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 | |
|---|---|---|---|---|---|---|---|
276
CALL
T-Mobile US
TMUS
$164B
| $82.2M | 0.04% |
345,000
+40,800
| +13% | +$9.96M |
2022 Q4
10 quarters
|
|
|
KFYP
277
CALL
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $81.5M | 0.04% |
2,375,000
-915,600
| -28% | -$31.4M |
2021 Q4
14 quarters
|
|
278
Sprott Physical Gold
PHYS
$14.9B
| $81.2M | 0.04% |
3,204,243
+3,095,611
| +2,850% | +$77.8M |
2024 Q3
3 quarters
|
|
279
PUT
Workday
WDAY
$45.8B
| $80.8M | 0.04% |
336,600
+234,700
| +230% | +$57.2M |
2018 Q4
26 quarters
|
|
280
Alibaba
BABA
$276B
| $79.7M | 0.04% |
702,578
+443,674
| +171% | +$52.5M |
2024 Q4
2 quarters
|
|
281
CALL
Occidental Petroleum
OXY
$61.3B
| $79.2M | 0.04% |
1,885,600
+519,200
| +38% | +$21.7M |
2018 Q4
26 quarters
|
|
282
CALL
Sea Limited
SE
$59.2B
| $79M | 0.04% |
494,100
-133,100
| -21% | -$19.3M |
2020 Q1
21 quarters
|
|
283
CALL
Proshares UltraShort Technology
REW
$3.31M
| $78.2M | 0.03% |
977,625
-79,500
| -8% | -$3.21M |
2022 Q2
12 quarters
|
|
284
PUT
AST SpaceMobile
ASTS
$16.1B
| $77.7M | 0.03% |
1,663,100
+761,100
| +84% | +$22M |
2024 Q2
4 quarters
|
|
285
PUT
Capital One
COF
$124B
| $77.1M | 0.03% |
362,600
+68,900
| +23% | +$12.9M |
2018 Q4
26 quarters
|
|
286
CALL
Novo Nordisk
NVO
$170B
| $76.7M | 0.03% |
1,111,100
+229,200
| +26% | +$15.6M |
2023 Q3
7 quarters
|
|
287
PUT
RH
RH
$2.24B
| $76.7M | 0.03% |
405,600
+113,300
| +39% | +$21M |
2019 Q3
23 quarters
|
|
288
PUT
Carnival Corporation Ltd
CCL
$35.8B
| $76.5M | 0.03% |
2,719,400
+505,400
| +23% | +$10.8M |
2018 Q4
26 quarters
|
|
289
CALL
Oklo
OKLO
$6.08B
| $75.9M | 0.03% |
1,356,200
+347,000
| +34% | +$13.4M |
2024 Q2
4 quarters
|
|
290
CALL
AutoZone
AZO
$46.8B
| $75.7M | 0.03% |
20,400
+7,100
| +53% | +$26.2M |
2025 Q1
1 quarter
|
|
291
PUT
Avis
CAR
$3.75B
| $75.6M | 0.03% |
447,500
+205,700
| +85% | +$22.2M |
2018 Q4
26 quarters
|
|
292
PUT
Thermo Fisher Scientific
TMO
$243B
| $75.6M | 0.03% |
186,500
+73,200
| +65% | +$30.6M |
2020 Q4
18 quarters
|
|
293
CALL
Humana
HUM
$51.8B
| $75M | 0.03% |
306,800
+21,000
| +7% | +$5.24M |
2022 Q3
11 quarters
|
|
294
CALL
Roku
ROKU
$22.7B
| $75M | 0.03% |
852,800
+3,100
| +0.4% | +$217K |
2019 Q1
25 quarters
|
|
295
PUT
KLA
KLAC
$250B
| $74.2M | 0.03% |
828,000
+438,000
| +112% | +$33M |
2022 Q3
11 quarters
|
|
296
PUT
Ulta Beauty
ULTA
$24.3B
| $74.1M | 0.03% |
158,500
-7,800
| -5% | -$3.23M |
2018 Q4
26 quarters
|
|
|
297
PUT
Oklo
OKLO
$6.08B
| $74.1M | 0.03% |
1,323,900
+556,900
| +73% | +$21.5M |
2024 Q2
4 quarters
|
|
298
CALL
Newmont
NEM
$124B
| $73.9M | 0.03% |
1,268,000
+97,300
| +8% | +$5.19M |
2018 Q4
26 quarters
|
|
|
299
CALL
Avis
CAR
$3.75B
| $73.8M | 0.03% |
436,700
+157,600
| +56% | +$17M |
2019 Q2
24 quarters
|
|
|
300
PUT
AutoZone
AZO
$46.8B
| $72.8M | 0.03% |
19,600
+3,600
| +23% | +$13.3M |
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.