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 | |
|---|---|---|---|---|---|---|
2401
PUT
Huntington Bancshares
HBAN
$36.8B
| $2.38M | ﹤0.01% |
152,300
+29,700
| +24% | +$507K |
|
|
APLS
2402
DELISTED
Apellis Pharmaceuticals
APLS
| $2.38M | ﹤0.01% |
59,232
+37,908
| +178% | +$817K |
|
2403
Direxion Daily Semiconductor Bear 3X ETF
SOXS
$1.53B
| $2.38M | ﹤0.01% |
5,969
+2,551
| +75% | +$1.02M |
|
2404
CALL
Commault Systems
CVLT
$6.07B
| $2.38M | ﹤0.01% |
30,500
+300
| +1% | +$28.5K |
|
2405
CALL
Qualys
QLYS
$5.04B
| $2.37M | ﹤0.01% |
+27,000
| New | +$2.99M |
|
2406
PUT
Sanofi
SNY
$105B
| $2.37M | ﹤0.01% |
49,100
-151,900
| -76% | -$7.08M |
|
|
XIFR
2407
CALL
XPLR Infrastructure LP
XIFR
$1.16B
| $2.37M | ﹤0.01% |
222,700
-45,400
| -17% | -$467K |
|
2408
Interactive Brokers
IBKR
$42B
| $2.36M | ﹤0.01% |
+35,153
| New | +$2.51M |
|
2409
PUT
Icon
ICLR
$12.9B
| $2.36M | ﹤0.01% |
+21,300
| New | +$2.91M |
|
2410
PUT
Canadian Solar
CSIQ
$1.03B
| $2.35M | ﹤0.01% |
169,900
-178,700
| -51% | -$3.4M |
|
2411
PUT
Lantheus
LNTH
$7B
| $2.35M | ﹤0.01% |
31,000
-12,800
| -29% | -$919K |
|
2412
CALL
Kodak
KODK
$758M
| $2.35M | ﹤0.01% |
259,400
+135,700
| +110% | +$1.04M |
|
2413
CALL
Ollie's Bargain Outlet
OLLI
$3.99B
| $2.35M | ﹤0.01% |
25,500
-7,700
| -23% | -$831K |
|
2414
Alphabet (Google) Class C
GOOG
$4.25T
| $2.35M | ﹤0.01% |
8,180
-142,740
| -95% | -$44.8M |
|
|
JOYY
2415
CALL
JOYY Inc
JOYY
$3.64B
| $2.34M | ﹤0.01% |
+40,100
| New | +$2.53M |
|
|
DQ
2416
PUT
Daqo New Energy
DQ
$809M
| $2.34M | ﹤0.01% |
110,000
-20,600
| -16% | -$502K |
|
2417
PUT
CACI
CACI
$9.8B
| $2.34M | ﹤0.01% |
+4,300
| New | +$2.59M |
|
2418
Nice
NICE
$5.45B
| $2.34M | ﹤0.01% |
21,192
-19,059
| -47% | -$2.18M |
|
|
HAPN
2419
CALL
Happen Inc
HAPN
$2.21B
| $2.33M | ﹤0.01% |
163,000
+58,300
| +56% | +$976K |
|
2420
CALL
Bitwise Bitcoin ETF
BITB
$2.55B
| $2.33M | ﹤0.01% |
63,400
-52,200
| -45% | -$2.17M |
|
2421
SK Telecom
SKM
$12.3B
| $2.33M | ﹤0.01% |
+79,550
| New | +$2.19M |
|
|
TUZ
2422
PUT
DELISTED
PIMCO 1-3 Year U.S. Treasury Index Exchange-Traded Fund
TUZ
| $2.33M | ﹤0.01% |
36,400
+22,100
| +155% | +$1.41M |
|
2423
PUT
Tilray
TLRY
$527M
| $2.33M | ﹤0.01% |
359,500
-270,500
| -43% | -$2.11M |
|
2424
Galicia Financial Group
GGAL
$8.12B
| $2.33M | ﹤0.01% |
+49,787
| New | +$2.42M |
|
|
BLSH
2425
Bullish
BLSH
$3.74B
| $2.32M | ﹤0.01% |
+65,033
| New | +$2.28M |
|
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.