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 | |
|---|---|---|---|---|---|---|
1326
CALL
Steel Dynamics
STLD
$33.2B
| $9.36M | ﹤0.01% |
52,000
-900
| -2% | -$164K |
|
1327
Generac Holdings
GNRC
$12.6B
| $9.36M | ﹤0.01% |
+47,903
| New | +$9.2M |
|
1328
PUT
Valaris
VAL
$5.19B
| $9.31M | ﹤0.01% |
95,000
+22,800
| +32% | +$1.78M |
|
1329
PUT
Unilever
UL
$133B
| $9.3M | ﹤0.01% |
163,300
+100,500
| +160% | +$6.74M |
|
1330
CALL
Cencora
COR
$59.1B
| $9.3M | ﹤0.01% |
29,600
-17,700
| -37% | -$6.18M |
|
1331
CALL
ACM Research
ACMR
$5.7B
| $9.3M | ﹤0.01% |
236,300
-53,400
| -18% | -$2.83M |
|
1332
PUT
Paychex
PAYX
$41B
| $9.29M | ﹤0.01% |
100,800
+43,700
| +77% | +$4.32M |
|
1333
PUT
PTC
PTC
$14.4B
| $9.28M | ﹤0.01% |
+65,100
| New | +$10.3M |
|
1334
CALL
United States Copper Index Fund
CPER
$743M
| $9.27M | ﹤0.01% |
269,300
+173,300
| +181% | +$6.19M |
|
1335
PUT
DexCom
DXCM
$29.2B
| $9.26M | ﹤0.01% |
147,500
-20,600
| -12% | -$1.43M |
|
1336
PUT
Pool Corp
POOL
$7.33B
| $9.23M | ﹤0.01% |
45,600
+17,800
| +64% | +$4.2M |
|
1337
CALL
Dover
DOV
$28.2B
| $9.21M | ﹤0.01% |
44,200
+23,700
| +116% | +$5.07M |
|
1338
CALL
TTM Technologies
TTMI
$13.8B
| $9.21M | ﹤0.01% |
94,500
+35,900
| +61% | +$3.42M |
|
|
ETOR
1339
CALL
eToro Group
ETOR
$2.92B
| $9.2M | ﹤0.01% |
306,500
+223,500
| +269% | +$6.83M |
|
1340
PUT
Watsco Inc
WSO
$15.3B
| $9.2M | ﹤0.01% |
+25,300
| New | +$9.8M |
|
|
SA
1341
PUT
Seabridge Gold
SA
$2.67B
| $9.19M | ﹤0.01% |
324,300
+50,900
| +19% | +$1.62M |
|
|
BNY
1342
PUT
Bank of New York Mellon
BNY
$108B
| $9.18M | ﹤0.01% |
77,400
-66,300
| -46% | -$7.88M |
|
1343
Roblox
RBLX
$38.1B
| $9.16M | ﹤0.01% |
161,968
+79,872
| +97% | +$5.36M |
|
1344
Fastly Inc
FSLY
$3.2B
| $9.16M | ﹤0.01% |
315,110
+219,662
| +230% | +$3.61M |
|
1345
UiPath
PATH
$6.3B
| $9.15M | ﹤0.01% |
824,472
-150,718
| -15% | -$1.92M |
|
1346
PUT
Bilibili
BILI
$7.7B
| $9.15M | ﹤0.01% |
405,400
+94,900
| +31% | +$2.73M |
|
1347
CALL
J.M. Smucker
SJM
$12B
| $9.14M | ﹤0.01% |
94,800
+6,600
| +7% | +$691K |
|
1348
CALL
Warrior Met Coal
HCC
$4.17B
| $9.12M | ﹤0.01% |
97,900
+8,200
| +9% | +$738K |
|
1349
PUT
Brookfield Asset Management
BAM
$75.6B
| $9.08M | ﹤0.01% |
204,300
+185,800
| +1,004% | +$9.07M |
|
|
CNR
1350
CALL
Core Natural Resources Inc
CNR
$4.23B
| $9.08M | ﹤0.01% |
86,700
+48,300
| +126% | +$4.6M |
|
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.