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CenterStar Asset Management, LLC — 13F Holdings & Portfolio

CIK 1722053 · latest 13F-HR filed 2026-08-05

Backtest portfolio

CenterStar Asset Management, LLC manages $588.9M in 13F-reported U.S. long-equity assets across 234 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (14.16%), SPY (13.90%), SPY (10.88%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 26 new positions, exited 63, added to 10, and trimmed 14.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
300 SOUTH RIVERSIDE PLAZA
SUITE 2350
CHICAGO, IL 60606
Phone
(312) 256-9628
Filing Manager
CenterStar Asset Management, LLC
CHICAGO, IL
Signatory
Brian A. Corby
Chief Compliance Officer
Loading holdings…
AUM

$588.9M

Long-equity book

Holdings

234

Distinct positions

Period

2026-06-30

Filed 2026-08-05

Q/Q Activity

+26 / −63 / ↑10 / ↓14

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • STATE STR SPDR S&P 500 ETF T$46.2M +257.8%
  • TESLA INC$2.7M +107.4%
  • NVIDIA CORPORATION$2.5M +98.1%
  • AMERICAN EXPRESS CO$2.0M +800.2%
  • AMAZON COM INC$2.0M +112.0%
Show all 10 →

Top Trims

  • BROADCOM INC-$5.5M -87.6%
  • MICROSOFT CORP-$999.7K -27.9%
  • APPLE INC-$838.3K -34.8%
  • STARBUCKS CORP-$393.6K -22.9%
  • PORTILLOS INC-$386.0K -73.8%
Show all 14 →

New Positions

  • INVESCO EXCHANGE TRADED FD T$7.8M
  • ALPHABET INC$3.5M
  • SUPER MICRO COMPUTER INC$3.2M
  • TAIWAN SEMICONDUCTOR MANUFAC$2.7M
  • NEWMONT CORP$2.1M
Show all 26 →

Exited Positions

  • INVESCO QQQ TR$17.9M
  • 3M CO$1.7M
  • LAM RESEARCH CORP$1.6M
  • INTERNATIONAL BUSINESS MACHS$1.6M
  • TEXAS INSTRS INC$1.4M
Show all 63 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 STATE STR SPDR S&P 500 ETF T Put SPY 78462F103 $83.4M 14.16% 111,700 SH
2 STATE STR SPDR S&P 500 ETF T Call SPY 78462F103 $81.8M 13.90% 109,600 SH
3 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $64.1M 10.88% 85,734 SH
4 INVESCO QQQ TR Put QQQ 46090E103 $14.7M 2.50% 20,000 SH
5 VANECK ETF TRUST Put SMH 92189F676 $12.5M 2.12% 19,000 SH
6 META PLATFORMS INC Put META 30303M102 $9.2M 1.57% 16,400 SH
7 TAIWAN SEMICONDUCTOR MANUFAC Put TSM 874039100 $8.4M 1.42% 17,500 SH
8 APPLE INC Put AAPL 037833100 $7.9M 1.35% 27,400 SH
9 INVESCO EXCHANGE TRADED FD T RSP 46137V357 $7.8M 1.32% 36,500 SH
10 CEREBRAS SYSTEMS INC Call CBRS 15675D103 $7.2M 1.22% 32,500 SH
11 UNITEDHEALTH GROUP INC Put UNH 91324P102 $6.9M 1.18% 16,700 SH
12 INVESCO QQQ TR Call QQQ 46090E103 $6.4M 1.09% 8,700 SH
13 TESLA INC Put TSLA 88160R101 $5.9M 1.00% 14,000 SH
14 NVIDIA CORPORATION Call NVDA 67066G104 $5.2M 0.89% 26,200 SH
15 TESLA INC TSLA 88160R101 $5.2M 0.88% 12,328 SH
16 AMAZON COM INC Put AMZN 023135106 $5.2M 0.88% 21,700 SH
17 NVIDIA CORPORATION NVDA 67066G104 $5.1M 0.86% 25,306 SH
18 META PLATFORMS INC META 30303M102 $5.0M 0.85% 8,887 SH
19 APPLE INC Call AAPL 037833100 $4.3M 0.73% 14,900 SH
20 MICRON TECHNOLOGY INC Call MU 595112103 $4.0M 0.69% 3,500 SH
21 NEWMONT CORP Put NEM 651639106 $4.0M 0.68% 42,700 SH
22 BOEING CO Put BA 097023105 $3.9M 0.66% 18,000 SH
23 BROADCOM INC Call AVGO 11135F101 $3.9M 0.66% 10,300 SH
24 SPACE EXPLORATION TECHN CORP Call SPCX 84615Q103 $3.8M 0.65% 22,500 SH
25 MICROSOFT CORP Put MSFT 594918104 $3.8M 0.65% 10,200 SH
26 UNITEDHEALTH GROUP INC Call UNH 91324P102 $3.8M 0.64% 9,100 SH
27 AMAZON COM INC AMZN 023135106 $3.7M 0.64% 15,712 SH
28 NVIDIA CORPORATION Put NVDA 67066G104 $3.7M 0.63% 18,500 SH
29 MICRON TECHNOLOGY INC Put MU 595112103 $3.7M 0.63% 3,200 SH
30 CITIGROUP INC Put C 172967424 $3.7M 0.62% 26,200 SH
31 STARBUCKS CORP Put SBUX 855244109 $3.7M 0.62% 35,800 SH
32 ISHARES INC Put EWY 464286772 $3.6M 0.62% 18,000 SH
33 ALPHABET INC GOOG 02079K107 $3.5M 0.59% 9,880 SH
34 CORNING INC Call GLW 219350105 $3.5M 0.59% 13,600 SH
35 ALPHABET INC Put GOOG 02079K107 $3.5M 0.59% 9,800 SH
36 NEBIUS GROUP N.V. Call NBIS N97284108 $3.3M 0.56% 12,000 SH
37 SUPER MICRO COMPUTER INC Put SMCI 86800U302 $3.2M 0.54% 108,500 SH
38 SUPER MICRO COMPUTER INC SMCI 86800U302 $3.2M 0.54% 107,450 SH
39 ROKU INC Put ROKU 77543R102 $2.9M 0.49% 21,100 SH
40 AMAZON COM INC Call AMZN 023135106 $2.8M 0.47% 11,700 SH
41 AMERICAN EXPRESS CO Put AXP 025816109 $2.7M 0.47% 8,100 SH
42 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $2.7M 0.45% 5,563 SH
43 SPACE EXPLORATION TECHN CORP Put SPCX 84615Q103 $2.6M 0.44% 15,200 SH
44 MICROSOFT CORP MSFT 594918104 $2.6M 0.44% 6,919 SH
45 DELTA AIR LINES INC Put DAL 247361702 $2.5M 0.42% 26,600 SH
46 INTERNATIONAL BUSINESS MACHS Put IBM 459200101 $2.4M 0.40% 8,400 SH
47 MACYS INC Call M 55616P104 $2.4M 0.40% 100,000 SH
48 ISHARES SILVER TR Call SLV 46428Q109 $2.4M 0.40% 44,000 SH
49 AMERICAN EXPRESS CO AXP 025816109 $2.3M 0.39% 6,789 SH
50 SANDISK CORP Call SNDK 80004C200 $2.3M 0.39% 1,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-05 $588.9M 234 0001722053-26-000004
2026-03-31 2026-05-01 $797.5M 464 0001722053-26-000003
2025-12-31 2026-01-27 $355.5M 264 0001722053-26-000001