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 | |
|---|---|---|---|---|---|---|
3476
CALL
Columbia Banking Systems
COLB
$9.51B
| $820K | ﹤0.01% |
29,900
-11,400
| -28% | -$330K |
|
3477
Sharplink Inc
SBET
$1.32B
| $818K | ﹤0.01% |
126,891
+28,196
| +29% | +$228K |
|
3478
CALL
Genmab
GMAB
$17.4B
| $818K | ﹤0.01% |
30,500
+20,200
| +196% | +$605K |
|
|
BSOL
3479
PUT
Bitwise Solana Staking ETF
BSOL
$576M
| $817K | ﹤0.01% |
+73,900
| New | +$1M |
|
3480
PUT
Trex
TREX
$4.46B
| $816K | ﹤0.01% |
22,400
+6,400
| +40% | +$257K |
|
3481
GraniteShares 2x Long COIN Daily ETF
CONL
$633M
| $814K | ﹤0.01% |
+116,216
| New | +$1.21M |
|
3482
iShares US Utilities ETF
IDU
$1.37B
| $813K | ﹤0.01% |
+7,000
| New | +$796K |
|
3483
PUT
Flywire
FLYW
$2.16B
| $811K | ﹤0.01% |
+69,700
| New | +$877K |
|
3484
Mid-America Apartment Communities
MAA
$15.4B
| $810K | ﹤0.01% |
+6,635
| New | +$876K |
|
3485
PUT
Host Hotels & Resorts
HST
$16.7B
| $809K | ﹤0.01% |
42,200
-38,400
| -48% | -$733K |
|
|
BLD
3486
PUT
DELISTED
TopBuild
BLD
| $808K | ﹤0.01% |
+2,300
| New | +$1.03M |
|
|
JBTM
3487
PUT
JBT Marel
JBTM
$6.9B
| $806K | ﹤0.01% |
+6,300
| New | +$953K |
|
3488
International Seaways
INSW
$4.48B
| $805K | ﹤0.01% |
+11,052
| New | +$707K |
|
3489
CALL
Huazhu Hotels Group
HTHT
$12.3B
| $805K | ﹤0.01% |
+16,000
| New | +$816K |
|
3490
CALL
Direxion Daily S&P Biotech Bear 3X ETF
LABD
$60.5M
| $804K | ﹤0.01% |
49,300
-11,100
| -18% | -$210K |
|
3491
Sempra
SRE
$59.2B
| $801K | ﹤0.01% |
+8,244
| New | +$754K |
|
|
NUAI
3492
PUT
New Era Energy & Digital Inc
NUAI
$599M
| $800K | ﹤0.01% |
+197,100
| New | +$989K |
|
3493
PUT
Surgery Partners
SGRY
$2.13B
| $800K | ﹤0.01% |
+67,100
| New | +$963K |
|
3494
Bakkt Inc
BKKT
$372M
| $800K | ﹤0.01% |
108,663
+87,511
| +414% | +$1.04M |
|
3495
PUT
EPR Properties
EPR
$4.75B
| $799K | ﹤0.01% |
+16,000
| New | +$880K |
|
3496
CALL
Lazard
LAZ
$4.28B
| $799K | ﹤0.01% |
18,800
+5,600
| +42% | +$274K |
|
3497
Direxion Daily CSI China Internet Index Bull 2X ETF
CWEB
$231M
| $798K | ﹤0.01% |
+29,817
| New | +$1.09M |
|
3498
PUT
Ultragenyx Pharmaceutical
RARE
$2.82B
| $798K | ﹤0.01% |
38,100
+14,700
| +63% | +$331K |
|
3499
PUT
Lattice Semiconductor
LSCC
$18.6B
| $798K | ﹤0.01% |
8,600
-11,200
| -57% | -$1M |
|
3500
PUT
OSI Systems
OSIS
$3.47B
| $797K | ﹤0.01% |
+3,000
| New | +$829K |
|
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.