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 | |
|---|---|---|---|---|---|---|
|
GTM
2976
CALL
ZoomInfo Technologies
GTM
$890M
| $1.34M | ﹤0.01% |
224,500
+77,700
| +53% | +$571K |
|
2977
PUT
Pentair
PNR
$9.94B
| $1.34M | ﹤0.01% |
+15,400
| New | +$1.51M |
|
2978
CALL
Hertz
HTZ
$584M
| $1.34M | ﹤0.01% |
290,200
-374,400
| -56% | -$1.81M |
|
2979
Vicor
VICR
$9.79B
| $1.34M | ﹤0.01% |
8,309
-18,343
| -69% | -$3.03M |
|
2980
PUT
Carlisle Companies
CSL
$13.1B
| $1.33M | ﹤0.01% |
+4,000
| New | +$1.46M |
|
2981
CALL
Thor Industries
THO
$3.92B
| $1.33M | ﹤0.01% |
16,700
-14,400
| -46% | -$1.47M |
|
2982
CALL
United States Gasoline Fund
UGA
$140M
| $1.33M | ﹤0.01% |
+12,900
| New | +$991K |
|
2983
Global X Defense Tech ETF
SHLD
$6.76B
| $1.33M | ﹤0.01% |
18,765
+7,021
| +60% | +$523K |
|
2984
Paycom
PAYC
$6.72B
| $1.33M | ﹤0.01% |
+10,933
| New | +$1.46M |
|
2985
CALL
Vita Coco
COCO
$4.33B
| $1.33M | ﹤0.01% |
+27,700
| New | +$1.51M |
|
2986
Axsome Therapeutics
AXSM
$12.2B
| $1.33M | ﹤0.01% |
+7,847
| New | +$1.36M |
|
2987
CALL
First Trust Consumer Discretionary AlphaDEX Fund
FXD
$264M
| $1.33M | ﹤0.01% |
+18,100
| New | +$1.24M |
|
|
OMDA
2988
CALL
Omada Health Inc
OMDA
$1.37B
| $1.32M | ﹤0.01% |
+105,400
| New | +$1.46M |
|
2989
PUT
Remitly
RELY
$5.02B
| $1.32M | ﹤0.01% |
84,200
+54,700
| +185% | +$809K |
|
2990
PUT
Halozyme
HALO
$9.32B
| $1.32M | ﹤0.01% |
20,400
-1,300
| -6% | -$91.6K |
|
2991
Ambarella
AMBA
$3.13B
| $1.32M | ﹤0.01% |
25,608
-18,749
| -42% | -$1.17M |
|
2992
GraniteShares 2x Short TSLA Daily ETF
TSDD
$29M
| $1.32M | ﹤0.01% |
126,083
+46,502
| +58% | +$415K |
|
2993
CALL
IMAX
IMAX
$2.08B
| $1.32M | ﹤0.01% |
34,600
+5,600
| +19% | +$208K |
|
|
XIFR
2994
PUT
XPLR Infrastructure LP
XIFR
$1.15B
| $1.31M | ﹤0.01% |
123,800
-68,800
| -36% | -$708K |
|
2995
PUT
Equifax
EFX
$20.6B
| $1.31M | ﹤0.01% |
7,300
-12,100
| -62% | -$2.4M |
|
2996
CALL
Patterson-UTI
PTEN
$4B
| $1.31M | ﹤0.01% |
121,300
-66,500
| -35% | -$569K |
|
2997
PUT
Northern Oil and Gas
NOG
$2.38B
| $1.31M | ﹤0.01% |
44,900
-21,200
| -32% | -$549K |
|
2998
CALL
Satellogic
SATL
$578M
| $1.31M | ﹤0.01% |
+240,700
| New | +$887K |
|
2999
PUT
Par Pacific Holdings
PARR
$4.03B
| $1.31M | ﹤0.01% |
+20,900
| New | +$936K |
|
|
KLAR
3000
CALL
Klarna Group
KLAR
$7.2B
| $1.31M | ﹤0.01% |
100,000
-3,600
| -3% | -$71.3K |
|
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.