FAZ
$82M
| $617K | ﹤0.01% |
10,967
+2,989
| +37% | +$171K |
|
2547
Invesco Dorsey Wright Financial Momentum ETF
PFI
$59.7M
| $617K | ﹤0.01% |
+11,540
| New | +$659K |
|
2548
CALL
Main Street Capital
MAIN
$5.14B
| $617K | ﹤0.01% |
+10,900
| New | +$648K |
|
2549
CALL
DoubleVerify
DV
$1.73B
| $615K | ﹤0.01% |
46,000
-32,800
| -42% | -$607K |
|
|
2550
Vodafone
VOD
$37.7B
| $614K | ﹤0.01% |
65,488
+2,362
| +4% | +$20.7K |
|
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.