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 |
Sprott Physical Silver Trust
PSLV
|
+$344M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$297M |
| 3 |
Tesla
TSLA
|
+$235M |
| 4 |
Sprott Physical Gold and Silver Trust
CEF
|
+$177M |
| 5 |
Meta Platforms (Facebook)
META
|
+$120M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$426M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$390M |
| 3 |
NVIDIA
NVDA
|
+$72.8M |
| 4 |
Broadcom
AVGO
|
+$66.7M |
| 5 |
AST SpaceMobile
ASTS
|
+$62.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.58% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Financials | 0.16% |
| 4 | Communication Services | 0.13% |
| 5 | Industrials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
SCHW
1401
Charles Schwab
SCHW
$178B
| $8.52M | ﹤0.01% |
90,663
-47,467
| -34% | -$4.66M |
|
|
ETH
1402
CALL
Grayscale Ethereum Staking Mini ETF Shares
ETH
$1.73B
| $8.51M | ﹤0.01% |
428,500
-60,400
| -12% | -$1.37M |
|
1403
CALL
DHT Holdings
DHT
$2.88B
| $8.51M | ﹤0.01% |
465,600
+346,300
| +290% | +$5.52M |
|
1404
PUT
Red Cat Holdings
RCAT
$1.18B
| $8.51M | ﹤0.01% |
649,800
+365,100
| +128% | +$4.99M |
|
|
TTAN
1405
CALL
ServiceTitan Inc
TTAN
$7.58B
| $8.5M | ﹤0.01% |
134,000
+93,000
| +227% | +$7.18M |
|
1406
PUT
Proshares UltraShort Technology
REW
$3.48M
| $8.46M | ﹤0.01% |
276,450
+112,400
| +69% | +$2.57M |
|
1407
AerCap
AER
$23.4B
| $8.44M | ﹤0.01% |
61,520
+11,013
| +22% | +$1.57M |
|
1408
CALL
Alexandria Real Estate Equities
ARE
$8.72B
| $8.44M | ﹤0.01% |
181,800
-51,200
| -22% | -$2.7M |
|
1409
CALL
Stride
LRN
$3.64B
| $8.44M | ﹤0.01% |
95,700
+11,800
| +14% | +$957K |
|
1410
PUT
Schwab US Broad Market ETF
SCHB
$42.9B
| $8.42M | ﹤0.01% |
277,700
-41,200
| -13% | -$1.08M |
|
1411
XPeng
XPEV
$12.6B
| $8.4M | ﹤0.01% |
490,745
-319,242
| -39% | -$5.92M |
|
1412
PUT
CleanSpark
CLSK
$3.7B
| $8.39M | ﹤0.01% |
986,400
-76,400
| -7% | -$817K |
|
1413
CALL
-1x Short VIX Futures ETF
SVIX
$184M
| $8.37M | ﹤0.01% |
532,700
+4,200
| +0.8% | +$87.6K |
|
1414
PUT
Public Storage
PSA
$55.4B
| $8.34M | ﹤0.01% |
30,800
-9,200
| -23% | -$2.64M |
|
1415
CALL
Nokia
NOK
$56.3B
| $8.33M | ﹤0.01% |
1,036,400
+135,000
| +15% | +$991K |
|
1416
CALL
State Street
STT
$50.2B
| $8.33M | ﹤0.01% |
65,800
-152,600
| -70% | -$19.5M |
|
1417
PUT
Novartis
NVS
$285B
| $8.32M | ﹤0.01% |
54,500
-7,000
| -11% | -$1.07M |
|
1418
PUT
Vale
VALE
$60B
| $8.31M | ﹤0.01% |
522,200
+266,800
| +104% | +$4.17M |
|
|
ABVX
1419
PUT
Abivax
ABVX
$11.5B
| $8.31M | ﹤0.01% |
74,600
+61,100
| +453% | +$7.23M |
|
1420
CALL
Century Aluminum
CENX
$4.24B
| $8.29M | ﹤0.01% |
141,200
-7,500
| -5% | -$376K |
|
1421
CALL
Joby Aviation
JOBY
$7.35B
| $8.28M | ﹤0.01% |
1,001,900
+182,100
| +22% | +$2.05M |
|
1422
PUT
Toyota
TM
$211B
| $8.26M | ﹤0.01% |
40,100
-8,400
| -17% | -$1.9M |
|
1423
CALL
Iron Mountain
IRM
$37B
| $8.26M | ﹤0.01% |
80,900
-300
| -0.4% | -$29.8K |
|
|
BLSH
1424
CALL
Bullish
BLSH
$3.44B
| $8.25M | ﹤0.01% |
231,000
-50,500
| -18% | -$1.77M |
|
1425
CALL
2x Long VIX Futures ETF
UVIX
$280M
| $8.23M | ﹤0.01% |
47,545
+1,030
| +2% | +$139K |
|
Similar funds
IMC Chicago's Q1 2026 Portfolio in Review
As of Q1 2026, IMC Chicago held 6,062 positions worth $278B, up 1.1% from $275B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $22.2B of net new capital in Q1 2026, opening 2,049 new positions and adding to 1,848 existing holdings. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
By sector, the portfolio is most concentrated in Technology at 0.58% of assets, up from 0.56% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Broadcom, an estimated $66.7M trimmed.
- IMC Chicago's largest Q1 2026 buy was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
- IMC Chicago added most to Sprott Physical Silver Trust in Q1 2026, an estimated $344M increase.
- IMC Chicago's biggest Q1 2026 reduction was Broadcom, cutting an estimated $66.7M.
- IMC Chicago fully exited Invesco QQQ Trust in Q1 2026, selling an estimated $426M.
- IMC Chicago's ten largest holdings make up 38% of its $278B portfolio in Q1 2026.
- IMC Chicago opened 2,049 new positions and closed 389 in Q1 2026.
- IMC Chicago's portfolio value rose 1.1% quarter-over-quarter to $278B.
Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.