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 | |
|---|---|---|---|---|---|---|
1576
PUT
BILL Holdings
BILL
$4.43B
| $6.6M | ﹤0.01% |
172,300
+27,200
| +19% | +$1.22M |
|
1577
PUT
Iron Mountain
IRM
$38B
| $6.6M | ﹤0.01% |
64,600
-24,900
| -28% | -$2.48M |
|
1578
CALL
NextDecade
NEXT
$2.01B
| $6.6M | ﹤0.01% |
861,200
+601,300
| +231% | +$3.42M |
|
|
BTC
1579
CALL
Grayscale Bitcoin Mini Trust ETF
BTC
$3.54B
| $6.59M | ﹤0.01% |
219,600
-4,600
| -2% | -$155K |
|
1580
PUT
UBS Group
UBS
$172B
| $6.58M | ﹤0.01% |
168,300
+105,500
| +168% | +$4.51M |
|
1581
CALL
Equinox Gold
EQX
$7.01B
| $6.57M | ﹤0.01% |
454,700
-101,300
| -18% | -$1.55M |
|
1582
CALL
KB Home
KBH
$3.37B
| $6.55M | ﹤0.01% |
126,500
+34,100
| +37% | +$2.01M |
|
1583
PUT
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$108M
| $6.54M | ﹤0.01% |
200,500
-106,200
| -35% | -$3.68M |
|
1584
PUT
Samsara
IOT
$22B
| $6.54M | ﹤0.01% |
206,300
-30,500
| -13% | -$932K |
|
1585
PUT
BJs Wholesale Club
BJ
$11.8B
| $6.54M | ﹤0.01% |
66,400
-28,400
| -30% | -$2.74M |
|
1586
CALL
TKO Group
TKO
$13.6B
| $6.53M | ﹤0.01% |
32,400
-39,100
| -55% | -$8M |
|
1587
CALL
Factset
FDS
$9.01B
| $6.53M | ﹤0.01% |
30,100
-100
| -0.3% | -$23.3K |
|
1588
CALL
United States Antimony
UAMY
$839M
| $6.5M | ﹤0.01% |
744,900
+159,000
| +27% | +$1.39M |
|
1589
CALL
Tractor Supply
TSCO
$15.6B
| $6.5M | ﹤0.01% |
143,500
-39,300
| -21% | -$2M |
|
1590
CALL
Madison Square Garden
MSGS
$9.54B
| $6.49M | ﹤0.01% |
+20,200
| New | +$6.02M |
|
1591
PUT
FirstEnergy
FE
$27.9B
| $6.45M | ﹤0.01% |
127,400
-4,800
| -4% | -$233K |
|
1592
PUT
Century Aluminum
CENX
$4.52B
| $6.45M | ﹤0.01% |
109,900
+8,500
| +8% | +$426K |
|
1593
CALL
Celcuity
CELC
$4.38B
| $6.45M | ﹤0.01% |
+56,500
| New | +$6.16M |
|
1594
Home Depot
HD
$328B
| $6.45M | ﹤0.01% |
19,602
-21,582
| -52% | -$7.86M |
|
1595
CALL
Ecolab
ECL
$74.7B
| $6.44M | ﹤0.01% |
24,200
+8,200
| +51% | +$2.31M |
|
1596
Vanguard Growth ETF
VUG
$222B
| $6.43M | ﹤0.01% |
+88,302
| New | +$6.87M |
|
1597
Trip.com Group
TCOM
$27.6B
| $6.43M | ﹤0.01% |
+129,058
| New | +$7.52M |
|
|
ZVOL
1598
CALL
Volatility Premium Plus ETF
ZVOL
$14M
| $6.42M | ﹤0.01% |
303,300
-515,100
| -63% | -$5.08M |
|
1599
Advance Auto Parts
AAP
$3.28B
| $6.41M | ﹤0.01% |
121,593
+91,704
| +307% | +$4.59M |
|
1600
Howmet Aerospace
HWM
$110B
| $6.41M | ﹤0.01% |
27,821
-25,775
| -48% | -$6.01M |
|
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.