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 |
Sprott Physical Silver Trust
PSLV
|
+$344M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$297M |
| 3 |
Tesla
TSLA
|
+$235M |
| 4 |
Sprott Physical Gold and Silver Trust
CEF
|
+$177M |
| 5 |
Meta Platforms (Facebook)
META
|
+$120M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$426M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$390M |
| 3 |
NVIDIA
NVDA
|
+$72.8M |
| 4 |
Broadcom
AVGO
|
+$66.7M |
| 5 |
AST SpaceMobile
ASTS
|
+$62.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.58% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Financials | 0.16% |
| 4 | Communication Services | 0.13% |
| 5 | Industrials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
376
CALL
United Therapeutics
UTHR
$22.7B
| $73M | 0.03% |
123,100
+62,300
| +102% | +$31M |
|
377
PUT
Credo Technology Group
CRDO
$37.8B
| $72.8M | 0.03% |
775,100
+322,800
| +71% | +$39.3M |
|
|
UCD
378
PUT
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $72M | 0.03% |
702,000
+72,100
| +11% | +$7.39M |
|
379
CALL
Oneok
OKE
$58.9B
| $71.9M | 0.03% |
794,900
+158,900
| +25% | +$13.1M |
|
380
CALL
JD.com
JD
$40B
| $71.8M | 0.03% |
2,429,400
-2,842,100
| -54% | -$80.3M |
|
381
CALL
Chubb
CB
$137B
| $71.6M | 0.03% |
219,800
+106,300
| +94% | +$34.1M |
|
382
PUT
Thermo Fisher Scientific
TMO
$198B
| $71.6M | 0.03% |
145,600
-64,400
| -31% | -$34.9M |
|
383
PUT
Chipotle Mexican Grill
CMG
$44.2B
| $71.2M | 0.03% |
2,223,800
-1,120,700
| -34% | -$41.4M |
|
384
PUT
Honeywell
HON
$71.3B
| $71.2M | 0.03% |
314,800
+127,100
| +68% | +$29M |
|
385
CALL
Roku
ROKU
$21.4B
| $71.1M | 0.03% |
751,900
-94,100
| -11% | -$9.16M |
|
386
PUT
Zscaler
ZS
$24.2B
| $71.1M | 0.03% |
506,500
+121,600
| +32% | +$21.6M |
|
387
CALL
TeraWulf
WULF
$9B
| $71M | 0.03% |
4,921,300
+357,800
| +8% | +$5.31M |
|
388
PUT
Agnico Eagle Mines
AEM
$68.5B
| $70.9M | 0.03% |
349,400
-7,500
| -2% | -$1.56M |
|
389
PUT
State Street Industrial Select Sector SPDR ETF
XLI
$33.3B
| $70.5M | 0.03% |
436,100
-8,500
| -2% | -$1.43M |
|
390
CALL
Freeport-McMoran
FCX
$83.9B
| $70.4M | 0.03% |
1,198,500
-216,300
| -15% | -$13.1M |
|
391
PUT
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$22.3B
| $70.3M | 0.03% |
645,100
+6,000
| +0.9% | +$701K |
|
392
CALL
Rivian
RIVN
$25.3B
| $70M | 0.03% |
4,653,100
-17,000
| -0.4% | -$272K |
|
393
PUT
Procter & Gamble
PG
$349B
| $69.9M | 0.03% |
484,200
+51,900
| +12% | +$7.87M |
|
394
PUT
Delta Air Lines
DAL
$55.4B
| $69.9M | 0.03% |
1,050,900
-235,300
| -18% | -$15.8M |
|
395
PUT
Starbucks
SBUX
$120B
| $69.8M | 0.03% |
779,300
-496,800
| -39% | -$47M |
|
|
ETHA
396
iShares Ethereum Trust ETF
ETHA
$5.09B
| $69.7M | 0.03% |
4,404,430
+3,323,087
| +307% | +$60.1M |
|
397
CALL
Cigna
CI
$74.5B
| $69.5M | 0.03% |
260,600
-42,400
| -14% | -$11.7M |
|
398
PUT
Teradyne
TER
$50.5B
| $69.5M | 0.03% |
234,300
+55,700
| +31% | +$15.5M |
|
399
CALL
Dow Inc
DOW
$21.6B
| $68.8M | 0.02% |
1,652,400
-315,500
| -16% | -$10M |
|
400
CALL
Astera Labs
ALAB
$52B
| $68.7M | 0.02% |
626,900
-105,800
| -14% | -$15.1M |
|
Similar funds
IMC Chicago's Q1 2026 Portfolio in Review
As of Q1 2026, IMC Chicago held 6,062 positions worth $278B, up 1.1% from $275B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $22.2B of net new capital in Q1 2026, opening 2,049 new positions and adding to 1,848 existing holdings. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
By sector, the portfolio is most concentrated in Technology at 0.58% of assets, up from 0.56% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Broadcom, an estimated $66.7M trimmed.
- IMC Chicago's largest Q1 2026 buy was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
- IMC Chicago added most to Sprott Physical Silver Trust in Q1 2026, an estimated $344M increase.
- IMC Chicago's biggest Q1 2026 reduction was Broadcom, cutting an estimated $66.7M.
- IMC Chicago fully exited Invesco QQQ Trust in Q1 2026, selling an estimated $426M.
- IMC Chicago's ten largest holdings make up 38% of its $278B portfolio in Q1 2026.
- IMC Chicago opened 2,049 new positions and closed 389 in Q1 2026.
- IMC Chicago's portfolio value rose 1.1% quarter-over-quarter to $278B.
Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.