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 | |
|---|---|---|---|---|---|---|
2526
CALL
Ryder
R
$10.4B
| $2.09M | ﹤0.01% |
+10,200
| New | +$2.06M |
|
2527
PUT
Thomson Reuters
TRI
$41.7B
| $2.09M | ﹤0.01% |
+22,842
| New | +$2.41M |
|
2528
CALL
Axcelis
ACLS
$4.05B
| $2.08M | ﹤0.01% |
22,400
+2,300
| +11% | +$204K |
|
2529
CALL
H&R Block
HRB
$5.29B
| $2.08M | ﹤0.01% |
65,500
+19,300
| +42% | +$673K |
|
|
EXE
2530
Expand Energy Corp
EXE
$20.8B
| $2.08M | ﹤0.01% |
+18,932
| New | +$2.02M |
|
2531
PUT
DHT Holdings
DHT
$2.88B
| $2.08M | ﹤0.01% |
113,700
+36,000
| +46% | +$573K |
|
2532
PUT
KE Holdings
BEKE
$18.8B
| $2.08M | ﹤0.01% |
138,700
-63,500
| -31% | -$1.09M |
|
|
GOLD
2533
PUT
Gold.com Inc
GOLD
$1.09B
| $2.08M | ﹤0.01% |
51,800
+37,800
| +270% | +$1.85M |
|
2534
CALL
ARK Web x.0 ETF
ARKW
$1.71B
| $2.07M | ﹤0.01% |
+17,200
| New | +$2.28M |
|
2535
Scorpio Tankers
STNG
$3.88B
| $2.07M | ﹤0.01% |
+27,784
| New | +$1.86M |
|
2536
PUT
Kohl's
KSS
$1.99B
| $2.07M | ﹤0.01% |
160,700
-168,100
| -51% | -$2.83M |
|
2537
CALL
Hess Midstream
HESM
$5.16B
| $2.07M | ﹤0.01% |
53,300
+13,800
| +35% | +$511K |
|
|
TEN
2538
Tsakos Energy Navigation Ltd
TEN
$1.17B
| $2.07M | ﹤0.01% |
52,490
+13,703
| +35% | +$420K |
|
2539
PUT
Root
ROOT
$951M
| $2.07M | ﹤0.01% |
46,800
-9,800
| -17% | -$572K |
|
2540
PUT
Ionis Pharmaceuticals
IONS
$8.75B
| $2.06M | ﹤0.01% |
27,500
+12,600
| +85% | +$994K |
|
|
WCN
2541
CALL
Waste Connections
WCN
$43.4B
| $2.06M | ﹤0.01% |
+12,700
| New | +$2.12M |
|
2542
Onto Innovation
ONTO
$13.9B
| $2.06M | ﹤0.01% |
+10,055
| New | +$2.06M |
|
2543
PUT
Aecom
ACM
$8.73B
| $2.06M | ﹤0.01% |
+24,300
| New | +$2.3M |
|
2544
CALL
Papa John's
PZZA
$1.1B
| $2.06M | ﹤0.01% |
63,500
-83,800
| -57% | -$2.91M |
|
2545
Global X Uranium ETF
URA
$5.35B
| $2.06M | ﹤0.01% |
+42,487
| New | +$2.21M |
|
2546
CALL
Upwork
UPWK
$1.15B
| $2.06M | ﹤0.01% |
187,700
+50,600
| +37% | +$797K |
|
2547
Southwest Airlines
LUV
$23.6B
| $2.06M | ﹤0.01% |
54,730
-112,758
| -67% | -$5.09M |
|
2548
CALL
West Pharmaceutical
WST
$24.9B
| $2.06M | ﹤0.01% |
+8,200
| New | +$2.04M |
|
2549
CALL
Halozyme
HALO
$9.14B
| $2.06M | ﹤0.01% |
31,800
-221,200
| -87% | -$15.6M |
|
2550
Boston Properties
BXP
$10.8B
| $2.05M | ﹤0.01% |
+39,525
| New | +$2.38M |
|
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.