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 | |
|---|---|---|---|---|---|---|
451
PUT
United Therapeutics
UTHR
$22.7B
| $58M | 0.02% |
97,800
+52,000
| +114% | +$25.9M |
|
452
CALL
Shell
SHEL
$242B
| $57.9M | 0.02% |
622,700
+30,500
| +5% | +$2.46M |
|
453
CALL
Thermo Fisher Scientific
TMO
$198B
| $57.8M | 0.02% |
117,600
-15,700
| -12% | -$8.52M |
|
454
CALL
Marriott International
MAR
$96.6B
| $57.7M | 0.02% |
176,400
-300
| -0.2% | -$98.7K |
|
455
CALL
State Street Health Care Select Sector SPDR ETF
XLV
$41.7B
| $57.7M | 0.02% |
393,500
-85,200
| -18% | -$13.1M |
|
456
PUT
T-Mobile US
TMUS
$208B
| $57.5M | 0.02% |
273,800
-3,900
| -1% | -$801K |
|
457
CALL
Trade Desk
TTD
$8.74B
| $57.5M | 0.02% |
2,532,900
+192,500
| +8% | +$5.56M |
|
458
CALL
Take-Two Interactive
TTWO
$43.9B
| $57.4M | 0.02% |
290,400
+38,700
| +15% | +$8.42M |
|
459
CALL
Alcoa
AA
$11.6B
| $57.3M | 0.02% |
864,400
-73,700
| -8% | -$4.52M |
|
460
CALL
VanEck Durable High Dividend ETF
DURA
$38.1M
| $57.3M | 0.02% |
204,600
+92,200
| +82% | +$3.38M |
|
461
CALL
Hims & Hers Health
HIMS
$7.6B
| $56.9M | 0.02% |
2,742,500
+818,100
| +43% | +$19.3M |
|
462
PUT
Linde
LIN
$237B
| $56.8M | 0.02% |
114,500
+36,100
| +46% | +$17M |
|
463
CALL
RH
RH
$3.56B
| $56.7M | 0.02% |
405,700
-133,100
| -25% | -$24.3M |
|
464
PUT
Charter Communications
CHTR
$16.2B
| $56.6M | 0.02% |
262,000
+25,600
| +11% | +$5.55M |
|
465
CALL
Carnival Corporation Ltd
CCL
$36.2B
| $56.5M | 0.02% |
2,184,800
-220,900
| -9% | -$6.44M |
|
466
PUT
CF Industries
CF
$18.7B
| $56.5M | 0.02% |
434,800
+288,500
| +197% | +$29.4M |
|
467
CALL
Analog Devices
ADI
$183B
| $56.3M | 0.02% |
176,900
-49,400
| -22% | -$15.7M |
|
468
CALL
KKR & Co
KKR
$90.6B
| $56M | 0.02% |
605,300
+311,800
| +106% | +$32.9M |
|
469
CALL
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$22.6B
| $55.8M | 0.02% |
511,700
-70,300
| -12% | -$8.22M |
|
470
CALL
Pfizer
PFE
$143B
| $55.7M | 0.02% |
1,985,200
-896,500
| -31% | -$23.9M |
|
471
Amazon
AMZN
$2.66T
| $55.3M | 0.02% |
+265,722
| New | +$58.5M |
|
472
CALL
Union Pacific
UNP
$179B
| $55.3M | 0.02% |
228,100
-85,400
| -27% | -$20.9M |
|
473
CALL
Live Nation Entertainment
LYV
$41.9B
| $55.3M | 0.02% |
362,400
+67,300
| +23% | +$10.2M |
|
474
PUT
Amphenol
APH
$186B
| $55.2M | 0.02% |
437,100
+190,300
| +77% | +$26.8M |
|
475
CALL
Phillips 66
PSX
$82.9B
| $55M | 0.02% |
301,900
+49,200
| +19% | +$7.71M |
|
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.