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 | |
|---|---|---|---|---|---|---|
251
PUT
Royal Caribbean
RCL
$77B
| $128M | 0.05% |
466,900
+148,900
| +47% | +$44.3M |
|
252
CALL
Cloudflare
NET
$98.6B
| $128M | 0.05% |
620,000
+74,400
| +14% | +$14.2M |
|
253
PUT
Wells Fargo
WFC
$265B
| $127M | 0.05% |
1,600,700
+120,700
| +8% | +$10.4M |
|
254
CALL
Cheniere Energy
LNG
$55B
| $126M | 0.05% |
443,700
+329,500
| +289% | +$76.1M |
|
255
PUT
lululemon athletica
LULU
$13.2B
| $126M | 0.05% |
819,900
-536,400
| -40% | -$96.2M |
|
256
CALL
ProShares Ultra Bloomberg Natural Gas
BOIL
$349M
| $125M | 0.04% |
1,935,300
+192,150
| +11% | +$7.67M |
|
257
PUT
Constellation Energy
CEG
$90.1B
| $124M | 0.04% |
444,500
+181,500
| +69% | +$55.2M |
|
258
CALL
Texas Instruments
TXN
$258B
| $124M | 0.04% |
639,000
-24,100
| -4% | -$4.88M |
|
259
CALL
State Street Financial Select Sector SPDR ETF
XLF
$54.8B
| $124M | 0.04% |
2,507,900
+361,000
| +17% | +$18.8M |
|
260
CALL
State Street Technology Select Sector SPDR ETF
XLK
$114B
| $122M | 0.04% |
920,400
-84,900
| -8% | -$12M |
|
261
PUT
Albemarle
ALB
$14.2B
| $122M | 0.04% |
679,700
-194,800
| -22% | -$33.3M |
|
262
PUT
ProShares UltraPro Short QQQ
SQQQ
$2.36B
| $121M | 0.04% |
1,502,000
+293,100
| +24% | +$20.8M |
|
263
PUT
Autodesk
ADSK
$46.1B
| $120M | 0.04% |
502,000
+403,100
| +408% | +$101M |
|
264
PUT
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$238M
| $119M | 0.04% |
3,053,800
+733,900
| +32% | +$22.8M |
|
|
ECHO
265
CALL
EchoStar
ECHO
$26.7B
| $119M | 0.04% |
1,014,400
+332,600
| +49% | +$38.2M |
|
266
CALL
SoFi Technologies
SOFI
$22.2B
| $118M | 0.04% |
7,418,100
-1,499,700
| -17% | -$31.6M |
|
267
CALL
Datadog
DDOG
$92.1B
| $118M | 0.04% |
997,600
+159,100
| +19% | +$19.6M |
|
268
CALL
Morgan Stanley
MS
$339B
| $117M | 0.04% |
711,300
+63,500
| +10% | +$11M |
|
|
269
PUT
AST SpaceMobile
ASTS
$17.3B
| $117M | 0.04% |
1,411,200
-893,100
| -39% | -$84.3M |
|
270
CALL
Valero Energy
VLO
$91.9B
| $115M | 0.04% |
466,000
+26,000
| +6% | +$5.36M |
|
271
PUT
United Airlines
UAL
$37.5B
| $115M | 0.04% |
1,250,300
+117,800
| +10% | +$12.3M |
|
272
PUT
Walt Disney
DIS
$170B
| $113M | 0.04% |
1,174,200
-194,700
| -14% | -$20.6M |
|
273
PUT
Nike
NKE
$64.9B
| $112M | 0.04% |
2,129,100
+85,400
| +4% | +$5.18M |
|
274
PUT
Moderna
MRNA
$24.5B
| $112M | 0.04% |
2,204,100
+269,300
| +14% | +$12.6M |
|
|
275
CALL
Nike
NKE
$64.9B
| $111M | 0.04% |
2,105,800
-1,247,600
| -37% | -$75.6M |
|
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.