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 | |
|---|---|---|---|---|---|---|---|
801
PUT
Evercore
EVR
$9.77B
| $15.7M | 0.01% |
+58,300
| New | +$12.8M |
2025 Q2
0 quarters
|
|
802
CALL
Clorox
CLX
$10.5B
| $15.7M | 0.01% |
130,700
+48,500
| +59% | +$6.47M |
2020 Q3
19 quarters
|
|
803
CALL
Align Technology
ALGN
$10.5B
| $15.7M | 0.01% |
82,800
+19,100
| +30% | +$3.37M |
2018 Q4
26 quarters
|
|
|
TYNS
804
PUT
DELISTED
Direxion Daily 7-10 Year Treasury Bear 1X Shares
TYNS
| $15.6M | 0.01% |
98,300
-18,000
| -15% | -$2.87M |
2021 Q4
14 quarters
|
|
805
PUT
Allegro MicroSystems
ALGM
$5.89B
| $15.6M | 0.01% |
457,400
+436,400
| +2,078% | +$10.9M |
2024 Q1
5 quarters
|
|
806
PUT
CF Industries
CF
$18.3B
| $15.6M | 0.01% |
169,500
+71,600
| +73% | +$6.1M |
2020 Q1
21 quarters
|
|
807
CALL
DELISTED
Warner Bros
WBD
| $15.6M | 0.01% |
1,358,200
+403,200
| +42% | +$3.76M |
2022 Q2
12 quarters
|
|
808
PUT
NXP Semiconductors
NXPI
$57.8B
| $15.6M | 0.01% |
71,200
+19,200
| +37% | +$3.75M |
2018 Q4
26 quarters
|
|
809
CALL
Bloom Energy
BE
$65.2B
| $15.5M | 0.01% |
648,000
-88,700
| -12% | -$1.72M |
2022 Q3
11 quarters
|
|
810
Thermo Fisher Scientific
TMO
$255B
| $15.4M | 0.01% |
+38,071
| New | +$15.9M |
2025 Q2
0 quarters
|
|
811
PUT
IQVIA
IQV
$43.9B
| $15.3M | 0.01% |
97,400
+84,100
| +632% | +$12.7M |
2024 Q3
3 quarters
|
|
812
PUT
monday.com
MNDY
$3.82B
| $15.3M | 0.01% |
48,800
+6,900
| +16% | +$1.92M |
2024 Q1
5 quarters
|
|
813
PUT
Sunrun
RUN
$1.76B
| $15.3M | 0.01% |
1,874,300
+1,099,100
| +142% | +$8.64M |
2020 Q4
18 quarters
|
|
814
CALL
Cintas
CTAS
$84.9B
| $15.3M | 0.01% |
68,600
+6,600
| +11% | +$1.42M |
2024 Q3
3 quarters
|
|
815
PUT
Realty Income
O
$53.1B
| $15.3M | 0.01% |
264,900
+61,000
| +30% | +$3.45M |
2024 Q1
5 quarters
|
|
816
PUT
Nutanix
NTNX
$18.1B
| $15.2M | 0.01% |
199,500
+21,900
| +12% | +$1.58M |
2024 Q1
5 quarters
|
|
817
CALL
Match Group
MTCH
$9.86B
| $15.2M | 0.01% |
493,200
+205,000
| +71% | +$6.13M |
2020 Q1
21 quarters
|
|
818
PUT
PNC Financial Services
PNC
$86.7B
| $15.2M | 0.01% |
81,700
+15,000
| +22% | +$2.54M |
2018 Q4
26 quarters
|
|
819
CALL
O'Reilly Automotive
ORLY
$72.2B
| $15.2M | 0.01% |
168,800
+14,300
| +9% | +$1.3M |
2025 Q1
1 quarter
|
|
820
PUT
Expand Energy Corp
EXE
$21.6B
| $15.2M | 0.01% |
130,000
-62,900
| -33% | -$7.02M |
2024 Q4
2 quarters
|
|
821
CALL
Live Nation Entertainment
LYV
$39.7B
| $15.2M | 0.01% |
100,400
-61,000
| -38% | -$8.4M |
2020 Q1
21 quarters
|
|
822
PUT
SharkNinja
SN
$26.3B
| $15.2M | 0.01% |
153,300
+62,200
| +68% | +$5.38M |
2024 Q2
4 quarters
|
|
823
PUT
WIX.com
WIX
$3.14B
| $15.1M | 0.01% |
95,500
+52,300
| +121% | +$8.42M |
2021 Q3
15 quarters
|
|
824
PUT
CRISPR Therapeutics
CRSP
$4.76B
| $15.1M | 0.01% |
309,500
+140,500
| +83% | +$5.44M |
2021 Q1
17 quarters
|
|
825
PUT
Return Stacked Bonds & Managed Futures ETF
RSBT
$163M
| $15M | 0.01% |
376,100
-17,700
| -4% | -$281K |
2024 Q4
2 quarters
|
|
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.