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 | |
|---|---|---|---|---|---|---|
4951
CALL
XPEL
XPEL
$1.18B
| $212K | ﹤0.01% |
+4,800
| New | +$229K |
|
4952
CALL
Pacific Biosciences
PACB
$422M
| $212K | ﹤0.01% |
160,900
-103,200
| -39% | -$185K |
|
4953
PUT
10x Genomics
TXG
$5.87B
| $212K | ﹤0.01% |
10,000
-6,300
| -39% | -$126K |
|
4954
Citi Trends
CTRN
$524M
| $212K | ﹤0.01% |
+4,896
| New | +$223K |
|
4955
CALL
Arlo Technologies
ARLO
$1.4B
| $212K | ﹤0.01% |
+14,900
| New | +$199K |
|
4956
PUT
Macerich
MAC
$7.32B
| $212K | ﹤0.01% |
+11,200
| New | +$212K |
|
|
HOLX
4957
PUT
DELISTED
Hologic
HOLX
| $212K | ﹤0.01% |
+2,800
| New | +$211K |
|
4958
MoonLake Immunotherapeutics
MLTX
$1.59B
| $212K | ﹤0.01% |
11,352
-25,116
| -69% | -$416K |
|
4959
PUT
Grindr
GRND
$2.64B
| $212K | ﹤0.01% |
17,500
-45,500
| -72% | -$536K |
|
4960
CALL
Tiptree Inc
TIPT
$668M
| $212K | ﹤0.01% |
+12,500
| New | +$214K |
|
4961
CALL
Imperial Petroleum
IMPP
$215M
| $211K | ﹤0.01% |
+49,400
| New | +$197K |
|
4962
CALL
Richardson Electronics
RELL
$261M
| $211K | ﹤0.01% |
+19,300
| New | +$226K |
|
4963
United Microelectronic
UMC
$48.9B
| $211K | ﹤0.01% |
+23,529
| New | +$229K |
|
|
WCN
4964
PUT
Waste Connections
WCN
$42.8B
| $211K | ﹤0.01% |
+1,300
| New | +$217K |
|
4965
SFL Corp
SFL
$1.59B
| $211K | ﹤0.01% |
+19,554
| New | +$189K |
|
4966
PUT
Trustmark
TRMK
$2.73B
| $211K | ﹤0.01% |
+5,000
| New | +$211K |
|
4967
CALL
Navigator Holdings
NVGS
$1.34B
| $211K | ﹤0.01% |
+10,900
| New | +$207K |
|
4968
PUT
First Trust Capital Strength ETF
FTCS
$7.88B
| $211K | ﹤0.01% |
+900
| New | +$86.3K |
|
4969
CALL
Payoneer
PAYO
$2.41B
| $210K | ﹤0.01% |
43,500
-21,300
| -33% | -$112K |
|
4970
CALL
NeoGenomics
NEO
$1.81B
| $210K | ﹤0.01% |
28,300
-15,300
| -35% | -$161K |
|
|
TWO
4971
Two Harbors Investment
TWO
$1.27B
| $210K | ﹤0.01% |
+18,377
| New | +$206K |
|
4972
ProShares UltraShort Health Care
RXD
$3.25M
| $209K | ﹤0.01% |
+10,291
| New | +$190K |
|
|
FINV
4973
PUT
FinVolution Group
FINV
$1.12B
| $208K | ﹤0.01% |
43,500
-22,800
| -34% | -$121K |
|
4974
PUT
DoubleVerify
DV
$1.62B
| $208K | ﹤0.01% |
+21,900
| New | +$224K |
|
4975
NEOS Nasdaq 100 High Income ETF
QQQI
$12.6B
| $208K | ﹤0.01% |
+4,186
| New | +$220K |
|
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.