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 | |
|---|---|---|---|---|---|---|
1201
CALL
Illumina
ILMN
$28B
| $10.9M | ﹤0.01% |
88,400
-19,400
| -18% | -$2.55M |
|
1202
CALL
PBF Energy
PBF
$7.55B
| $10.9M | ﹤0.01% |
228,400
+46,300
| +25% | +$1.73M |
|
1203
PUT
Galicia Financial Group
GGAL
$7.97B
| $10.8M | ﹤0.01% |
231,800
+123,700
| +114% | +$6.01M |
|
1204
CALL
Monster Beverage
MNST
$93.8B
| $10.8M | ﹤0.01% |
149,200
+16,200
| +12% | +$1.28M |
|
1205
CALL
Truist Financial
TFC
$62.6B
| $10.8M | ﹤0.01% |
235,000
-108,800
| -32% | -$5.38M |
|
1206
PUT
ProShares Ultra S&P500
SSO
$7.97B
| $10.8M | ﹤0.01% |
205,600
-101,700
| -33% | -$5.81M |
|
1207
CALL
Ascendis Pharma A/S
ASND
$16.9B
| $10.8M | ﹤0.01% |
47,200
+21,900
| +87% | +$4.91M |
|
1208
CALL
Sterling Infrastructure
STRL
$20.1B
| $10.7M | ﹤0.01% |
26,300
-11,800
| -31% | -$4.61M |
|
1209
CALL
PennyMac Financial
PFSI
$4.36B
| $10.7M | ﹤0.01% |
122,500
+56,900
| +87% | +$6.12M |
|
|
PPL
1210
CALL
PPL Corp
PPL
$26.8B
| $10.7M | ﹤0.01% |
279,300
+112,900
| +68% | +$4.17M |
|
1211
PUT
Southern Copper
SCCO
$146B
| $10.7M | ﹤0.01% |
62,620
+20,145
| +47% | +$3.69M |
|
1212
CALL
Skyworks Solutions
SWKS
$8.97B
| $10.7M | ﹤0.01% |
198,900
-2,600
| -1% | -$151K |
|
1213
PUT
ProShares UltraShort S&P500
SDS
$399M
| $10.6M | ﹤0.01% |
141,400
+15,800
| +13% | +$1.1M |
|
1214
PUT
Rocket Companies
RKT
$40.2B
| $10.6M | ﹤0.01% |
746,600
+88,900
| +14% | +$1.62M |
|
1215
PUT
Campbell Soup
CPB
$6.53B
| $10.6M | ﹤0.01% |
477,100
+59,500
| +14% | +$1.53M |
|
|
IPFF
1216
PUT
DELISTED
iShares International Preferred Stock ETF
IPFF
| $10.6M | ﹤0.01% |
206,700
+90,000
| +77% | +$4.62M |
|
|
1217
PUT
PennyMac Financial
PFSI
$4.36B
| $10.6M | ﹤0.01% |
121,200
+62,600
| +107% | +$6.73M |
|
1218
CALL
Motorola Solutions
MSI
$68.4B
| $10.6M | ﹤0.01% |
24,400
+1,900
| +8% | +$823K |
|
1219
CALL
GSK
GSK
$101B
| $10.6M | ﹤0.01% |
191,400
-6,800
| -3% | -$368K |
|
1220
Hims & Hers Health
HIMS
$7.65B
| $10.6M | ﹤0.01% |
508,575
+269,680
| +113% | +$6.37M |
|
1221
CALL
Casey's General Stores
CASY
$32.1B
| $10.6M | ﹤0.01% |
+14,500
| New | +$9.45M |
|
1222
PUT
Sunrun
RUN
$2.76B
| $10.6M | ﹤0.01% |
778,200
-1,424,100
| -65% | -$23.7M |
|
1223
CALL
Novartis
NVS
$289B
| $10.5M | ﹤0.01% |
68,600
+3,500
| +5% | +$537K |
|
1224
CALL
XPO
XPO
$24.9B
| $10.5M | ﹤0.01% |
53,800
+600
| +1% | +$108K |
|
1225
PUT
XPeng
XPEV
$12.8B
| $10.5M | ﹤0.01% |
611,600
-399,200
| -39% | -$7.41M |
|
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.