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 | |
|---|---|---|---|---|---|---|
2476
PUT
Credit Acceptance
CACC
$6.36B
| $2.2M | ﹤0.01% |
+5,200
| New | +$2.45M |
|
2477
CALL
TransUnion
TRU
$14.6B
| $2.2M | ﹤0.01% |
31,800
-70,700
| -69% | -$5.41M |
|
2478
CALL
Hudbay
HBM
$10.3B
| $2.2M | ﹤0.01% |
105,200
+400
| +0.4% | +$9.35K |
|
2479
State Street SPDR S&P Bank ETF
KBE
$1.64B
| $2.19M | ﹤0.01% |
36,834
+11,212
| +44% | +$698K |
|
2480
PUT
Viatris
VTRS
$20.1B
| $2.19M | ﹤0.01% |
162,200
+52,100
| +47% | +$729K |
|
2481
ProShares UltraShort Dow 30
DXD
$44.3M
| $2.19M | ﹤0.01% |
+99,488
| New | +$2.02M |
|
2482
CALL
BlackBerry
BB
$5.2B
| $2.19M | ﹤0.01% |
675,500
-10,100
| -1% | -$35.7K |
|
|
ARR
2483
CALL
Armour Residential REIT
ARR
$2.05B
| $2.18M | ﹤0.01% |
130,700
+20,500
| +19% | +$362K |
|
2484
PUT
Sweetgreen
SG
$832M
| $2.18M | ﹤0.01% |
420,000
-100,300
| -19% | -$610K |
|
2485
PUT
Zimmer Biomet
ZBH
$17.3B
| $2.18M | ﹤0.01% |
24,100
-4,200
| -15% | -$385K |
|
2486
PUT
AAR Corp
AIR
$5.61B
| $2.18M | ﹤0.01% |
+19,900
| New | +$2.14M |
|
2487
PUT
Goodyear
GT
$2.11B
| $2.17M | ﹤0.01% |
326,900
-55,400
| -14% | -$467K |
|
2488
CALL
Galicia Financial Group
GGAL
$8.16B
| $2.17M | ﹤0.01% |
46,400
-165,100
| -78% | -$8.02M |
|
2489
PUT
Amcor
AMCR
$20.2B
| $2.17M | ﹤0.01% |
54,500
+46,400
| +573% | +$2.05M |
|
2490
PUT
CVR Energy
CVI
$3.47B
| $2.16M | ﹤0.01% |
64,300
+36,200
| +129% | +$931K |
|
2491
CALL
AXIS Capital
AXS
$8.43B
| $2.16M | ﹤0.01% |
21,300
-104,800
| -83% | -$10.8M |
|
2492
CALL
Global E Online
GLBE
$5.92B
| $2.16M | ﹤0.01% |
70,000
-8,100
| -10% | -$285K |
|
2493
CALL
Brown & Brown
BRO
$22.5B
| $2.16M | ﹤0.01% |
+33,100
| New | +$2.39M |
|
2494
CALL
Kodiak Gas Services
KGS
$6.63B
| $2.16M | ﹤0.01% |
37,000
-53,900
| -59% | -$2.62M |
|
|
TSSI
2495
CALL
TSS Inc
TSSI
$273M
| $2.16M | ﹤0.01% |
165,700
-12,500
| -7% | -$126K |
|
2496
Align Technology
ALGN
$12.7B
| $2.15M | ﹤0.01% |
12,551
-25,422
| -67% | -$4.45M |
|
2497
CALL
UWM Holdings
UWMC
$638M
| $2.15M | ﹤0.01% |
593,500
+191,800
| +48% | +$883K |
|
2498
CALL
Allegiant Air
ALGT
$2.73B
| $2.15M | ﹤0.01% |
26,500
+10,700
| +68% | +$984K |
|
2499
PUT
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$261M
| $2.14M | ﹤0.01% |
61,500
-32,200
| -34% | -$1.35M |
|
2500
CALL
WisdomTree US Total Dividend Fund
DTD
$1.64B
| $2.14M | ﹤0.01% |
+13,500
| New | +$1.19M |
|
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.