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 | |
|---|---|---|---|---|---|---|
|
SMCZ
4526
Defiance Daily Target 2X Short SMCI ETF
SMCZ
$3.49M
| $318K | ﹤0.01% |
+6,935
| New | +$302K |
|
4527
CALL
Brookfield Infrastructure Partners
BIP
$18.8B
| $318K | ﹤0.01% |
+8,800
| New | +$323K |
|
|
CWAN
4528
DELISTED
Clearwater Analytics
CWAN
| $318K | ﹤0.01% |
+13,436
| New | +$318K |
|
4529
CALL
Clearfield
CLFD
$421M
| $318K | ﹤0.01% |
+12,000
| New | +$366K |
|
|
MFA
4530
PUT
MFA Financial
MFA
$929M
| $317K | ﹤0.01% |
33,100
+1,500
| +5% | +$14.8K |
|
4531
PUT
The RealReal
REAL
$1.34B
| $317K | ﹤0.01% |
34,900
+9,600
| +38% | +$121K |
|
|
AGNT
4532
CALL
AGNT Inc
AGNT
$664M
| $317K | ﹤0.01% |
52,900
+22,400
| +73% | +$173K |
|
4533
CALL
Wyndham Hotels & Resorts
WH
$5.46B
| $317K | ﹤0.01% |
+3,900
| New | +$306K |
|
4534
BioMarin Pharmaceuticals
BMRN
$11.5B
| $316K | ﹤0.01% |
+5,600
| New | +$327K |
|
4535
PUT
Open Text
OTEX
$5.43B
| $316K | ﹤0.01% |
+14,200
| New | +$369K |
|
4536
CALL
Veritone
VERI
$96.7M
| $316K | ﹤0.01% |
160,300
+97,600
| +156% | +$330K |
|
4537
PUT
Rayonier
RYN
$6.49B
| $315K | ﹤0.01% |
15,300
+3,200
| +26% | +$70.5K |
|
|
MNTN
4538
CALL
MNTN Inc
MNTN
$634M
| $315K | ﹤0.01% |
+35,800
| New | +$358K |
|
4539
Ferrovial N.V. Ordinary Shares
FER
$45.3B
| $315K | ﹤0.01% |
+4,890
| New | +$329K |
|
4540
PUT
Trevi Therapeutics
TRVI
$2.49B
| $315K | ﹤0.01% |
26,400
-4,500
| -15% | -$50.4K |
|
4541
PUT
Kodiak Gas Services
KGS
$5.96B
| $315K | ﹤0.01% |
5,400
-62,800
| -92% | -$3.05M |
|
4542
CALL
BBVA Argentina
BBAR
$3.85B
| $315K | ﹤0.01% |
+19,600
| New | +$325K |
|
4543
PUT
Xometry
XMTR
$4.77B
| $314K | ﹤0.01% |
+7,700
| New | +$409K |
|
4544
PUT
Pilgrim's Pride
PPC
$6.82B
| $313K | ﹤0.01% |
+8,300
| New | +$335K |
|
4545
Prairie Operating Co
PROP
$78.2M
| $313K | ﹤0.01% |
+154,150
| New | +$278K |
|
4546
CALL
Chegg
CHGG
$108M
| $313K | ﹤0.01% |
+421,900
| New | +$296K |
|
4547
PUT
Buckle
BKE
$2.19B
| $312K | ﹤0.01% |
+6,200
| New | +$321K |
|
4548
PUT
Fidelity Enhanced Large Cap Core ETF
FELC
$7.83B
| $312K | ﹤0.01% |
+1,500
| New | +$56.9K |
|
4549
CALL
Ethan Allen Interiors
ETD
$581M
| $312K | ﹤0.01% |
+14,000
| New | +$325K |
|
4550
CALL
The Bancorp
TBBK
$2.79B
| $312K | ﹤0.01% |
+5,800
| New | +$347K |
|
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.