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 | |
|---|---|---|---|---|---|---|
4451
CALL
iQIYI
IQ
$1.18B
| $340K | ﹤0.01% |
251,800
-1,175,100
| -82% | -$2.03M |
|
|
RNMN
4452
PUT
RiverNorth Market Neutral ETF
RNMN
$7.16M
| $339K | ﹤0.01% |
88,300
-25,900
| -23% | -$664K |
|
4453
PUT
NovoCure
NVCR
$2.04B
| $339K | ﹤0.01% |
31,100
-1,800
| -5% | -$22.5K |
|
4454
STAAR Surgical
STAA
$1.16B
| $339K | ﹤0.01% |
+18,110
| New | +$346K |
|
4455
VanEck Pharmaceutical ETF
PPH
$945M
| $338K | ﹤0.01% |
3,257
-13,292
| -80% | -$1.42M |
|
|
CAI
4456
PUT
Caris Life Sciences
CAI
$4.39B
| $338K | ﹤0.01% |
18,900
+5,700
| +43% | +$125K |
|
4457
CALL
Archrock
AROC
$6.33B
| $338K | ﹤0.01% |
+9,700
| New | +$310K |
|
4458
CALL
MINISO
MNSO
$3.64B
| $337K | ﹤0.01% |
20,800
-28,600
| -58% | -$524K |
|
4459
CALL
Woodside Energy
WDS
$42.9B
| $337K | ﹤0.01% |
14,100
-1,200
| -8% | -$23.3K |
|
4460
PUT
GoodRx Holdings
GDRX
$1B
| $337K | ﹤0.01% |
171,700
+80,100
| +87% | +$188K |
|
4461
PUT
Alphatec Holdings
ATEC
$1.27B
| $336K | ﹤0.01% |
30,900
+15,900
| +106% | +$231K |
|
4462
PUT
LGI Homes
LGIH
$1.4B
| $336K | ﹤0.01% |
+8,500
| New | +$414K |
|
|
BSOL
4463
CALL
Bitwise Solana Staking ETF
BSOL
$546M
| $336K | ﹤0.01% |
+30,400
| New | +$412K |
|
4464
PUT
HUB Group
HUBG
$3.01B
| $335K | ﹤0.01% |
+9,300
| New | +$393K |
|
|
4465
NovoCure
NVCR
$2.04B
| $335K | ﹤0.01% |
30,692
-11,217
| -27% | -$140K |
|
4466
PUT
PTC Therapeutics
PTCT
$6.37B
| $334K | ﹤0.01% |
+4,900
| New | +$347K |
|
4467
Schwab US Large-Cap Growth ETF
SCHG
$58.5B
| $334K | ﹤0.01% |
11,451
-8,691
| -43% | -$270K |
|
4468
PUT
O-I Glass
OI
$1.39B
| $333K | ﹤0.01% |
31,700
+8,600
| +37% | +$118K |
|
4469
Credicorp
BAP
$30.9B
| $333K | ﹤0.01% |
+982
| New | +$329K |
|
|
EFC
4470
PUT
Ellington Financial
EFC
$1.68B
| $333K | ﹤0.01% |
+28,100
| New | +$357K |
|
4471
H&R Block
HRB
$5.18B
| $332K | ﹤0.01% |
+10,475
| New | +$365K |
|
4472
PUT
MoonLake Immunotherapeutics
MLTX
$1.59B
| $332K | ﹤0.01% |
17,800
-19,200
| -52% | -$318K |
|
4473
ADT
ADT
$5.16B
| $332K | ﹤0.01% |
50,497
+11,498
| +29% | +$86.3K |
|
|
ADUR
4474
CALL
Aduro Clean Technologies
ADUR
$458M
| $331K | ﹤0.01% |
+31,600
| New | +$374K |
|
4475
PUT
Flowers Foods
FLO
$1.64B
| $331K | ﹤0.01% |
40,600
-1,700
| -4% | -$17.1K |
|
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.