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 | |
|---|---|---|---|---|---|---|
3376
CALL
Virtu Financial
VIRT
$4.93B
| $586K | ﹤0.01% |
17,600
-8,700
| -33% | -$298K |
|
3377
Schrodinger
SDGR
$1.36B
| $585K | ﹤0.01% |
32,708
+1,661
| +5% | +$31.5K |
|
3378
CALL
Fulgent Genetics
FLGT
$527M
| $583K | ﹤0.01% |
+22,200
| New | +$576K |
|
|
PMT
3379
PUT
PennyMac Mortgage Investment
PMT
$842M
| $580K | ﹤0.01% |
46,200
-4,900
| -10% | -$61.1K |
|
3380
PUT
Legend Biotech
LEGN
$4.01B
| $578K | ﹤0.01% |
+26,600
| New | +$762K |
|
3381
Chemours
CC
$2.37B
| $577K | ﹤0.01% |
48,923
+8,196
| +20% | +$105K |
|
3382
CALL
PagSeguro Digital
PAGS
$2.55B
| $576K | ﹤0.01% |
59,800
+9,400
| +19% | +$90.1K |
|
3383
AdvisorShares MSOS 2X Daily ETF
MSOX
$51.8M
| $576K | ﹤0.01% |
+128,663
| New | +$751K |
|
|
JULM
3384
FT Vest U.S. Equity Max Buffer ETF - July
JULM
$29.7M
| $576K | ﹤0.01% |
17,141
+1,453
| +9% | +$48.5K |
|
3385
State Street Utilities Select Sector SPDR ETF
XLU
$22.7B
| $576K | ﹤0.01% |
+13,489
| New | +$597K |
|
3386
PUT
Lightpath Technologies
LPTH
$820M
| $575K | ﹤0.01% |
+53,200
| New | +$431K |
|
|
OCTM
3387
FT Vest U.S. Equity Max Buffer ETF - October
OCTM
$32.2M
| $574K | ﹤0.01% |
+17,570
| New | +$570K |
|
|
DQ
3388
Daqo New Energy
DQ
$996M
| $573K | ﹤0.01% |
19,433
-31,249
| -62% | -$954K |
|
3389
Ouster
OUST
$2.92B
| $573K | ﹤0.01% |
+26,470
| New | +$699K |
|
3390
CALL
Anavex Life Sciences
AVXL
$310M
| $569K | ﹤0.01% |
159,700
+70,500
| +79% | +$432K |
|
3391
CALL
Children's Place
PLCE
$59.8M
| $568K | ﹤0.01% |
142,600
+22,600
| +19% | +$162K |
|
3392
CALL
Microvision
MVIS
$79M
| $566K | ﹤0.01% |
45,593
+10,660
| +31% | +$170K |
|
3393
PUT
Hudbay
HBM
$12.3B
| $566K | ﹤0.01% |
28,500
+12,700
| +80% | +$215K |
|
3394
Fortune Brands Innovations
FBIN
$6.06B
| $565K | ﹤0.01% |
+11,296
| New | +$567K |
|
3395
Darling Ingredients
DAR
$9.44B
| $564K | ﹤0.01% |
15,673
-42,323
| -73% | -$1.43M |
|
3396
Helmerich & Payne
HP
$3.71B
| $564K | ﹤0.01% |
+19,653
| New | +$522K |
|
3397
FT Vest US Equity Buffer ETF March
FMAR
$1.16B
| $562K | ﹤0.01% |
+11,841
| New | +$554K |
|
3398
PUT
Trex
TREX
$5.01B
| $561K | ﹤0.01% |
16,000
+800
| +5% | +$32.4K |
|
3399
PUT
Recursion Pharmaceuticals
RXRX
$1.73B
| $561K | ﹤0.01% |
137,200
-40,600
| -23% | -$201K |
|
|
PRMB
3400
CALL
Primo Brands
PRMB
$8.54B
| $561K | ﹤0.01% |
+34,300
| New | +$634K |
|
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.