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 | |
|---|---|---|---|---|---|---|
226
iShares 20+ Year Treasury Bond ETF
TLT
$42.1B
| $73.9M | 0.04% |
811,433
-415,168
| -34% | -$37M |
|
227
CALL
Royal Caribbean
RCL
$78.7B
| $73.4M | 0.04% |
357,500
+94,900
| +36% | +$22.4M |
|
228
CALL
RH
RH
$3.3B
| $73.2M | 0.04% |
312,100
+108,100
| +53% | +$37.4M |
|
|
229
PUT
Royal Caribbean
RCL
$78.7B
| $71.5M | 0.04% |
347,900
-141,700
| -29% | -$33.4M |
|
230
CALL
DoorDash
DASH
$75.3B
| $70.8M | 0.04% |
387,600
-310,300
| -44% | -$58.4M |
|
231
Pinduoduo
PDD
$118B
| $70.8M | 0.04% |
598,324
+366,450
| +158% | +$42.1M |
|
232
CALL
Vistra
VST
$55.1B
| $70.8M | 0.04% |
602,700
+260,500
| +76% | +$38.9M |
|
233
PUT
State Street Technology Select Sector SPDR ETF
XLK
$115B
| $70.7M | 0.04% |
684,800
-180,200
| -21% | -$20.4M |
|
|
234
CALL
State Street Technology Select Sector SPDR ETF
XLK
$115B
| $70.3M | 0.04% |
681,000
-223,400
| -25% | -$25.3M |
|
|
SCHW
235
PUT
Charles Schwab
SCHW
$177B
| $69.7M | 0.04% |
890,300
-414,600
| -32% | -$32.5M |
|
236
PUT
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.07B
| $69.6M | 0.04% |
528,800
+50,500
| +11% | +$1.47M |
|
237
PUT
Arista Networks
ANET
$219B
| $68.9M | 0.04% |
888,800
-238,600
| -21% | -$24.2M |
|
|
238
iShares Silver Trust
SLV
$28.1B
| $68.8M | 0.04% |
+2,221,419
| New | +$64.5M |
|
|
239
PUT
RH
RH
$3.3B
| $68.5M | 0.04% |
292,300
+29,100
| +11% | +$10.1M |
|
240
PUT
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$21.4B
| $68.4M | 0.04% |
693,200
-120,200
| -15% | -$13M |
|
241
CALL
Cisco
CSCO
$450B
| $68.3M | 0.04% |
1,106,200
-52,100
| -4% | -$3.21M |
|
242
CALL
General Motors
GM
$74.7B
| $68M | 0.04% |
1,445,600
+130,500
| +10% | +$6.43M |
|
243
PUT
United Parcel Service
UPS
$97.6B
| $67.8M | 0.04% |
616,500
+117,200
| +23% | +$14M |
|
244
PUT
Cigna
CI
$76.6B
| $67.8M | 0.04% |
206,100
+6,700
| +3% | +$2.02M |
|
245
CALL
GameStop
GME
$9.5B
| $67.7M | 0.04% |
3,033,000
+442,400
| +17% | +$11.6M |
|
246
CALL
Occidental Petroleum
OXY
$57B
| $67.4M | 0.04% |
1,366,400
-665,100
| -33% | -$32.5M |
|
247
PUT
ProShares Ultra Bloomberg Natural Gas
BOIL
$417M
| $67.3M | 0.04% |
895,700
-114,300
| -11% | -$17.2M |
|
248
CALL
Airbnb
ABNB
$83.7B
| $67.1M | 0.04% |
561,600
-116,800
| -17% | -$15.6M |
|
|
249
PUT
Occidental Petroleum
OXY
$57B
| $66.8M | 0.04% |
1,353,500
+12,500
| +0.9% | +$610K |
|
250
CALL
Procter & Gamble
PG
$343B
| $66.6M | 0.04% |
390,600
+73,800
| +23% | +$12.4M |
|
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.