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 | |
|---|---|---|---|---|---|---|
2226
PUT
Sibanye-Stillwater
SBSW
$6.08B
| $2.98M | ﹤0.01% |
242,200
-82,900
| -25% | -$1.29M |
|
2227
CALL
Zimmer Biomet
ZBH
$17.2B
| $2.98M | ﹤0.01% |
33,000
-1,000
| -3% | -$91.8K |
|
2228
PUT
Molson Coors Class B
TAP
$7.66B
| $2.97M | ﹤0.01% |
69,000
+31,800
| +85% | +$1.51M |
|
|
KEEL
2229
CALL
Keel Infrastructure Corp
KEEL
$2.81B
| $2.97M | ﹤0.01% |
1,523,200
-574,700
| -27% | -$1.35M |
|
2230
PUT
Globalstar
GSAT
$10.3B
| $2.97M | ﹤0.01% |
44,700
-105,200
| -70% | -$6.42M |
|
2231
CALL
ICICI Bank
IBN
$108B
| $2.97M | ﹤0.01% |
114,500
+65,500
| +134% | +$1.92M |
|
2232
SLB Ltd
SLB
$69.7B
| $2.96M | ﹤0.01% |
57,672
-122,803
| -68% | -$5.96M |
|
2233
Constellation Brands
STZ
$22.3B
| $2.96M | ﹤0.01% |
19,757
-104,983
| -84% | -$16.2M |
|
2234
Chemours
CC
$2.69B
| $2.96M | ﹤0.01% |
134,408
+85,485
| +175% | +$1.49M |
|
2235
PUT
Jones Lang LaSalle
JLL
$15.1B
| $2.95M | ﹤0.01% |
+9,700
| New | +$3.13M |
|
2236
PUT
Olin
OLN
$2.64B
| $2.94M | ﹤0.01% |
98,900
+200
| +0.2% | +$4.89K |
|
2237
Alcoa
AA
$11.7B
| $2.94M | ﹤0.01% |
+44,315
| New | +$2.72M |
|
2238
PUT
Noble Corp
NE
$6.8B
| $2.94M | ﹤0.01% |
59,900
-51,500
| -46% | -$2.1M |
|
2239
PUT
International Flavors & Fragrances
IFF
$19.5B
| $2.94M | ﹤0.01% |
40,500
-6,900
| -15% | -$506K |
|
2240
Tapestry
TPR
$28.7B
| $2.93M | ﹤0.01% |
20,794
-25,066
| -55% | -$3.55M |
|
|
ETH
2241
PUT
Grayscale Ethereum Staking Mini ETF Shares
ETH
$1.75B
| $2.93M | ﹤0.01% |
147,700
-20,200
| -12% | -$458K |
|
2242
CALL
KE Holdings
BEKE
$18.3B
| $2.93M | ﹤0.01% |
195,900
-237,300
| -55% | -$4.07M |
|
2243
CALL
Ecopetrol
EC
$34B
| $2.93M | ﹤0.01% |
+195,600
| New | +$2.48M |
|
2244
PUT
Mid-America Apartment Communities
MAA
$15.4B
| $2.93M | ﹤0.01% |
24,000
+7,900
| +49% | +$1.04M |
|
2245
Invesco Dorsey Wright Technology Momentum ETF
PTF
$684M
| $2.91M | ﹤0.01% |
33,697
+12,593
| +60% | +$1.1M |
|
2246
PUT
Consolidated Edison
ED
$40.5B
| $2.9M | ﹤0.01% |
25,600
-7,700
| -23% | -$834K |
|
|
SERV
2247
CALL
Serve Robotics
SERV
$458M
| $2.89M | ﹤0.01% |
342,900
-7,000
| -2% | -$75.7K |
|
2248
CALL
TransAlta
TAC
$4.42B
| $2.89M | ﹤0.01% |
220,800
+59,200
| +37% | +$763K |
|
2249
Sprouts Farmers Market
SFM
$7.02B
| $2.89M | ﹤0.01% |
37,485
+19,795
| +112% | +$1.48M |
|
2250
Petrobras
PBR
$119B
| $2.89M | ﹤0.01% |
139,331
+57,980
| +71% | +$927K |
|
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.