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 | Miscellaneous | 98.33% |
| 2 | Technology | 0.58% |
| 3 | Consumer Discretionary | 0.39% |
| 4 | Financials | 0.16% |
| 5 | Communication Services | 0.13% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
276
CALL
DoorDash
DASH
$82B
| $111M | 0.04% |
739,400
+15,700
| +2% | +$2.9M |
2020 Q4
21 quarters
|
|
277
CALL
Regeneron Pharmaceuticals
REGN
$81.4B
| $110M | 0.04% |
142,600
-87,300
| -38% | -$66.8M |
2024 Q4
5 quarters
|
|
278
CALL
Verizon
VZ
$186B
| $110M | 0.04% |
2,189,700
+683,000
| +45% | +$31.7M |
2018 Q4
29 quarters
|
|
279
CALL
Merck
MRK
$360B
| $110M | 0.04% |
911,200
-97,800
| -10% | -$11.3M |
2022 Q1
16 quarters
|
|
280
PUT
Freeport-McMoran
FCX
$99.9B
| $109M | 0.04% |
1,859,200
+396,800
| +27% | +$24M |
2018 Q4
29 quarters
|
|
281
PUT
Rockwell Automation
ROK
$47.3B
| $109M | 0.04% |
304,200
+277,800
| +1,052% | +$110M |
2025 Q3
2 quarters
|
|
282
PUT
Roblox
RBLX
$35.4B
| $107M | 0.04% |
1,894,700
+551,300
| +41% | +$37M |
2021 Q2
19 quarters
|
|
283
PUT
Ciena
CIEN
$47.2B
| $107M | 0.04% |
275,300
-696,900
| -72% | -$213M |
2018 Q4
29 quarters
|
|
284
Oracle
ORCL
$389B
| $106M | 0.04% |
+722,220
| New | +$117M |
2026 Q1
0 quarters
|
|
285
CALL
Procter & Gamble
PG
$370B
| $106M | 0.04% |
732,200
-256,500
| -26% | -$38.9M |
2018 Q4
29 quarters
|
|
286
PUT
Intuitive Surgical
ISRG
$151B
| $104M | 0.04% |
226,400
-7,100
| -3% | -$3.59M |
2018 Q4
29 quarters
|
|
287
CALL
Oklo
OKLO
$5.2B
| $104M | 0.04% |
2,102,800
-451,000
| -18% | -$32.4M |
2024 Q2
7 quarters
|
|
288
CALL
Celestica
CLS
$38.3B
| $104M | 0.04% |
369,900
+15,400
| +4% | +$4.47M |
2024 Q1
8 quarters
|
|
289
PUT
Synopsys
SNPS
$87.1B
| $104M | 0.04% |
262,200
-122,400
| -32% | -$55.3M |
2023 Q3
10 quarters
|
|
290
CALL
FTAI Aviation
FTAI
$16.9B
| $104M | 0.04% |
423,500
+171,600
| +68% | +$45.4M |
2024 Q1
8 quarters
|
|
291
PUT
Rocket Lab Corp
RKLB
$32.5B
| $103M | 0.04% |
1,605,100
-47,200
| -3% | -$3.56M |
2025 Q4
1 quarter
|
|
292
CALL
Honeywell
HON
$67B
| $103M | 0.04% |
454,600
+125,900
| +38% | +$28.8M |
2021 Q3
18 quarters
|
|
293
CALL
T-Mobile US
TMUS
$171B
| $102M | 0.04% |
487,500
+69,900
| +17% | +$14.4M |
2022 Q4
13 quarters
|
|
294
PUT
Valero Energy
VLO
$128B
| $102M | 0.04% |
413,500
+6,000
| +1% | +$1.24M |
2018 Q4
29 quarters
|
|
295
CALL
W.W. Grainger
GWW
$62.7B
| $102M | 0.04% |
93,600
+62,700
| +203% | +$68.5M |
2023 Q4
9 quarters
|
|
|
296
Broadcom
AVGO
$1.57T
| $101M | 0.04% |
327,438
-202,819
| -38% | -$66.7M |
2025 Q3
2 quarters
|
|
297
PUT
Charles Schwab
SCHW
$159B
| $99.5M | 0.04% |
1,059,200
+63,800
| +6% | +$6.26M |
2020 Q4
21 quarters
|
|
298
CALL
Ulta Beauty
ULTA
$25.4B
| $99.3M | 0.04% |
190,000
-20,400
| -10% | -$13M |
2018 Q4
29 quarters
|
|
|
SCIU
299
CALL
DELISTED
Global X Scientific Beta US ETF
SCIU
| $98.6M | 0.04% |
1,417,600
+738,400
| +109% | +$51.4M |
2024 Q1
8 quarters
|
|
300
PUT
ConocoPhillips
COP
$176B
| $98M | 0.04% |
742,200
-178,400
| -19% | -$19.8M |
2018 Q4
29 quarters
|
|
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's Q1 2026 filing shows 2,049 new, 1,848 increased, 1,770 reduced and 389 closed positions. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M. The largest sale was Invesco QQQ Trust, an estimated $426M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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.