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 | |
|---|---|---|---|---|---|---|
526
PUT
Danaher
DHR
$138B
| $22.5M | 0.01% |
109,800
-29,400
| -21% | -$6.42M |
|
527
CALL
Medtronic
MDT
$108B
| $22.4M | 0.01% |
249,800
+33,100
| +15% | +$2.96M |
|
528
PUT
Wayfair
W
$12.5B
| $22.4M | 0.01% |
698,600
+12,200
| +2% | +$507K |
|
529
CALL
Mondelez International
MDLZ
$77.9B
| $22.3M | 0.01% |
328,400
+84,400
| +35% | +$5.2M |
|
530
CALL
Monolithic Power Systems
MPWR
$65.8B
| $22.2M | 0.01% |
38,300
+2,600
| +7% | +$1.64M |
|
531
PUT
Quanta Services
PWR
$93.1B
| $22.2M | 0.01% |
87,200
+65,200
| +296% | +$18.8M |
|
532
PUT
Synopsys
SNPS
$74.5B
| $22M | 0.01% |
51,400
-72,400
| -58% | -$35.2M |
|
533
Baidu
BIDU
$35.8B
| $22M | 0.01% |
239,334
-147,033
| -38% | -$13.2M |
|
534
CALL
Corning
GLW
$123B
| $22M | 0.01% |
479,900
+77,000
| +19% | +$3.8M |
|
535
CALL
Lyft
LYFT
$5.73B
| $21.9M | 0.01% |
1,843,500
+95,100
| +5% | +$1.24M |
|
|
NVO
536
Novo Nordisk
NVO
$220B
| $21.8M | 0.01% |
314,485
+258,480
| +462% | +$21.3M |
|
|
OKLO
537
CALL
Oklo
OKLO
$7.27B
| $21.8M | 0.01% |
1,009,200
+364,200
| +56% | +$12.3M |
|
538
PUT
TJX Companies
TJX
$173B
| $21.8M | 0.01% |
179,200
-167,800
| -48% | -$20.4M |
|
539
CALL
Cboe Global Markets
CBOE
$30.2B
| $21.7M | 0.01% |
95,900
-12,700
| -12% | -$2.63M |
|
540
CALL
GoDaddy
GDDY
$12.8B
| $21.6M | 0.01% |
120,100
-24,500
| -17% | -$4.68M |
|
541
PUT
Zoom
ZM
$26.7B
| $21.6M | 0.01% |
292,200
-195,600
| -40% | -$15.6M |
|
542
CALL
Cheniere Energy
LNG
$53.6B
| $21.5M | 0.01% |
93,100
+17,100
| +23% | +$3.85M |
|
543
CALL
AstraZeneca
AZN
$263B
| $21.5M | 0.01% |
146,250
+30,350
| +26% | +$4.39M |
|
544
CALL
Williams-Sonoma
WSM
$27.6B
| $21.5M | 0.01% |
135,900
-20,000
| -13% | -$3.86M |
|
|
EXE
545
PUT
Expand Energy Corp
EXE
$21.7B
| $21.5M | 0.01% |
192,900
+158,700
| +464% | +$16.5M |
|
546
PUT
Chewy
CHWY
$8.93B
| $21.4M | 0.01% |
656,800
+109,800
| +20% | +$3.94M |
|
547
CALL
XPeng
XPEV
$12.2B
| $21.3M | 0.01% |
1,030,200
-71,600
| -6% | -$1.29M |
|
548
PUT
State Street Communication Services Select Sector SPDR ETF
XLC
$22.1B
| $21.3M | 0.01% |
220,800
+55,200
| +33% | +$5.51M |
|
549
PUT
Pinterest
PINS
$13.2B
| $21.3M | 0.01% |
685,900
-406,000
| -37% | -$13.8M |
|
550
PUT
Marriott International
MAR
$101B
| $21.2M | 0.01% |
89,000
+24,900
| +39% | +$6.77M |
|
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.