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 | |
|---|---|---|---|---|---|---|
|
OPRA
2826
PUT
Opera Ltd
OPRA
$1.76B
| $1.55M | ﹤0.01% |
109,000
+88,800
| +440% | +$1.23M |
|
2827
CALL
Western Union
WU
$2.63B
| $1.55M | ﹤0.01% |
177,800
-139,700
| -44% | -$1.32M |
|
2828
PUT
Millicom
TIGO
$16.5B
| $1.55M | ﹤0.01% |
20,700
+5,800
| +39% | +$380K |
|
2829
GameStop
GME
$9.73B
| $1.55M | ﹤0.01% |
67,263
+4,880
| +8% | +$113K |
|
2830
CALL
Church & Dwight Co
CHD
$22.6B
| $1.55M | ﹤0.01% |
16,600
-11,200
| -40% | -$1.08M |
|
|
HIMX
2831
PUT
Himax Technologies
HIMX
$2.38B
| $1.55M | ﹤0.01% |
196,800
+124,200
| +171% | +$1.02M |
|
|
JPGE
2832
PUT
DELISTED
JPMorgan Diversified Return Global Equity ETF
JPGE
| $1.55M | ﹤0.01% |
27,300
+2,800
| +11% | +$159K |
|
2833
PUT
Yeti Holdings
YETI
$3.87B
| $1.54M | ﹤0.01% |
42,200
-106,100
| -72% | -$4.67M |
|
2834
PUT
iPath Series B S&P 500 VIX Mid-Term Futures ETN
VXZ
$30.7M
| $1.54M | ﹤0.01% |
25,500
+1,100
| +5% | +$60.8K |
|
2835
CALL
Principal Financial Group
PFG
$23.7B
| $1.54M | ﹤0.01% |
17,100
-300
| -2% | -$27.4K |
|
2836
PUT
Deutsche Bank
DB
$68B
| $1.54M | ﹤0.01% |
51,700
+5,900
| +13% | +$208K |
|
2837
PUT
TPG
TPG
$6.92B
| $1.54M | ﹤0.01% |
38,000
+18,600
| +96% | +$954K |
|
2838
Coca-Cola Consolidated
COKE
$12.1B
| $1.54M | ﹤0.01% |
+8,025
| New | +$1.41M |
|
2839
PUT
Flowserve
FLS
$8.68B
| $1.54M | ﹤0.01% |
20,900
+8,200
| +65% | +$649K |
|
2840
Invesco Bloomberg Pricing Power ETF
POWA
$173M
| $1.53M | ﹤0.01% |
17,801
+1,473
| +9% | +$134K |
|
|
RZLV
2841
CALL
Rezolve AI
RZLV
$957M
| $1.53M | ﹤0.01% |
598,600
+161,100
| +37% | +$454K |
|
2842
PUT
BlackSky Technology
BKSY
$869M
| $1.53M | ﹤0.01% |
60,800
-2,900
| -5% | -$69.3K |
|
2843
GitLab
GTLB
$5.49B
| $1.53M | ﹤0.01% |
70,579
+4,079
| +6% | +$119K |
|
2844
PUT
LKQ Corp
LKQ
$6.39B
| $1.53M | ﹤0.01% |
+52,000
| New | +$1.67M |
|
2845
CALL
CNX Resources
CNX
$4.69B
| $1.53M | ﹤0.01% |
39,600
+11,000
| +38% | +$429K |
|
2846
CALL
Shoals Technologies Group
SHLS
$1.7B
| $1.53M | ﹤0.01% |
231,900
-19,300
| -8% | -$158K |
|
2847
Bilibili
BILI
$7.68B
| $1.52M | ﹤0.01% |
67,529
-5,278
| -7% | -$152K |
|
2848
CALL
Oceaneering
OII
$4.44B
| $1.52M | ﹤0.01% |
+42,800
| New | +$1.38M |
|
2849
CALL
Bio-Techne
TECH
$11.2B
| $1.52M | ﹤0.01% |
29,000
+4,700
| +19% | +$282K |
|
2850
eBay
EBAY
$50.1B
| $1.52M | ﹤0.01% |
+16,648
| New | +$1.5M |
|
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.