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 | |
|---|---|---|---|---|---|---|
4576
CALL
Sasol
SSL
$7.58B
| $303K | ﹤0.01% |
+23,400
| New | +$204K |
|
4577
CALL
Citi Trends
CTRN
$524M
| $303K | ﹤0.01% |
+7,000
| New | +$319K |
|
|
BETA
4578
CALL
Beta Technologies Inc
BETA
$4.2B
| $303K | ﹤0.01% |
20,600
-5,500
| -21% | -$113K |
|
4579
CALL
Movado Group
MOV
$812M
| $303K | ﹤0.01% |
+12,400
| New | +$294K |
|
4580
Sarepta Therapeutics
SRPT
$1.66B
| $302K | ﹤0.01% |
13,895
-29,397
| -68% | -$569K |
|
|
ETHV
4581
VanEck Ethereum ETF
ETHV
$94.5M
| $302K | ﹤0.01% |
+9,854
| New | +$345K |
|
4582
CALL
Insight Enterprises
NSIT
$3.55B
| $302K | ﹤0.01% |
+4,500
| New | +$368K |
|
4583
UL Solutions
ULS
$17.2B
| $301K | ﹤0.01% |
+3,517
| New | +$277K |
|
4584
PubMatic
PUBM
$581M
| $301K | ﹤0.01% |
+36,842
| New | +$283K |
|
4585
CALL
Rexford Industrial Realty
REXR
$8.7B
| $301K | ﹤0.01% |
+9,200
| New | +$345K |
|
|
MFA
4586
CALL
MFA Financial
MFA
$929M
| $300K | ﹤0.01% |
+31,300
| New | +$309K |
|
4587
Vanguard Mega Cap Growth ETF
MGK
$31.9B
| $300K | ﹤0.01% |
+4,080
| New | +$320K |
|
4588
CALL
Target Hospitality
TH
$1.61B
| $300K | ﹤0.01% |
32,300
-13,200
| -29% | -$105K |
|
4589
PUT
Columbus McKinnon
CMCO
$465M
| $299K | ﹤0.01% |
+20,600
| New | +$384K |
|
|
ONIT
4590
Onity Group
ONIT
$333M
| $299K | ﹤0.01% |
+7,620
| New | +$332K |
|
4591
PUT
Loews
L
$24.3B
| $299K | ﹤0.01% |
+2,800
| New | +$300K |
|
|
NKLR
4592
CALL
Terra Innovatum Global N.V.
NKLR
$558M
| $298K | ﹤0.01% |
+64,300
| New | +$315K |
|
4593
PUT
Leonardo DRS
DRS
$12.8B
| $298K | ﹤0.01% |
+6,700
| New | +$282K |
|
4594
GeneDx Holdings
WGS
$1.75B
| $298K | ﹤0.01% |
+4,643
| New | +$423K |
|
4595
PUT
Workiva
WK
$2.94B
| $298K | ﹤0.01% |
+5,000
| New | +$349K |
|
4596
PUT
Apple Hospitality REIT
APLE
$3.96B
| $298K | ﹤0.01% |
+25,900
| New | +$313K |
|
4597
CALL
Talos Energy
TALO
$2.49B
| $298K | ﹤0.01% |
18,900
-1,100
| -6% | -$14.1K |
|
4598
CALL
Clearwater Paper
CLW
$271M
| $298K | ﹤0.01% |
+20,700
| New | +$337K |
|
4599
CALL
Transportadora de Gas del Sur
TGS
$4.59B
| $298K | ﹤0.01% |
8,600
-4,100
| -32% | -$126K |
|
4600
PUT
ManpowerGroup
MAN
$2.39B
| $298K | ﹤0.01% |
10,100
-2,500
| -20% | -$74.3K |
|
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.