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
|
+$106M |
| 2 |
Advanced Micro Devices
AMD
|
+$81.1M |
| 3 |
Amazon
AMZN
|
+$73M |
| 4 |
TSMC
TSM
|
+$68.5M |
| 5 |
iShares Silver Trust
SLV
|
+$64.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$214M |
| 2 |
iShares Core S&P 500 ETF
IVV
|
+$209M |
| 3 |
Invesco NASDAQ 100 ETF
QQQM
|
+$209M |
| 4 |
Vanguard S&P 500 ETF
VOO
|
+$150M |
| 5 |
Meta Platforms (Facebook)
META
|
+$102M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.28% |
| 2 | Consumer Discretionary | 0.23% |
| 3 | Healthcare | 0.11% |
| 4 | Communication Services | 0.09% |
| 5 | Financials | 0.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
AXON
276
CALL
Axon Enterprise
AXON
$40.5B
| $59.7M | 0.03% |
113,600
-20,200
| -15% | -$11.8M |
|
277
PUT
Lowe's Companies
LOW
$116B
| $59.4M | 0.03% |
254,500
-32,800
| -11% | -$8.07M |
|
278
CALL
Atlassian
TEAM
$22B
| $58.6M | 0.03% |
276,100
+91,200
| +49% | +$24.1M |
|
|
279
TSMC
TSM
$2.09T
| $58.5M | 0.03% |
+352,536
| New | +$68.5M |
|
280
CALL
Affirm
AFRM
$23.5B
| $58.4M | 0.03% |
1,292,300
+66,300
| +5% | +$3.93M |
|
281
CALL
Take-Two Interactive
TTWO
$43B
| $58.2M | 0.03% |
280,800
+69,400
| +33% | +$13.9M |
|
282
CALL
ARK Innovation ETF
ARKK
$5.89B
| $58.2M | 0.03% |
1,222,600
-31,400
| -3% | -$1.8M |
|
283
PUT
Moderna
MRNA
$21.5B
| $58.1M | 0.03% |
2,048,100
+522,100
| +34% | +$18.5M |
|
284
PUT
Accenture
ACN
$89.9B
| $57.9M | 0.03% |
185,400
-85,400
| -32% | -$30.2M |
|
285
CALL
AT&T
T
$165B
| $57.7M | 0.03% |
2,039,900
+323,900
| +19% | +$8.15M |
|
|
SPYM
286
State Street SPDR Portfolio S&P 500 ETF
SPYM
$158B
| $57.6M | 0.03% |
+875,913
| New | +$60.6M |
|
287
PUT
Constellation Energy
CEG
$98B
| $57.6M | 0.03% |
285,500
+15,800
| +6% | +$4.23M |
|
|
288
CALL
Lowe's Companies
LOW
$116B
| $57M | 0.03% |
244,500
+28,000
| +13% | +$6.89M |
|
289
CALL
SoFi Technologies
SOFI
$21.1B
| $57M | 0.03% |
4,898,500
+24,500
| +0.5% | +$353K |
|
290
PUT
Amgen
AMGN
$203B
| $56.9M | 0.03% |
182,700
-35,900
| -16% | -$10.6M |
|
|
NVO
291
PUT
Novo Nordisk
NVO
$216B
| $56.9M | 0.03% |
819,100
+206,300
| +34% | +$17M |
|
292
CALL
Philip Morris
PM
$301B
| $56.9M | 0.03% |
358,300
+34,900
| +11% | +$4.94M |
|
293
PUT
Eaton
ETN
$157B
| $56.8M | 0.03% |
209,000
+6,700
| +3% | +$2.09M |
|
294
CALL
Pfizer
PFE
$140B
| $56.6M | 0.03% |
2,233,000
-535,600
| -19% | -$14M |
|
295
CALL
Newmont
NEM
$98.2B
| $56.5M | 0.03% |
1,170,700
+3,300
| +0.3% | +$145K |
|
296
PUT
GE Vernova
GEV
$270B
| $56.4M | 0.03% |
184,900
+12,800
| +7% | +$4.46M |
|
297
PUT
Thermo Fisher Scientific
TMO
$211B
| $56.4M | 0.03% |
113,300
+3,200
| +3% | +$1.73M |
|
298
CALL
United States Oil Fund
USO
$2.45B
| $56.3M | 0.03% |
728,400
+18,300
| +3% | +$1.4M |
|
299
PUT
Proshares UltraShort Technology
REW
$3.48M
| $56M | 0.03% |
379,400
-82,650
| -18% | -$3.52M |
|
|
SCHW
300
CALL
Charles Schwab
SCHW
$177B
| $55.8M | 0.03% |
712,900
-263,000
| -27% | -$20.6M |
|
Similar funds
IMC Chicago's Q1 2025 Portfolio in Review
As of Q1 2025, IMC Chicago held 3,586 positions worth $177B, down 18% from $215B the previous quarter. Its ten largest holdings account for 46% of the portfolio.
IMC Chicago withdrew a net $21.1B in Q1 2025, closing 516 positions and reducing 1,388 holdings. Its most notable exit was iShares Core S&P 500 ETF, an estimated $209M position sold in full.
By sector, the portfolio is most concentrated in Technology at 0.28% of assets, down from 0.32% a quarter earlier, followed by Consumer Discretionary and Healthcare.
Against the trend, IMC Chicago opened a new position in Amazon worth $64M.
- IMC Chicago's largest Q1 2025 buy was Amazon: 336,493 shares worth $64M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q1 2025, an estimated $106M increase.
- IMC Chicago's biggest Q1 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $214M.
- IMC Chicago fully exited iShares Core S&P 500 ETF in Q1 2025, selling an estimated $209M.
- IMC Chicago's ten largest holdings make up 46% of its $177B portfolio in Q1 2025.
- IMC Chicago opened 482 new positions and closed 516 in Q1 2025.
- IMC Chicago's portfolio value fell 18% quarter-over-quarter to $177B.
Based on IMC Chicago's 13F filing for Q1 2025, filed 14 Apr 2025.