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 | |
|---|---|---|---|---|---|---|
2676
Procter & Gamble
PG
$345B
| $1.8M | ﹤0.01% |
12,490
-86,551
| -87% | -$13.1M |
|
2677
CALL
Bentley Systems
BSY
$9.5B
| $1.8M | ﹤0.01% |
51,300
+35,400
| +223% | +$1.3M |
|
2678
AngloGold Ashanti
AU
$39.7B
| $1.8M | ﹤0.01% |
18,505
-17,775
| -49% | -$1.82M |
|
2679
CALL
Northern Trust
NTRS
$34.2B
| $1.8M | ﹤0.01% |
12,900
-3,200
| -20% | -$460K |
|
2680
PUT
Invesco CurrencyShares Japanese Yen Trust
FXY
$424M
| $1.8M | ﹤0.01% |
31,100
+5,500
| +21% | +$322K |
|
2681
ProShares UltraShort Semiconductors
SSG
$45.6M
| $1.8M | ﹤0.01% |
59,975
+27,680
| +86% | +$784K |
|
2682
CALL
MarketAxess Holdings
MKTX
$3.99B
| $1.8M | ﹤0.01% |
10,900
-3,700
| -25% | -$648K |
|
2683
CALL
Black Hills Corp
BKH
$5.66B
| $1.8M | ﹤0.01% |
25,900
+15,100
| +140% | +$1.09M |
|
2684
PUT
Itron
ITRI
$3.73B
| $1.79M | ﹤0.01% |
20,000
+9,600
| +92% | +$922K |
|
|
AUGO
2685
CALL
Aura Minerals Inc
AUGO
$4.58B
| $1.79M | ﹤0.01% |
21,900
+11,500
| +111% | +$806K |
|
2686
CALL
Lamar Advertising Co
LAMR
$16.2B
| $1.79M | ﹤0.01% |
+14,100
| New | +$1.85M |
|
2687
Compañía de Minas Buenaventura
BVN
$7.94B
| $1.78M | ﹤0.01% |
49,527
+37,317
| +306% | +$1.35M |
|
2688
CALL
Summit Therapeutics
SMMT
$11.4B
| $1.78M | ﹤0.01% |
94,000
+10,300
| +12% | +$167K |
|
2689
Wendy's
WEN
$1.45B
| $1.78M | ﹤0.01% |
256,317
-110,119
| -30% | -$847K |
|
2690
PUT
Vanguard Total International Stock ETF
VXUS
$155B
| $1.78M | ﹤0.01% |
23,100
+11,000
| +91% | +$873K |
|
2691
PUT
Brookfield
BN
$103B
| $1.78M | ﹤0.01% |
44,000
-200
| -0.5% | -$8.86K |
|
2692
CRH
CRH
$66.6B
| $1.78M | ﹤0.01% |
+16,889
| New | +$1.98M |
|
|
ORLA
2693
CALL
Orla Mining
ORLA
$3.4B
| $1.77M | ﹤0.01% |
109,700
+33,500
| +44% | +$556K |
|
2694
PUT
Blackstone Mortgage Trust
BXMT
$2.83B
| $1.77M | ﹤0.01% |
92,400
+23,100
| +33% | +$445K |
|
2695
PUT
PureCycle Technologies
PCT
$1.3B
| $1.77M | ﹤0.01% |
340,700
-280,800
| -45% | -$2.34M |
|
2696
CALL
Pitney Bowes
PBI
$2.5B
| $1.77M | ﹤0.01% |
159,900
+47,300
| +42% | +$496K |
|
2697
CALL
Aurora
AUR
$12.4B
| $1.77M | ﹤0.01% |
428,400
+76,600
| +22% | +$339K |
|
2698
PUT
Vanguard Mega Cap Growth ETF
MGK
$33B
| $1.76M | ﹤0.01% |
24,000
-28,000
| -54% | -$2.2M |
|
|
ETHE
2699
PUT
Grayscale Ethereum Staking ETF Shares
ETHE
$1.56B
| $1.76M | ﹤0.01% |
103,200
-75,700
| -42% | -$1.48M |
|
2700
PUT
US Foods
USFD
$20.9B
| $1.76M | ﹤0.01% |
19,100
-8,700
| -31% | -$771K |
|
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.