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 Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 98.86% |
| 2 | Technology | 0.32% |
| 3 | Consumer Discretionary | 0.25% |
| 4 | Healthcare | 0.13% |
| 5 | Communication Services | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
3451
PUT
KBR
KBR
$4.59B
| – | – |
-15,800
| Closed | -$787K | – |
|
3452
Kyndryl
KD
$2.88B
| – | – |
-73,351
| Closed | -$2.65M | – |
|
3453
Kinross Gold
KGC
$28.5B
| – | – |
-27,895
| Closed | -$406K | – |
|
3454
Kimbell Royalty Partners
KRP
$1.64B
| – | – |
-16,861
| Closed | -$236K | – |
|
|
3455
PUT
Kimbell Royalty Partners
KRP
$1.64B
| – | – |
-22,400
| Closed | -$314K | – |
|
3456
KraneShares CSI China Internet ETF
KWEB
$4.45B
| – | – |
-208,634
| Closed | -$7.28M | – |
|
3457
CALL
SEALSQ Corp
LAES
$403M
| – | – |
-162,900
| Closed | -$424K | – |
|
3458
PUT
Lear
LEA
$5.92B
| – | – |
-12,300
| Closed | -$1.09M | – |
|
3459
Lennar Class A
LEN
$18.3B
| – | – |
-15,710
| Closed | -$1.7M | – |
|
3460
CALL
LoveSac
LOVE
$209M
| – | – |
-17,400
| Closed | -$316K | – |
|
3461
Dorian LPG
LPG
$2.29B
| – | – |
-20,920
| Closed | -$463K | – |
|
3462
Lam Research
LRCX
$330B
| – | – |
-14,405
| Closed | -$1.14M | – |
|
3463
Las Vegas Sands
LVS
$24.6B
| – | – |
-119,965
| Closed | -$4.67M | – |
|
3464
LyondellBasell Industries
LYB
$20.7B
| – | – |
-12,107
| Closed | -$706K | – |
|
3465
Lyft
LYFT
$6.37B
| – | – |
-159,756
| Closed | -$2.24M | – |
|
3466
CALL
Masco
MAS
$14.4B
| – | – |
-11,500
| Closed | -$800K | – |
|
3467
Mattel
MAT
$4.91B
| – | – |
-32,478
| Closed | -$578K | – |
|
3468
CALL
Mativ Holdings
MATV
$619M
| – | – |
-100,400
| Closed | -$625K | – |
|
|
3469
Mativ Holdings
MATV
$619M
| – | – |
-58,802
| Closed | -$366K | – |
|
3470
MBIA
MBI
$225M
| – | – |
-48,852
| Closed | -$243K | – |
|
3471
CALL
Moody's
MCO
$84B
| – | – |
-10,200
| Closed | -$4.75M | – |
|
3472
MFA Financial
MFA
$666M
| – | – |
-21,301
| Closed | -$219K | – |
|
|
3473
PUT
MFA Financial
MFA
$666M
| – | – |
-29,300
| Closed | -$301K | – |
|
3474
Magna International
MGA
$17.7B
| – | – |
-17,002
| Closed | -$600K | – |
|
3475
Magnite
MGNI
$3.35B
| – | – |
-39,631
| Closed | -$584K | – |
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago's Q2 2025 filing shows 615 new, 1,602 increased, 1,040 reduced and 423 closed positions. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M. The largest sale was Invesco QQQ Trust, an estimated $153M.
By sector, the portfolio is most concentrated in Miscellaneous at 99% of assets, down from 99% a quarter earlier, followed by Technology and Consumer Discretionary.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.