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 | |
|---|---|---|---|---|---|---|
4426
CALL
Nexa Resources
NEXA
$1.7B
| $346K | ﹤0.01% |
+32,700
| New | +$377K |
|
4427
CALL
Gogo Inc
GOGO
$515M
| $346K | ﹤0.01% |
86,000
-16,800
| -16% | -$76.5K |
|
|
BKV
4428
CALL
BKV Corp
BKV
$2.79B
| $345K | ﹤0.01% |
+12,100
| New | +$351K |
|
4429
PUT
AMN Healthcare
AMN
$1.28B
| $345K | ﹤0.01% |
+18,800
| New | +$357K |
|
4430
CALL
Matsons
MATX
$6.37B
| $344K | ﹤0.01% |
+2,100
| New | +$327K |
|
4431
CALL
The Honest Company
HNST
$417M
| $344K | ﹤0.01% |
117,000
+14,100
| +14% | +$36.3K |
|
4432
ProShares Ether Strategy ETF
EETH
$54.2M
| $344K | ﹤0.01% |
+13,250
| New | +$395K |
|
4433
PUT
Telesat
TSAT
$570M
| $344K | ﹤0.01% |
+9,500
| New | +$306K |
|
4434
PUT
Perion Network
PERI
$367M
| $344K | ﹤0.01% |
34,400
-14,500
| -30% | -$131K |
|
4435
ETRACS 2x Leveraged US Value Factor TR ETN
IWDL
$19.5M
| $343K | ﹤0.01% |
+6,996
| New | +$361K |
|
4436
CALL
Manchester United
MANU
$3.91B
| $343K | ﹤0.01% |
20,400
+5,200
| +34% | +$88.6K |
|
4437
CALL
MaxLinear
MXL
$6.41B
| $343K | ﹤0.01% |
19,700
-41,700
| -68% | -$749K |
|
|
COHX
4438
Tradr 2X Long COHR Daily ETF
COHX
$61M
| $342K | ﹤0.01% |
+13,674
| New | +$420K |
|
4439
Oshkosh
OSK
$9.67B
| $342K | ﹤0.01% |
+2,325
| New | +$362K |
|
4440
CALL
iShares iBonds 2030 Term High Yield and Income ETF
IBHJ
$151M
| $342K | ﹤0.01% |
+3,400
| New | +$90.1K |
|
|
TMQ
4441
Trilogy Metals
TMQ
$522M
| $342K | ﹤0.01% |
95,257
+46,174
| +94% | +$211K |
|
|
ADUR
4442
Aduro Clean Technologies
ADUR
$458M
| $342K | ﹤0.01% |
+32,572
| New | +$385K |
|
|
PEW
4443
PUT
GrabAGun Digital Holdings
PEW
$68.5M
| $341K | ﹤0.01% |
+113,300
| New | +$343K |
|
4444
CALL
Jakks Pacific
JAKK
$280M
| $341K | ﹤0.01% |
+17,100
| New | +$332K |
|
4445
PUT
Aramark
ARMK
$15B
| $341K | ﹤0.01% |
8,400
-9,400
| -53% | -$373K |
|
4446
CALL
ARK Space & Defense Innovation ETF
ARKX
$802M
| $340K | ﹤0.01% |
+11,600
| New | +$371K |
|
4447
iShares MSCI Turkey ETF
TUR
$206M
| $340K | ﹤0.01% |
+8,804
| New | +$347K |
|
4448
CALL
A2Z Smart Technologies
AZ
$249M
| $340K | ﹤0.01% |
+51,000
| New | +$325K |
|
4449
PUT
Customers Bancorp
CUBI
$2.59B
| $340K | ﹤0.01% |
+4,900
| New | +$356K |
|
4450
CALL
QuidelOrtho
QDEL
$1.09B
| $340K | ﹤0.01% |
20,700
-1,200
| -5% | -$29.5K |
|
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.