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 | |
|---|---|---|---|---|---|---|
476
PUT
Rivian
RIVN
$25.3B
| $55M | 0.02% |
3,653,500
-348,600
| -9% | -$5.57M |
|
|
OKLO
477
PUT
Oklo
OKLO
$7.15B
| $54.9M | 0.02% |
1,106,800
-627,400
| -36% | -$45.1M |
|
478
CALL
CAVA Group
CAVA
$8.02B
| $54.7M | 0.02% |
676,400
-381,500
| -36% | -$27.8M |
|
479
PUT
First Majestic Silver
AG
$7.81B
| $54.6M | 0.02% |
2,542,300
+1,307,300
| +106% | +$30.1M |
|
480
PUT
Burlington
BURL
$21.7B
| $54.6M | 0.02% |
167,700
-412,600
| -71% | -$126M |
|
481
CALL
Okta
OKTA
$26B
| $54.4M | 0.02% |
690,700
+20,900
| +3% | +$1.73M |
|
482
PUT
Roku
ROKU
$21.4B
| $54.1M | 0.02% |
571,500
-567,500
| -50% | -$55.3M |
|
483
CALL
Wayfair
W
$11.8B
| $53.9M | 0.02% |
716,300
+75,900
| +12% | +$6.87M |
|
484
PUT
Align Technology
ALGN
$12.7B
| $53.8M | 0.02% |
313,700
+43,300
| +16% | +$7.58M |
|
485
PUT
Boston Scientific
BSX
$65.4B
| $53.6M | 0.02% |
854,100
+483,100
| +130% | +$38.6M |
|
486
PUT
AT&T
T
$152B
| $53.4M | 0.02% |
1,842,400
+424,700
| +30% | +$11.3M |
|
487
CALL
McKesson
MCK
$98.5B
| $52.9M | 0.02% |
61,100
-93,900
| -61% | -$83.8M |
|
488
CALL
Applied Digital
APLD
$7.37B
| $52.7M | 0.02% |
2,217,800
-74,700
| -3% | -$2.34M |
|
489
CALL
Halliburton
HAL
$29.4B
| $52.5M | 0.02% |
1,346,400
-20,300
| -1% | -$702K |
|
|
METD
490
CALL
Direxion Daily META Bear 1X ETF
METD
$7.87M
| $52.3M | 0.02% |
1,277,100
+262,500
| +26% | +$4.25M |
|
491
CALL
General Dynamics
GD
$99.7B
| $51.9M | 0.02% |
151,100
-20,900
| -12% | -$7.41M |
|
|
ETHA
492
CALL
iShares Ethereum Trust ETF
ETHA
$5.2B
| $51.8M | 0.02% |
3,274,800
-342,300
| -9% | -$6.19M |
|
493
CALL
Amphenol
APH
$186B
| $51.6M | 0.02% |
408,400
+95,900
| +31% | +$13.5M |
|
494
CALL
MP Materials
MP
$8.05B
| $51.5M | 0.02% |
1,068,000
-237,700
| -18% | -$14.2M |
|
495
PUT
Amgen
AMGN
$198B
| $50.7M | 0.02% |
144,200
-80,600
| -36% | -$28.7M |
|
496
PUT
Philip Morris
PM
$301B
| $50.7M | 0.02% |
306,600
-119,700
| -28% | -$20.8M |
|
|
497
CALL
Boston Scientific
BSX
$65.4B
| $50.5M | 0.02% |
804,200
+442,300
| +122% | +$35.4M |
|
498
CALL
Linde
LIN
$237B
| $50.3M | 0.02% |
101,500
-30,700
| -23% | -$14.5M |
|
499
PUT
BP
BP
$108B
| $49.9M | 0.02% |
1,061,100
-130,700
| -11% | -$5.12M |
|
500
PUT
VanEck Durable High Dividend ETF
DURA
$38.1M
| $49.9M | 0.02% |
188,200
+21,800
| +13% | +$799K |
|
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.