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 | |
|---|---|---|---|---|---|---|
851
Western Digital
WDC
$189B
| $20.4M | 0.01% |
+75,502
| New | +$19.7M |
|
852
PUT
Elbit Systems
ESLT
$36.3B
| $20.4M | 0.01% |
+24,000
| New | +$18.5M |
|
853
CALL
Powell Industries
POWL
$8.64B
| $20.3M | 0.01% |
112,800
+13,200
| +13% | +$2.16M |
|
854
PUT
Deckers Outdoor
DECK
$14.4B
| $20.3M | 0.01% |
203,100
-42,400
| -17% | -$4.55M |
|
855
PUT
Colgate-Palmolive
CL
$72.3B
| $20.2M | 0.01% |
237,400
-403,300
| -63% | -$35.9M |
|
856
CALL
Nextpower Inc
NXT
$16.3B
| $20.2M | 0.01% |
167,700
-232,000
| -58% | -$25.7M |
|
857
CALL
Peabody Energy
BTU
$2.85B
| $20.2M | 0.01% |
613,200
-341,600
| -36% | -$11.9M |
|
858
CALL
Carpenter Technology
CRS
$28.7B
| $20.1M | 0.01% |
51,100
+25,300
| +98% | +$9.21M |
|
859
PUT
General Mills
GIS
$19.9B
| $20.1M | 0.01% |
540,900
+221,800
| +70% | +$9.63M |
|
860
PUT
Dollar Tree
DLTR
$24.3B
| $20.1M | 0.01% |
183,800
-235,200
| -56% | -$28.7M |
|
861
PUT
TKO Group
TKO
$13.5B
| $20.1M | 0.01% |
99,700
+18,100
| +22% | +$3.7M |
|
862
CALL
Antero Resources
AR
$10.4B
| $20.1M | 0.01% |
473,200
-129,200
| -21% | -$4.72M |
|
863
CALL
BHP
BHP
$210B
| $20M | 0.01% |
275,600
+176,300
| +178% | +$12.5M |
|
864
CALL
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$108M
| $20M | 0.01% |
612,800
+47,900
| +8% | +$1.66M |
|
865
PUT
Southwest Airlines
LUV
$23.7B
| $20M | 0.01% |
531,700
+44,700
| +9% | +$2.02M |
|
866
CALL
Toast
TOST
$17.7B
| $19.9M | 0.01% |
752,200
+113,200
| +18% | +$3.38M |
|
867
CALL
Mondelez International
MDLZ
$76.5B
| $19.9M | 0.01% |
345,800
+149,700
| +76% | +$8.67M |
|
868
CALL
Lennar Class A
LEN
$19.8B
| $19.9M | 0.01% |
228,600
-90,400
| -28% | -$9.77M |
|
869
CALL
Stryker
SYK
$121B
| $19.8M | 0.01% |
60,400
+16,900
| +39% | +$6.07M |
|
870
PUT
Gilead Sciences
GILD
$162B
| $19.8M | 0.01% |
142,300
-21,100
| -13% | -$2.95M |
|
871
PUT
Jabil
JBL
$33.3B
| $19.8M | 0.01% |
74,600
-30,200
| -29% | -$7.61M |
|
872
CALL
ON Semiconductor
ON
$35.3B
| $19.8M | 0.01% |
319,600
-110,700
| -26% | -$6.95M |
|
873
PUT
Centrus Energy
LEU
$3.28B
| $19.8M | 0.01% |
114,000
-88,100
| -44% | -$21.2M |
|
874
CALL
Simon Property Group
SPG
$74B
| $19.7M | 0.01% |
105,400
-16,500
| -14% | -$3.15M |
|
875
PUT
argenx
ARGX
$54.3B
| $19.5M | 0.01% |
26,700
+14,600
| +121% | +$11.4M |
|
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.