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 | |
|---|---|---|---|---|---|---|
2801
PUT
Turning Point Brands
TPB
$1.56B
| $1.59M | ﹤0.01% |
+18,300
| New | +$2.04M |
|
2802
CALL
Photronics
PLAB
$1.71B
| $1.59M | ﹤0.01% |
39,300
-57,100
| -59% | -$2.07M |
|
2803
Blackstone Secured Lending
BXSL
$5.46B
| $1.58M | ﹤0.01% |
+66,875
| New | +$1.67M |
|
2804
CALL
St. Joe Company
JOE
$3.46B
| $1.58M | ﹤0.01% |
25,200
+400
| +2% | +$26.8K |
|
2805
CALL
Norfolk Southern
NSC
$75.2B
| $1.58M | ﹤0.01% |
5,500
-13,400
| -71% | -$3.98M |
|
2806
CALL
Tradeweb Markets
TW
$21.4B
| $1.58M | ﹤0.01% |
+13,400
| New | +$1.53M |
|
|
PRMB
2807
CALL
Primo Brands
PRMB
$8.82B
| $1.57M | ﹤0.01% |
83,600
+49,300
| +144% | +$952K |
|
2808
Joby Aviation
JOBY
$7.35B
| $1.57M | ﹤0.01% |
190,547
+23,808
| +14% | +$268K |
|
2809
PUT
Insulet
PODD
$11.6B
| $1.57M | ﹤0.01% |
7,500
-14,300
| -66% | -$3.59M |
|
2810
CALL
Extra Space Storage
EXR
$31.1B
| $1.57M | ﹤0.01% |
+12,000
| New | +$1.69M |
|
2811
CALL
Rithm Capital
RITM
$5.14B
| $1.57M | ﹤0.01% |
165,900
+20,600
| +14% | +$216K |
|
2812
CALL
Lincoln Electric
LECO
$13.4B
| $1.57M | ﹤0.01% |
+6,300
| New | +$1.69M |
|
2813
CALL
PAR Technology
PAR
$676M
| $1.57M | ﹤0.01% |
117,700
+68,500
| +139% | +$1.61M |
|
|
AMTM
2814
CALL
Amentum Holdings
AMTM
$5.17B
| $1.56M | ﹤0.01% |
60,000
-4,000
| -6% | -$126K |
|
2815
IAMGOLD
IAG
$8.07B
| $1.56M | ﹤0.01% |
+83,039
| New | +$1.65M |
|
2816
ProShares Ultra Communication Services
LTL
$6.54M
| $1.56M | ﹤0.01% |
63,261
-162,002
| -72% | -$4.4M |
|
2817
CALL
Elanco Animal Health
ELAN
$12.6B
| $1.56M | ﹤0.01% |
65,300
-61,000
| -48% | -$1.49M |
|
2818
PUT
Cirrus Logic
CRUS
$6.9B
| $1.56M | ﹤0.01% |
+10,800
| New | +$1.45M |
|
|
CTRA
2819
PUT
DELISTED
Coterra Energy
CTRA
| $1.56M | ﹤0.01% |
44,400
-52,800
| -54% | -$1.59M |
|
2820
Unilever
UL
$133B
| $1.56M | ﹤0.01% |
+27,378
| New | +$1.84M |
|
2821
PUT
Dycom Industries
DY
$12.3B
| $1.56M | ﹤0.01% |
+4,600
| New | +$1.73M |
|
2822
CALL
Beazer Homes USA
BZH
$889M
| $1.56M | ﹤0.01% |
81,000
+19,500
| +32% | +$450K |
|
2823
CALL
Crane Co
CR
$12.6B
| $1.56M | ﹤0.01% |
+9,100
| New | +$1.75M |
|
2824
Cinemark Holdings
CNK
$3.73B
| $1.56M | ﹤0.01% |
+54,542
| New | +$1.4M |
|
|
ARR
2825
PUT
Armour Residential REIT
ARR
$2.03B
| $1.55M | ﹤0.01% |
93,200
+17,200
| +23% | +$304K |
|
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.