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 | |
|---|---|---|---|---|---|---|
|
XYZ
351
CALL
Block Inc
XYZ
$47.6B
| $81.2M | 0.03% |
1,349,000
-321,300
| -19% | -$19.5M |
|
352
CALL
Capital One
COF
$128B
| $80.5M | 0.03% |
441,400
+20,000
| +5% | +$4.18M |
|
353
CALL
General Motors
GM
$68.6B
| $80.2M | 0.03% |
1,077,000
-52,700
| -5% | -$4.19M |
|
354
CALL
Workday
WDAY
$35.8B
| $80.1M | 0.03% |
616,600
+454,300
| +280% | +$72.1M |
|
|
XYZ
355
PUT
Block Inc
XYZ
$47.6B
| $79.6M | 0.03% |
1,322,000
+58,000
| +5% | +$3.53M |
|
356
CALL
Quanta Services
PWR
$94.3B
| $79.1M | 0.03% |
144,100
+60,700
| +73% | +$31.3M |
|
357
CALL
Blackrock
BLK
$166B
| $79M | 0.03% |
82,100
-1,700
| -2% | -$1.79M |
|
358
PUT
Baidu
BIDU
$36.5B
| $78.5M | 0.03% |
704,400
-838,200
| -54% | -$114M |
|
359
CALL
AutoZone
AZO
$49.7B
| $78.4M | 0.03% |
23,200
-10,200
| -31% | -$36.6M |
|
360
PUT
Cisco
CSCO
$441B
| $78M | 0.03% |
1,005,200
-497,500
| -33% | -$38.9M |
|
361
CALL
Applied Optoelectronics
AAOI
$8.22B
| $77.4M | 0.03% |
915,200
+565,800
| +162% | +$36.1M |
|
362
CALL
Philip Morris
PM
$301B
| $77.2M | 0.03% |
466,800
+51,600
| +12% | +$8.97M |
|
|
NVO
363
CALL
Novo Nordisk
NVO
$223B
| $76.7M | 0.03% |
2,086,200
-302,400
| -13% | -$14.3M |
|
364
PUT
Regeneron Pharmaceuticals
REGN
$70.9B
| $76.2M | 0.03% |
98,600
-22,300
| -18% | -$17.1M |
|
365
CALL
Zscaler
ZS
$24.2B
| $75.5M | 0.03% |
538,300
+180,900
| +51% | +$32.1M |
|
366
CALL
SLB Ltd
SLB
$70.3B
| $75.5M | 0.03% |
1,469,000
+298,000
| +25% | +$14.5M |
|
367
PUT
Verizon
VZ
$182B
| $75.1M | 0.03% |
1,495,300
+184,300
| +14% | +$8.54M |
|
368
PUT
United Rentals
URI
$65.5B
| $75M | 0.03% |
102,900
-37,600
| -27% | -$31.6M |
|
369
PUT
Ulta Beauty
ULTA
$20.6B
| $74.7M | 0.03% |
142,900
-91,900
| -39% | -$58.5M |
|
370
CALL
Expedia Group
EXPE
$32.3B
| $74.6M | 0.03% |
323,100
+66,800
| +26% | +$16.4M |
|
371
PUT
Humana
HUM
$48B
| $74.2M | 0.03% |
428,200
+139,200
| +48% | +$28.5M |
|
372
PUT
Floor & Decor
FND
$6.14B
| $74M | 0.03% |
1,457,400
+446,800
| +44% | +$29.1M |
|
373
CALL
Texas Pacific Land
TPL
$28.7B
| $73.7M | 0.03% |
155,300
+97,000
| +166% | +$41.7M |
|
|
EXE
374
PUT
Expand Energy Corp
EXE
$21.1B
| $73.4M | 0.03% |
668,700
+384,200
| +135% | +$41M |
|
|
SCIU
375
PUT
DELISTED
Global X Scientific Beta US ETF
SCIU
| $73.2M | 0.03% |
1,131,200
+566,800
| +100% | +$36.7M |
|
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.