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 | |
|---|---|---|---|---|---|---|
501
PUT
McKesson
MCK
$97.3B
| $49.8M | 0.02% |
57,600
-47,600
| -45% | -$42.5M |
|
502
PUT
General Dynamics
GD
$100B
| $49.8M | 0.02% |
145,200
+52,200
| +56% | +$18.5M |
|
503
CALL
Hecla Mining
HL
$9.58B
| $49.3M | 0.02% |
2,647,300
+1,347,400
| +104% | +$30.3M |
|
504
CALL
First Majestic Silver
AG
$7.83B
| $49.3M | 0.02% |
2,292,900
+628,900
| +38% | +$14.5M |
|
505
CALL
Cadence Design Systems
CDNS
$91B
| $48.9M | 0.02% |
176,000
-16,900
| -9% | -$5.04M |
|
506
PUT
Nucor
NUE
$52.5B
| $48.5M | 0.02% |
287,000
-1,200
| -0.4% | -$209K |
|
507
CALL
iShares Gold Trust
IAU
$62.2B
| $48.3M | 0.02% |
548,300
+63,900
| +13% | +$5.86M |
|
508
CALL
Credo Technology Group
CRDO
$39.5B
| $48.2M | 0.02% |
513,800
+56,200
| +12% | +$6.84M |
|
509
CALL
DigitalOcean
DOCN
$13.9B
| $48.2M | 0.02% |
561,600
+137,000
| +32% | +$8.64M |
|
510
PUT
Comfort Systems
FIX
$60.3B
| $48.1M | 0.02% |
34,900
+6,000
| +21% | +$7.62M |
|
511
Pinduoduo
PDD
$122B
| $48M | 0.02% |
469,789
+122,171
| +35% | +$12.8M |
|
|
512
CALL
Nucor
NUE
$52.5B
| $47.9M | 0.02% |
283,500
+19,100
| +7% | +$3.33M |
|
513
PUT
Phillips 66
PSX
$83.7B
| $47.9M | 0.02% |
263,100
+128,000
| +95% | +$20.1M |
|
514
PUT
Dow Inc
DOW
$21.9B
| $47.9M | 0.02% |
1,149,500
-166,200
| -13% | -$5.27M |
|
515
CALL
Sea Limited
SE
$64.7B
| $47.9M | 0.02% |
578,100
+52,600
| +10% | +$5.64M |
|
|
516
PUT
Sea Limited
SE
$64.7B
| $47.9M | 0.02% |
578,000
+171,400
| +42% | +$18.4M |
|
517
CALL
Generac Holdings
GNRC
$12.6B
| $47.5M | 0.02% |
243,100
-59,500
| -20% | -$11.4M |
|
518
PUT
Expedia Group
EXPE
$31.8B
| $47.4M | 0.02% |
205,500
-15,800
| -7% | -$3.88M |
|
519
PUT
CVS Health
CVS
$137B
| $47.4M | 0.02% |
659,500
-370,800
| -36% | -$28.6M |
|
520
PUT
NextEra Energy
NEE
$184B
| $46.8M | 0.02% |
503,700
+2,300
| +0.5% | +$204K |
|
521
CALL
Constellation Brands
STZ
$22.9B
| $46.8M | 0.02% |
311,700
-97,900
| -24% | -$15.1M |
|
522
CALL
Interactive Brokers
IBKR
$40.8B
| $46.7M | 0.02% |
696,600
-206,100
| -23% | -$14.7M |
|
|
SPPP
523
Sprott Physical Platinum and Palladium Trust
SPPP
$562M
| $46.6M | 0.02% |
3,002,396
+803,590
| +37% | +$14.3M |
|
524
CALL
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$26.7B
| $46.6M | 0.02% |
75,600
-36,200
| -32% | -$22.9M |
|
525
CALL
ProShares Ultra S&P500
SSO
$7.9B
| $46.4M | 0.02% |
828,800
+172,600
| +26% | +$9.86M |
|
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.