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 | |
|---|---|---|---|---|---|---|
|
NB
3451
PUT
NioCorp Developments
NB
$652M
| $843K | ﹤0.01% |
189,100
+71,200
| +60% | +$408K |
|
3452
CALL
Bakkt Inc
BKKT
$356M
| $843K | ﹤0.01% |
114,500
+15,800
| +16% | +$187K |
|
3453
PUT
Intrepid Potash
IPI
$468M
| $843K | ﹤0.01% |
+19,700
| New | +$708K |
|
3454
St. Joe Company
JOE
$3.55B
| $842K | ﹤0.01% |
+13,404
| New | +$897K |
|
3455
CALL
Universal Health Services
UHS
$9.04B
| $841K | ﹤0.01% |
4,700
-10,700
| -69% | -$2.2M |
|
3456
PUT
Meritage Homes
MTH
$4.82B
| $841K | ﹤0.01% |
13,600
+3,600
| +36% | +$254K |
|
|
ACLX
3457
CALL
DELISTED
Arcellx
ACLX
| $838K | ﹤0.01% |
7,300
-4,000
| -35% | -$353K |
|
3458
SPX Corp
SPXC
$11B
| $838K | ﹤0.01% |
+4,191
| New | +$900K |
|
3459
PUT
Advanced Drainage Systems
WMS
$10.9B
| $836K | ﹤0.01% |
+6,100
| New | +$944K |
|
3460
CALL
OR Royalties Inc
OR
$5.53B
| $836K | ﹤0.01% |
22,000
-72,900
| -77% | -$2.99M |
|
3461
CALL
Biohaven
BHVN
$2.22B
| $836K | ﹤0.01% |
98,800
+15,100
| +18% | +$165K |
|
3462
CALL
Varonis Systems
VRNS
$5.2B
| $835K | ﹤0.01% |
38,900
+24,100
| +163% | +$653K |
|
3463
PUT
Rexford Industrial Realty
REXR
$8.3B
| $835K | ﹤0.01% |
25,500
-6,100
| -19% | -$229K |
|
|
DX
3464
Dynex Capital
DX
$2.79B
| $834K | ﹤0.01% |
65,392
+42,564
| +186% | +$585K |
|
3465
ProShares Ultra Utilities
UPW
$18.6M
| $834K | ﹤0.01% |
33,657
+3,895
| +13% | +$92.6K |
|
3466
Direxion Daily Technology Bear 3x ETF
TECS
$72.7M
| $834K | ﹤0.01% |
+4,040
| New | +$735K |
|
3467
Keurig Dr Pepper
KDP
$41.1B
| $832K | ﹤0.01% |
31,614
-18,662
| -37% | -$523K |
|
3468
CALL
Kopin
KOPN
$695M
| $831K | ﹤0.01% |
369,200
+161,700
| +78% | +$391K |
|
3469
PUT
Cinemark Holdings
CNK
$3.77B
| $830K | ﹤0.01% |
29,100
-225,100
| -89% | -$5.76M |
|
|
SF
3470
CALL
Stifel
SF
$12.2B
| $828K | ﹤0.01% |
+11,200
| New | +$889K |
|
3471
CALL
Packaging Corp of America
PKG
$20.3B
| $828K | ﹤0.01% |
+3,900
| New | +$870K |
|
3472
CALL
Pinnacle Financial Partners Inc
PNFP
$14.7B
| $827K | ﹤0.01% |
+9,600
| New | +$893K |
|
|
PENG
3473
CALL
Penguin Solutions Inc
PENG
$3.03B
| $825K | ﹤0.01% |
46,900
+2,400
| +5% | +$45.7K |
|
|
CRWG
3474
Leverage Shares 2X Long CRWV Daily ETF
CRWG
$141M
| $824K | ﹤0.01% |
+34,768
| New | +$1.23M |
|
3475
CALL
Recursion Pharmaceuticals
RXRX
$1.58B
| $820K | ﹤0.01% |
267,200
+60,500
| +29% | +$234K |
|
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.