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 | |
|---|---|---|---|---|---|---|
1626
PUT
Sarepta Therapeutics
SRPT
$1.78B
| $6.12M | ﹤0.01% |
281,300
-2,400
| -0.8% | -$46.5K |
|
1627
PUT
SL Green Realty
SLG
$3.61B
| $6.11M | ﹤0.01% |
165,500
+9,400
| +6% | +$391K |
|
1628
Unity
U
$13B
| $6.09M | ﹤0.01% |
+277,557
| New | +$7.7M |
|
|
VSXY
1629
CALL
Victoria's Secret
VSXY
$6.95B
| $6.08M | ﹤0.01% |
131,100
+74,100
| +130% | +$4.14M |
|
1630
PUT
British American Tobacco
BTI
$135B
| $6.08M | ﹤0.01% |
103,900
-39,100
| -27% | -$2.31M |
|
1631
CALL
DuPont de Nemours
DD
$18.3B
| $6.05M | ﹤0.01% |
44,033
+26,066
| +145% | +$3.6M |
|
1632
PUT
Check Point Software Technologies
CHKP
$14.1B
| $6.03M | ﹤0.01% |
42,200
+29,400
| +230% | +$4.92M |
|
1633
BioCryst Pharmaceuticals
BCRX
$2.32B
| $6.01M | ﹤0.01% |
+631,290
| New | +$4.9M |
|
1634
PUT
Dave Inc
DAVE
$5.57B
| $6.01M | ﹤0.01% |
34,500
-30,900
| -47% | -$6M |
|
1635
CALL
POET Technologies
POET
$1.29B
| $6M | ﹤0.01% |
1,010,100
+94,000
| +10% | +$610K |
|
|
RGTX
1636
CALL
Defiance Daily Target 2X Long RGTI ETF
RGTX
$48.7M
| $5.99M | ﹤0.01% |
+294,900
| New | +$9.59M |
|
1637
PUT
Tidewater
TDW
$3.75B
| $5.99M | ﹤0.01% |
71,700
+15,800
| +28% | +$1.1M |
|
1638
PUT
Alnylam Pharmaceuticals
ALNY
$36.4B
| $5.99M | ﹤0.01% |
18,100
-10,600
| -37% | -$3.61M |
|
1639
CALL
ClearShares Piton Intermediate Fixed Income ETF
PIFI
$97.8M
| $5.99M | ﹤0.01% |
204,100
+79,100
| +63% | +$7.52M |
|
1640
PUT
Sphere Entertainment
SPHR
$4.92B
| $5.98M | ﹤0.01% |
50,900
-35,500
| -41% | -$3.71M |
|
1641
PUT
BWX Technologies
BWXT
$15.5B
| $5.97M | ﹤0.01% |
29,200
-1,900
| -6% | -$386K |
|
1642
PUT
GSK
GSK
$100B
| $5.96M | ﹤0.01% |
108,000
-42,700
| -28% | -$2.31M |
|
1643
PUT
Tractor Supply
TSCO
$15.9B
| $5.96M | ﹤0.01% |
131,500
+4,000
| +3% | +$204K |
|
1644
PUT
United States Natural Gas Fund
UNG
$458M
| $5.95M | ﹤0.01% |
506,900
-165,500
| -25% | -$2.04M |
|
1645
CALL
SBA Communications
SBAC
$19.3B
| $5.92M | ﹤0.01% |
34,400
+23,900
| +228% | +$4.48M |
|
1646
CALL
Viking Holdings
VIK
$43.2B
| $5.92M | ﹤0.01% |
80,500
+10,800
| +15% | +$789K |
|
1647
PUT
Vicor
VICR
$10.5B
| $5.91M | ﹤0.01% |
36,700
+3,300
| +10% | +$545K |
|
1648
CALL
Wolfspeed
WOLF
$1.53B
| $5.9M | ﹤0.01% |
361,700
-233,400
| -39% | -$4.21M |
|
1649
CALL
Harley-Davidson
HOG
$2.93B
| $5.89M | ﹤0.01% |
291,500
+105,900
| +57% | +$2.08M |
|
1650
Centene
CNC
$32.5B
| $5.89M | ﹤0.01% |
180,018
-538
| -0.3% | -$22.1K |
|
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.