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 | |
|---|---|---|---|---|---|---|
626
PUT
Argan
AGX
$8.49B
| $35M | 0.01% |
64,300
+33,600
| +109% | +$13.7M |
|
627
CALL
IonQ
IONQ
$13.3B
| $35M | 0.01% |
1,213,600
+56,900
| +5% | +$2.18M |
|
628
PUT
Pan American Silver
PAAS
$18.7B
| $35M | 0.01% |
640,100
-48,400
| -7% | -$2.79M |
|
629
CALL
Equinix
EQIX
$101B
| $34.9M | 0.01% |
35,600
+12,600
| +55% | +$11.2M |
|
630
PUT
Estee Lauder
EL
$29.8B
| $34.9M | 0.01% |
485,900
+107,000
| +28% | +$10.9M |
|
631
CALL
Medtronic
MDT
$105B
| $34.8M | 0.01% |
401,900
+93,600
| +30% | +$8.97M |
|
632
CALL
Southern Company
SO
$106B
| $34.7M | 0.01% |
359,800
+116,700
| +48% | +$10.8M |
|
633
CALL
Kinder Morgan
KMI
$72B
| $34.7M | 0.01% |
1,035,200
+108,200
| +12% | +$3.38M |
|
|
EXE
634
CALL
Expand Energy Corp
EXE
$21.2B
| $34.7M | 0.01% |
315,700
+8,200
| +3% | +$876K |
|
635
PUT
Vertex Pharmaceuticals
VRTX
$122B
| $34.4M | 0.01% |
77,100
-21,000
| -21% | -$9.79M |
|
|
ETHA
636
PUT
iShares Ethereum Trust ETF
ETHA
$5.43B
| $34.4M | 0.01% |
2,174,100
-113,200
| -5% | -$2.05M |
|
637
CALL
Archer Daniels Midland
ADM
$41.5B
| $34.3M | 0.01% |
472,000
-10,100
| -2% | -$682K |
|
638
PUT
Trade Desk
TTD
$8.58B
| $34.2M | 0.01% |
1,506,700
+100,700
| +7% | +$2.91M |
|
639
CALL
Nutrien
NTR
$32.1B
| $33.9M | 0.01% |
449,700
+299,400
| +199% | +$21.3M |
|
640
CALL
Colgate-Palmolive
CL
$72.4B
| $33.9M | 0.01% |
397,200
+175,800
| +79% | +$15.7M |
|
641
CALL
Royal Gold
RGLD
$16.5B
| $33.8M | 0.01% |
132,900
-81,000
| -38% | -$21.5M |
|
642
CALL
Align Technology
ALGN
$12.7B
| $33.8M | 0.01% |
197,200
-56,500
| -22% | -$9.9M |
|
643
CALL
On Holding
ONON
$12.4B
| $33.5M | 0.01% |
984,200
+97,300
| +11% | +$4.25M |
|
644
PUT
DigitalOcean
DOCN
$16B
| $33.4M | 0.01% |
389,700
+201,400
| +107% | +$12.7M |
|
645
CALL
Golar LNG
GLNG
$5.06B
| $33.4M | 0.01% |
616,400
+505,400
| +455% | +$22.3M |
|
646
CALL
Unity
U
$13B
| $33.3M | 0.01% |
1,520,000
-1,240,000
| -45% | -$34.4M |
|
647
PUT
Ares Management
ARES
$27.2B
| $33.1M | 0.01% |
303,500
+224,100
| +282% | +$29.7M |
|
648
PUT
Core Scientific
CORZ
$7.63B
| $33M | 0.01% |
2,203,700
+952,700
| +76% | +$16.2M |
|
649
PUT
Avis
CAR
$5.73B
| $32.9M | 0.01% |
225,500
-316,000
| -58% | -$36M |
|
|
TLN
650
PUT
Talen Energy Corp
TLN
$17.5B
| $32.9M | 0.01% |
103,000
+7,300
| +8% | +$2.58M |
|
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.