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 | |
|---|---|---|---|---|---|---|
526
CALL
Duolingo
DUOL
$5.9B
| $46.3M | 0.02% |
469,700
+78,700
| +20% | +$9.7M |
|
527
CALL
C.H. Robinson
CHRW
$24.7B
| $46M | 0.02% |
277,200
+68,200
| +33% | +$12.2M |
|
528
PUT
Dollar General
DG
$27.2B
| $46M | 0.02% |
387,300
-397,200
| -51% | -$56.6M |
|
529
PUT
GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF
COMB
$133M
| $45.9M | 0.02% |
1,414,000
+275,300
| +24% | +$6.51M |
|
530
CALL
Huntington Ingalls Industries
HII
$10.6B
| $45.6M | 0.02% |
120,100
+102,000
| +564% | +$42M |
|
531
PUT
GameStop
GME
$9.71B
| $45.5M | 0.02% |
1,976,800
-575,100
| -23% | -$13.3M |
|
532
CALL
DraftKings
DKNG
$12B
| $45.5M | 0.02% |
2,104,600
+396,700
| +23% | +$10.7M |
|
533
Rockwell Automation
ROK
$51.7B
| $45.5M | 0.02% |
126,717
+115,044
| +986% | +$45.4M |
|
534
PUT
Wynn Resorts
WYNN
$9.86B
| $45.5M | 0.02% |
447,600
-184,900
| -29% | -$20.2M |
|
535
CALL
Wheaton Precious Metals
WPM
$49.9B
| $45.4M | 0.02% |
346,400
+99,900
| +41% | +$13.9M |
|
536
CALL
Core Scientific
CORZ
$7.67B
| $45.2M | 0.02% |
3,021,100
+399,900
| +15% | +$6.82M |
|
537
CALL
Upstart Holdings
UPST
$2.83B
| $45.1M | 0.02% |
1,757,800
+252,200
| +17% | +$8.87M |
|
538
CALL
LyondellBasell Industries
LYB
$19.8B
| $44.9M | 0.02% |
557,600
+145,500
| +35% | +$8.63M |
|
|
ETH
539
Grayscale Ethereum Staking Mini ETF Shares
ETH
$1.75B
| $44.8M | 0.02% |
+2,255,767
| New | +$51.1M |
|
540
PUT
Hims & Hers Health
HIMS
$7.51B
| $44.7M | 0.02% |
2,154,900
+437,300
| +25% | +$10.3M |
|
541
PUT
Altria Group
MO
$122B
| $44.4M | 0.02% |
673,400
+213,200
| +46% | +$13.7M |
|
542
PUT
Five Below
FIVE
$11.4B
| $44.2M | 0.02% |
193,600
+81,700
| +73% | +$17.1M |
|
|
543
PUT
Duolingo
DUOL
$5.9B
| $44.2M | 0.02% |
448,500
+228,800
| +104% | +$28.2M |
|
544
PUT
Affirm
AFRM
$24.9B
| $43.9M | 0.02% |
959,000
-2,900
| -0.3% | -$168K |
|
545
CALL
YPF
YPF
$20.2B
| $43.6M | 0.02% |
943,400
+681,200
| +260% | +$25.8M |
|
546
CALL
Invesco Aerospace & Defense ETF
PPA
$7.98B
| $43.6M | 0.02% |
231,900
+26,300
| +13% | +$4.6M |
|
547
CALL
AeroVironment
AVAV
$7.52B
| $43.5M | 0.02% |
237,900
+41,400
| +21% | +$10.9M |
|
548
Costco
COST
$412B
| $43.4M | 0.02% |
+43,605
| New | +$42.5M |
|
549
PUT
Live Nation Entertainment
LYV
$41B
| $43.4M | 0.02% |
284,800
+37,100
| +15% | +$5.62M |
|
550
CALL
ARK Innovation ETF
ARKK
$6.37B
| $43.3M | 0.02% |
640,800
-306,900
| -32% | -$22.8M |
|
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.