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 | |
|---|---|---|---|---|---|---|
2426
CALL
AutoNation
AN
$6.63B
| $2.32M | ﹤0.01% |
+11,900
| New | +$2.4M |
|
2427
CALL
International Flavors & Fragrances
IFF
$19.6B
| $2.32M | ﹤0.01% |
32,000
-21,100
| -40% | -$1.55M |
|
2428
CALL
Thomson Reuters
TRI
$39.9B
| $2.32M | ﹤0.01% |
+25,402
| New | +$2.68M |
|
2429
PUT
Navios Maritime Partners
NMM
$2.12B
| $2.32M | ﹤0.01% |
34,400
+12,500
| +57% | +$778K |
|
|
INFQ
2430
CALL
Infleqtion Inc
INFQ
$2.12B
| $2.32M | ﹤0.01% |
+236,600
| New | +$2.69M |
|
2431
PUT
BorgWarner
BWA
$13B
| $2.32M | ﹤0.01% |
42,700
+22,100
| +107% | +$1.16M |
|
2432
PUT
Birkenstock
BIRK
$7.75B
| $2.31M | ﹤0.01% |
64,600
+13,900
| +27% | +$542K |
|
2433
PUT
Texas Roadhouse
TXRH
$12.8B
| $2.31M | ﹤0.01% |
14,000
-30,600
| -69% | -$5.49M |
|
2434
CALL
AllianceBernstein
AB
$3.5B
| $2.31M | ﹤0.01% |
61,700
+42,800
| +226% | +$1.68M |
|
2435
CALL
Imperial Oil
IMO
$59.8B
| $2.3M | ﹤0.01% |
17,600
+6,200
| +54% | +$696K |
|
2436
CALL
B2Gold
BTG
$5.08B
| $2.3M | ﹤0.01% |
508,100
+264,700
| +109% | +$1.33M |
|
2437
ProShares UltraShort QQQ
QID
$249M
| $2.3M | ﹤0.01% |
+101,515
| New | +$2.11M |
|
|
HTGCR
2438
PUT
DELISTED
HERCULES TECHNOLOGY GROWTH CAP INC TRANS RGTS TO PUR COM STK
HTGCR
| $2.3M | ﹤0.01% |
+155,700
| New | +$2.3M |
|
|
VNET
2439
PUT
VNET Group
VNET
$2.19B
| $2.3M | ﹤0.01% |
274,000
+188,300
| +220% | +$2M |
|
2440
CALL
Qorvo
QRVO
$7.84B
| $2.3M | ﹤0.01% |
29,700
+1,700
| +6% | +$138K |
|
2441
CALL
Silicon Laboratories
SLAB
$7.18B
| $2.29M | ﹤0.01% |
+11,000
| New | +$2.02M |
|
|
PSIX
2442
PUT
Power Solutions International
PSIX
$731M
| $2.29M | ﹤0.01% |
37,600
+8,900
| +31% | +$635K |
|
2443
Crescent Energy
CRGY
$3.62B
| $2.29M | ﹤0.01% |
169,401
+66,184
| +64% | +$693K |
|
2444
Sigma Lithium
SGML
$1.18B
| $2.28M | ﹤0.01% |
184,838
+72,642
| +65% | +$929K |
|
2445
Rubrik
RBRK
$15.7B
| $2.28M | ﹤0.01% |
+46,565
| New | +$2.67M |
|
2446
PUT
Redwire
RDW
$2.22B
| $2.28M | ﹤0.01% |
268,200
+32,300
| +14% | +$316K |
|
2447
PUT
Lennox International
LII
$18.4B
| $2.27M | ﹤0.01% |
+4,900
| New | +$2.52M |
|
2448
Moody's
MCO
$85.7B
| $2.27M | ﹤0.01% |
+5,212
| New | +$2.47M |
|
2449
PVH
PVH
$3.64B
| $2.27M | ﹤0.01% |
+32,535
| New | +$2.14M |
|
2450
CALL
Willis Towers Watson
WTW
$27.3B
| $2.27M | ﹤0.01% |
+7,800
| New | +$2.39M |
|
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.