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 | |
|---|---|---|---|---|---|---|
401
CALL
CVS Health
CVS
$137B
| $68.6M | 0.02% |
955,300
-60,600
| -6% | -$4.67M |
|
402
ASML
ASML
$671B
| $68.5M | 0.02% |
+51,869
| New | +$71.1M |
|
|
NVO
403
PUT
Novo Nordisk
NVO
$223B
| $68.1M | 0.02% |
1,854,400
+385,700
| +26% | +$18.3M |
|
404
CALL
Royal Caribbean
RCL
$77B
| $67.7M | 0.02% |
246,100
+38,200
| +18% | +$11.4M |
|
|
AXON
405
CALL
Axon Enterprise
AXON
$41.1B
| $67.7M | 0.02% |
159,300
+6,000
| +4% | +$3.12M |
|
406
CALL
Roblox
RBLX
$37B
| $67.6M | 0.02% |
1,195,500
-165,800
| -12% | -$11.1M |
|
407
CALL
S&P Global
SPGI
$133B
| $67.5M | 0.02% |
158,700
+57,800
| +57% | +$26.8M |
|
408
PUT
Astera Labs
ALAB
$52B
| $66.1M | 0.02% |
603,500
-72,800
| -11% | -$10.4M |
|
409
CALL
Cameco
CCJ
$37.3B
| $65.9M | 0.02% |
606,900
+61,300
| +11% | +$7.02M |
|
410
PUT
Carnival Corporation Ltd
CCL
$36.2B
| $65.8M | 0.02% |
2,542,900
-214,100
| -8% | -$6.24M |
|
411
Lumentum
LITE
$57B
| $65.7M | 0.02% |
+93,519
| New | +$51.4M |
|
412
PUT
Zoom
ZM
$26.7B
| $65.4M | 0.02% |
813,100
+153,500
| +23% | +$12.9M |
|
|
413
CALL
Zoom
ZM
$26.7B
| $65.3M | 0.02% |
812,700
+4,400
| +0.5% | +$369K |
|
414
PUT
Accenture
ACN
$87.9B
| $65.3M | 0.02% |
329,100
+69,500
| +27% | +$16.2M |
|
415
ProShares UltraPro Short QQQ
SQQQ
$2.36B
| $65.1M | 0.02% |
809,094
+588,799
| +267% | +$41.8M |
|
416
CALL
Northrop Grumman
NOC
$74.1B
| $64.7M | 0.02% |
94,900
+15,300
| +19% | +$10.6M |
|
417
PUT
Fair Isaac
FICO
$29.2B
| $64.3M | 0.02% |
60,200
+29,300
| +95% | +$40.2M |
|
418
CALL
TJX Companies
TJX
$171B
| $64.2M | 0.02% |
401,700
+46,400
| +13% | +$7.23M |
|
419
CALL
Apollo Global Management
APO
$69.5B
| $64.1M | 0.02% |
575,000
+208,800
| +57% | +$25.9M |
|
420
VanEck Gold Miners ETF
GDX
$21.8B
| $64.1M | 0.02% |
697,975
+646,817
| +1,264% | +$63.7M |
|
421
CALL
Cardinal Health
CAH
$53.5B
| $64M | 0.02% |
303,100
+203,500
| +204% | +$43.8M |
|
422
PUT
Lowe's Companies
LOW
$117B
| $64M | 0.02% |
270,700
-25,900
| -9% | -$6.75M |
|
423
CALL
Amgen
AMGN
$198B
| $63.7M | 0.02% |
181,000
-34,100
| -16% | -$12.2M |
|
424
CALL
State Street Industrial Select Sector SPDR ETF
XLI
$33.3B
| $63.4M | 0.02% |
392,200
+150,500
| +62% | +$25.3M |
|
|
AXON
425
PUT
Axon Enterprise
AXON
$41.1B
| $63.3M | 0.02% |
149,000
+9,600
| +7% | +$4.99M |
|
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.