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 |
iShares Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
401
CALL
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.3B
| $67.4M | 0.02% |
111,800
+1,100
| +1% | +$658K |
|
402
CALL
D-Wave Quantum Inc. Common Stock
QBTS
$7.73B
| $67.2M | 0.02% |
2,569,300
+1,138,800
| +80% | +$33.2M |
|
403
CALL
Sea Limited
SE
$69.5B
| $67M | 0.02% |
525,500
-65,000
| -11% | -$9.63M |
|
404
PUT
Quanta Services
PWR
$101B
| $66.9M | 0.02% |
158,600
+41,300
| +35% | +$18.1M |
|
405
CALL
Philip Morris
PM
$295B
| $66.6M | 0.02% |
415,200
-69,000
| -14% | -$10.7M |
|
406
PUT
Valero Energy
VLO
$85.9B
| $66.3M | 0.02% |
407,500
+76,100
| +23% | +$12.9M |
|
407
PUT
Northrop Grumman
NOC
$81.2B
| $66.2M | 0.02% |
116,100
+37,600
| +48% | +$21.8M |
|
408
PUT
HCA Healthcare
HCA
$89.5B
| $66.1M | 0.02% |
141,600
+64,000
| +82% | +$29.7M |
|
409
CALL
MP Materials
MP
$9.1B
| $66M | 0.02% |
1,305,700
+5,800
| +0.4% | +$368K |
|
410
CALL
Credo Technology Group
CRDO
$46.6B
| $65.8M | 0.02% |
457,600
+87,800
| +24% | +$13.5M |
|
411
CALL
Upstart Holdings
UPST
$3.03B
| $65.8M | 0.02% |
1,505,600
-990,500
| -40% | -$45.6M |
|
412
PUT
GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF
COMB
$148M
| $65.6M | 0.02% |
1,138,700
-237,100
| -17% | -$5.33M |
|
413
CALL
3M
MMM
$94.3B
| $65.4M | 0.02% |
408,300
+75,400
| +23% | +$12.3M |
|
|
HUT
414
CALL
Hut 8
HUT
$10.9B
| $65.2M | 0.02% |
1,418,500
+545,600
| +63% | +$24.1M |
|
|
415
PUT
Credo Technology Group
CRDO
$46.6B
| $65.1M | 0.02% |
452,300
+143,800
| +47% | +$22.1M |
|
416
CALL
Take-Two Interactive
TTWO
$46.1B
| $64.4M | 0.02% |
251,700
+3,300
| +1% | +$823K |
|
417
PUT
TJX Companies
TJX
$178B
| $64.3M | 0.02% |
418,700
-2,100
| -0.5% | -$311K |
|
418
CALL
Wayfair
W
$14.6B
| $64.3M | 0.02% |
640,400
-91,300
| -12% | -$8.78M |
|
419
CALL
Honeywell
HON
$78B
| $64.1M | 0.02% |
328,700
+92,627
| +39% | +$18.1M |
|
420
CALL
Centene
CNC
$32.5B
| $64M | 0.02% |
1,555,400
+526,400
| +51% | +$19.7M |
|
421
PUT
MasTec
MTZ
$21.9B
| $63.2M | 0.02% |
290,900
+261,500
| +889% | +$54.9M |
|
422
CALL
NextEra Energy
NEE
$177B
| $62.8M | 0.02% |
782,500
+73,000
| +10% | +$6.05M |
|
|
TLN
423
CALL
Talen Energy Corp
TLN
$16.7B
| $62.7M | 0.02% |
167,300
-51,100
| -23% | -$19.9M |
|
424
PUT
Expedia Group
EXPE
$37.3B
| $62.7M | 0.02% |
221,300
+52,300
| +31% | +$12.9M |
|
425
CALL
Sysco
SYY
$40.3B
| $62.5M | 0.02% |
848,400
+697,700
| +463% | +$53.1M |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.