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 | |
|---|---|---|---|---|---|---|
1276
CALL
STMicroelectronics
STM
$55.1B
| $9.86M | ﹤0.01% |
285,300
+115,900
| +68% | +$3.63M |
|
1277
CALL
PACCAR
PCAR
$65.4B
| $9.83M | ﹤0.01% |
85,100
-78,500
| -48% | -$9.49M |
|
1278
Nu Holdings
NU
$67.6B
| $9.81M | ﹤0.01% |
+682,706
| New | +$11.1M |
|
1279
PUT
Vulcan Materials
VMC
$36.4B
| $9.8M | ﹤0.01% |
36,000
+20,400
| +131% | +$6M |
|
1280
PUT
Alexandria Real Estate Equities
ARE
$8.72B
| $9.79M | ﹤0.01% |
210,800
+46,000
| +28% | +$2.43M |
|
|
QXO
1281
CALL
QXO Inc
QXO
$14.1B
| $9.77M | ﹤0.01% |
503,000
+129,900
| +35% | +$2.97M |
|
1282
CALL
Ally Financial
ALLY
$14B
| $9.76M | ﹤0.01% |
248,900
+59,400
| +31% | +$2.45M |
|
1283
Oscar Health
OSCR
$8.92B
| $9.75M | ﹤0.01% |
850,444
+478,857
| +129% | +$6.75M |
|
1284
CALL
KeyCorp
KEY
$25.2B
| $9.75M | ﹤0.01% |
486,400
+104,000
| +27% | +$2.18M |
|
1285
CALL
Modine Manufacturing
MOD
$12.1B
| $9.75M | ﹤0.01% |
45,000
+4,200
| +10% | +$791K |
|
1286
PUT
Nice
NICE
$5.94B
| $9.75M | ﹤0.01% |
88,400
-16,900
| -16% | -$1.93M |
|
1287
Snap
SNAP
$7.67B
| $9.73M | ﹤0.01% |
2,116,196
+639,166
| +43% | +$3.76M |
|
1288
PUT
Agilent Technologies
A
$36.8B
| $9.73M | ﹤0.01% |
85,400
-33,200
| -28% | -$4.21M |
|
1289
PUT
Kraft Heinz
KHC
$30.7B
| $9.73M | ﹤0.01% |
432,500
-114,000
| -21% | -$2.68M |
|
1290
CALL
Viking Therapeutics
VKTX
$4.22B
| $9.71M | ﹤0.01% |
298,500
-27,600
| -8% | -$887K |
|
1291
PUT
GitLab
GTLB
$5.75B
| $9.7M | ﹤0.01% |
448,100
+62,000
| +16% | +$1.81M |
|
1292
Direxion Daily S&P 500 Bear 1X ETF
SPDN
$231M
| $9.69M | ﹤0.01% |
974,315
+734,884
| +307% | +$7M |
|
1293
PUT
MGM Resorts International
MGM
$11.9B
| $9.68M | ﹤0.01% |
261,600
-35,600
| -12% | -$1.27M |
|
1294
Hycroft Mining Holding Corp
HYMC
$1.71B
| $9.68M | ﹤0.01% |
275,038
+89,503
| +48% | +$3.46M |
|
1295
Shopify
SHOP
$162B
| $9.68M | ﹤0.01% |
81,570
+65,643
| +412% | +$8.63M |
|
1296
CALL
American Conservative Values ETF
ACVF
$149M
| $9.67M | ﹤0.01% |
683,000
+244,700
| +56% | +$12.1M |
|
1297
CALL
FuboTV Inc
FUBO
$277M
| $9.67M | ﹤0.01% |
1,022,100
+890,083
| +674% | +$17.6M |
|
1298
CALL
Jazz Pharmaceuticals
JAZZ
$15.3B
| $9.66M | ﹤0.01% |
51,100
-12,400
| -20% | -$2.17M |
|
|
GAP
1299
CALL
The Gap Inc
GAP
$7.16B
| $9.66M | ﹤0.01% |
399,000
-320,500
| -45% | -$8.48M |
|
1300
CALL
CleanSpark
CLSK
$3.7B
| $9.65M | ﹤0.01% |
1,133,600
-1,641,600
| -59% | -$17.6M |
|
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.