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 | |
|---|---|---|---|---|---|---|
426
CALL
Charter Communications
CHTR
$16.2B
| $63.1M | 0.02% |
292,200
-44,300
| -13% | -$9.6M |
|
427
PUT
ARK Innovation ETF
ARKK
$6.15B
| $62.9M | 0.02% |
930,400
-191,500
| -17% | -$14.2M |
|
|
TLN
428
CALL
Talen Energy Corp
TLN
$17.8B
| $62.8M | 0.02% |
196,600
+29,300
| +18% | +$10.3M |
|
429
PUT
Alcoa
AA
$11.6B
| $62.4M | 0.02% |
941,100
+176,100
| +23% | +$10.8M |
|
430
PUT
Okta
OKTA
$26B
| $62.2M | 0.02% |
790,800
+295,200
| +60% | +$24.5M |
|
431
PUT
Applied Optoelectronics
AAOI
$8.22B
| $62.2M | 0.02% |
735,500
+332,000
| +82% | +$21.2M |
|
432
Advanced Micro Devices
AMD
$808B
| $62.1M | 0.02% |
305,221
+198,710
| +187% | +$42.4M |
|
433
PUT
Lamb Weston
LW
$6.46B
| $62M | 0.02% |
1,467,000
+1,151,000
| +364% | +$51.4M |
|
434
PUT
DoorDash
DASH
$80.2B
| $61.5M | 0.02% |
409,500
-148,400
| -27% | -$27.4M |
|
435
CALL
Altria Group
MO
$124B
| $61.1M | 0.02% |
926,100
+388,100
| +72% | +$25M |
|
|
BMNR
436
PUT
BitMine Immersion Technologies
BMNR
$9.46B
| $61M | 0.02% |
3,086,200
+14,800
| +0.5% | +$349K |
|
437
PUT
Datadog
DDOG
$92.1B
| $60.5M | 0.02% |
512,800
-168,500
| -25% | -$20.8M |
|
438
CALL
Blackstone
BX
$155B
| $60.1M | 0.02% |
522,900
+155,800
| +42% | +$20.3M |
|
439
PUT
Apollo Global Management
APO
$69.5B
| $60.1M | 0.02% |
539,200
+133,200
| +33% | +$16.5M |
|
440
CALL
Marathon Petroleum
MPC
$91.3B
| $59.9M | 0.02% |
245,500
+91,000
| +59% | +$18.4M |
|
441
PUT
Union Pacific
UNP
$179B
| $59.8M | 0.02% |
246,600
+8,300
| +3% | +$2.03M |
|
442
PUT
General Motors
GM
$68.6B
| $59.8M | 0.02% |
802,100
-131,100
| -14% | -$10.4M |
|
|
PPLT
443
CALL
abrdn Physical Platinum Shares ETF
PPLT
$1.82B
| $59.7M | 0.02% |
3,351,000
+1,089,000
| +48% | +$21.8M |
|
444
PUT
SLB Ltd
SLB
$70.3B
| $59.5M | 0.02% |
1,157,900
+361,400
| +45% | +$17.5M |
|
|
ECHO
445
PUT
EchoStar
ECHO
$26.7B
| $59.5M | 0.02% |
508,000
+86,300
| +20% | +$9.9M |
|
446
PUT
TJX Companies
TJX
$171B
| $59.2M | 0.02% |
370,800
-47,900
| -11% | -$7.46M |
|
447
PUT
Take-Two Interactive
TTWO
$43.9B
| $59M | 0.02% |
298,500
-180,100
| -38% | -$39.2M |
|
448
CALL
Gilead Sciences
GILD
$167B
| $58.7M | 0.02% |
421,400
+152,100
| +56% | +$21.3M |
|
449
PUT
RH
RH
$3.56B
| $58.4M | 0.02% |
417,500
-26,500
| -6% | -$4.83M |
|
450
PUT
Northrop Grumman
NOC
$74.1B
| $58.2M | 0.02% |
85,300
-30,800
| -27% | -$21.3M |
|
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.