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 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1276
PUT
Tyson Foods
TSN
$19.8B
| $6.01M | ﹤0.01% |
107,500
+47,200
| +78% | +$2.71M |
|
1277
PUT
Qorvo
QRVO
$8.67B
| $5.99M | ﹤0.01% |
70,500
+15,300
| +28% | +$1.11M |
|
1278
CALL
Tencent Music
TME
$13.9B
| $5.98M | ﹤0.01% |
306,600
+91,100
| +42% | +$1.43M |
|
1279
CALL
IQVIA
IQV
$39.8B
| $5.97M | ﹤0.01% |
+37,900
| New | +$5.71M |
|
1280
PUT
Vertex Pharmaceuticals
VRTX
$133B
| $5.97M | ﹤0.01% |
13,400
-14,000
| -51% | -$6.45M |
|
1281
CSX Corp
CSX
$92.8B
| $5.96M | ﹤0.01% |
+182,695
| New | +$5.5M |
|
1282
PUT
BigBear.ai
BBAI
$1.6B
| $5.96M | ﹤0.01% |
877,400
+215,600
| +33% | +$779K |
|
1283
CALL
Dynatrace
DT
$14.3B
| $5.96M | ﹤0.01% |
107,900
+9,500
| +10% | +$476K |
|
1284
PUT
Peabody Energy
BTU
$3.01B
| $5.94M | ﹤0.01% |
442,700
+112,500
| +34% | +$1.48M |
|
1285
CALL
Old Dominion Freight Line
ODFL
$44.1B
| $5.94M | ﹤0.01% |
36,600
+11,100
| +44% | +$1.77M |
|
1286
Grab
GRAB
$15.1B
| $5.94M | ﹤0.01% |
1,180,304
-72,823
| -6% | -$340K |
|
|
BULL
1287
PUT
Webull Corp
BULL
$4.08B
| $5.9M | ﹤0.01% |
+493,400
| New | +$7.64M |
|
1288
CALL
Elastic
ESTC
$8.02B
| $5.89M | ﹤0.01% |
69,900
-21,500
| -24% | -$1.82M |
|
1289
CALL
NextNav
NN
$3.25B
| $5.88M | ﹤0.01% |
386,900
+209,000
| +117% | +$2.68M |
|
1290
PUT
Commault Systems
CVLT
$6.26B
| $5.87M | ﹤0.01% |
33,700
-3,400
| -9% | -$580K |
|
1291
PUT
Vanguard Morningstar Growth ETF
VUG
$231B
| $5.87M | ﹤0.01% |
80,400
+10,800
| +16% | +$711K |
|
1292
CALL
Citizens Financial Group
CFG
$31.1B
| $5.87M | ﹤0.01% |
131,200
-12,400
| -9% | -$488K |
|
1293
CALL
Ameriprise Financial
AMP
$49.9B
| $5.87M | ﹤0.01% |
11,000
+100
| +0.9% | +$49.4K |
|
1294
CALL
Tower Semiconductor
TSEM
$28.6B
| $5.87M | ﹤0.01% |
135,300
-23,300
| -15% | -$895K |
|
1295
CALL
SentinelOne
S
$8.17B
| $5.86M | ﹤0.01% |
320,800
-53,600
| -14% | -$980K |
|
|
PPLT
1296
CALL
abrdn Physical Platinum Shares ETF
PPLT
$2B
| $5.86M | ﹤0.01% |
+477,000
| New | +$4.67M |
|
|
GRAL
1297
CALL
GRAIL Inc
GRAL
$3.08B
| $5.85M | ﹤0.01% |
113,800
+70,100
| +160% | +$2.54M |
|
|
CFLT
1298
PUT
DELISTED
Confluent
CFLT
| $5.84M | ﹤0.01% |
234,100
-33,900
| -13% | -$764K |
|
1299
Seagate
STX
$209B
| $5.84M | ﹤0.01% |
40,433
+22,058
| +120% | +$2.28M |
|
1300
CALL
Arthur J. Gallagher & Co
AJG
$65.5B
| $5.83M | ﹤0.01% |
18,200
+2,800
| +18% | +$923K |
|
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 deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- 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.