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 | |
|---|---|---|---|---|---|---|
2276
CALL
Qiagen
QGEN
$8.36B
| $2.8M | ﹤0.01% |
+69,900
| New | +$3.31M |
|
2277
PUT
Maplebear
CART
$10.7B
| $2.8M | ﹤0.01% |
74,700
-83,700
| -53% | -$3.18M |
|
2278
PUT
BigBear.ai
BBAI
$1.41B
| $2.8M | ﹤0.01% |
794,800
-578,300
| -42% | -$2.69M |
|
|
GRAL
2279
PUT
GRAIL Inc
GRAL
$3.12B
| $2.8M | ﹤0.01% |
54,100
+30,200
| +126% | +$2.34M |
|
2280
PUT
Genuine Parts
GPC
$16.4B
| $2.79M | ﹤0.01% |
26,400
+14,200
| +116% | +$1.76M |
|
2281
CALL
Doximity
DOCS
$3.79B
| $2.79M | ﹤0.01% |
119,800
+33,400
| +39% | +$1.04M |
|
2282
CALL
US Foods
USFD
$20.9B
| $2.78M | ﹤0.01% |
30,200
+16,000
| +113% | +$1.42M |
|
2283
CALL
Better Home & Finance Holding
BETR
$446M
| $2.78M | ﹤0.01% |
78,100
+32,500
| +71% | +$1.04M |
|
2284
CALL
Xcel Energy
XEL
$49.1B
| $2.78M | ﹤0.01% |
35,000
-6,200
| -15% | -$486K |
|
2285
CALL
ScottsMiracle-Gro
SMG
$3.99B
| $2.78M | ﹤0.01% |
45,700
-41,800
| -48% | -$2.7M |
|
2286
PUT
CoStar Group
CSGP
$11.6B
| $2.78M | ﹤0.01% |
68,800
+36,300
| +112% | +$1.89M |
|
2287
CALL
Deutsche Bank
DB
$67.7B
| $2.77M | ﹤0.01% |
93,100
-82,700
| -47% | -$2.91M |
|
2288
PUT
Incyte
INCY
$23.5B
| $2.77M | ﹤0.01% |
29,400
-17,400
| -37% | -$1.74M |
|
|
NNE
2289
CALL
Nano Nuclear Energy
NNE
$902M
| $2.77M | ﹤0.01% |
135,100
-68,900
| -34% | -$1.88M |
|
2290
CALL
TD Synnex
SNX
$19.9B
| $2.77M | ﹤0.01% |
+16,400
| New | +$2.58M |
|
2291
CALL
Telephone and Data Systems
TDS
$3.85B
| $2.77M | ﹤0.01% |
65,700
+48,200
| +275% | +$2.12M |
|
2292
PUT
PACCAR
PCAR
$66.4B
| $2.76M | ﹤0.01% |
23,900
-37,800
| -61% | -$4.57M |
|
|
MUU
2293
Direxion Daily MU Bull 2X ETF
MUU
$5.69B
| $2.76M | ﹤0.01% |
+458,560
| New | +$4.05M |
|
2294
CALL
Hartford Financial Services
HIG
$38.9B
| $2.76M | ﹤0.01% |
20,400
+5,500
| +37% | +$751K |
|
2295
PUT
Chemours
CC
$2.69B
| $2.76M | ﹤0.01% |
125,200
-45,600
| -27% | -$794K |
|
2296
PUT
Repligen
RGEN
$7.73B
| $2.76M | ﹤0.01% |
23,400
-3,800
| -14% | -$531K |
|
2297
Transmedics
TMDX
$2.57B
| $2.75M | ﹤0.01% |
+27,692
| New | +$3.61M |
|
|
2298
PUT
Xcel Energy
XEL
$49.1B
| $2.75M | ﹤0.01% |
34,600
+8,500
| +33% | +$667K |
|
2299
PUT
Axsome Therapeutics
AXSM
$12.2B
| $2.74M | ﹤0.01% |
16,200
+4,500
| +38% | +$777K |
|
2300
PUT
Ouster
OUST
$2.74B
| $2.74M | ﹤0.01% |
149,000
+8,200
| +6% | +$179K |
|
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.