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 | |
|---|---|---|---|---|---|---|
1851
CALL
Boyd Gaming
BYD
$6.49B
| $4.58M | ﹤0.01% |
55,700
+9,800
| +21% | +$823K |
|
1852
PUT
Gartner
IT
$9.01B
| $4.58M | ﹤0.01% |
28,900
+10,500
| +57% | +$1.93M |
|
1853
Planet Labs
PL
$8.24B
| $4.57M | ﹤0.01% |
163,651
+118,975
| +266% | +$3.04M |
|
1854
CALL
Textron
TXT
$15.8B
| $4.56M | ﹤0.01% |
52,100
-20,900
| -29% | -$1.95M |
|
1855
CALL
DigitalBridge
DBRG
$2.93B
| $4.55M | ﹤0.01% |
294,800
-329,800
| -53% | -$5.08M |
|
1856
PUT
JetBlue
JBLU
$2B
| $4.54M | ﹤0.01% |
1,027,900
+175,600
| +21% | +$891K |
|
1857
Rocket Companies
RKT
$38.9B
| $4.54M | ﹤0.01% |
318,761
+157,944
| +98% | +$2.87M |
|
|
SOLS
1858
PUT
Solstice Advanced Materials
SOLS
$9.47B
| $4.54M | ﹤0.01% |
+59,600
| New | +$4.09M |
|
1859
PUT
Restaurant Brands International
QSR
$25.7B
| $4.54M | ﹤0.01% |
61,400
+33,400
| +119% | +$2.35M |
|
1860
PUT
SSR Mining
SSRM
$5.54B
| $4.54M | ﹤0.01% |
154,300
-1,600
| -1% | -$42.4K |
|
1861
PUT
Madison Square Garden
MSGS
$9.59B
| $4.53M | ﹤0.01% |
+14,100
| New | +$4.2M |
|
1862
PUT
Barclays
BCS
$94.6B
| $4.53M | ﹤0.01% |
214,100
+11,900
| +6% | +$290K |
|
1863
CALL
AGNC Investment
AGNC
$12.3B
| $4.53M | ﹤0.01% |
451,200
+225,500
| +100% | +$2.49M |
|
1864
Dollar Tree
DLTR
$24.2B
| $4.52M | ﹤0.01% |
+41,299
| New | +$5.05M |
|
1865
PUT
Starwood Property Trust
STWD
$6.17B
| $4.52M | ﹤0.01% |
262,200
-25,300
| -9% | -$454K |
|
1866
CALL
ProShares UltraShort S&P500
SDS
$395M
| $4.51M | ﹤0.01% |
60,000
-109,300
| -65% | -$7.59M |
|
|
1867
PUT
Boyd Gaming
BYD
$6.49B
| $4.51M | ﹤0.01% |
54,900
+4,500
| +9% | +$378K |
|
1868
PUT
Cracker Barrel
CBRL
$1.17B
| $4.49M | ﹤0.01% |
159,900
+26,600
| +20% | +$810K |
|
1869
CALL
Cheesecake Factory
CAKE
$4.31B
| $4.49M | ﹤0.01% |
82,000
-33,600
| -29% | -$2M |
|
1870
CALL
SentinelOne
S
$6.33B
| $4.49M | ﹤0.01% |
348,500
-280,700
| -45% | -$3.9M |
|
1871
Deckers Outdoor
DECK
$14.4B
| $4.48M | ﹤0.01% |
44,789
-89,778
| -67% | -$9.63M |
|
1872
PUT
Harrow
HROW
$1.65B
| $4.48M | ﹤0.01% |
127,000
+7,500
| +6% | +$330K |
|
1873
CALL
Yum China
YUMC
$14.7B
| $4.48M | ﹤0.01% |
91,800
-12,500
| -12% | -$647K |
|
1874
PUT
Western Alliance Bancorporation
WAL
$8.72B
| $4.48M | ﹤0.01% |
63,200
+700
| +1% | +$58.3K |
|
1875
CALL
Western Midstream Partners
WES
$19.3B
| $4.47M | ﹤0.01% |
108,600
+19,000
| +21% | +$786K |
|
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.