CIK: 0001911322
Total reported value
$185.1M
Reporting period: 2026-06-30 · Number of holdings: 594
Byrne Asset Management LLC disclosed 594 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $185.1M and a quarterly turnover rate of 25.3%.
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Byrne Asset Management LLC's disclosed holdings carry a Herfindahl concentration index of 0.016 — mathematically equivalent to about 64 equally-sized positions, well below its 594 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 2.86), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Add AMD
-21.6% $2.8M
Add AMAT
-12.5% $1.9M
Add GLW
-10.1% $1.9M
Add MU
+2.9% $1.5M
Trim MSFT
-6.0% -$396.1K
Trim GLD
-34.4% -$742.8K
Showing top 200 holdings (of 594 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | GOOG | Alphabet A | Stock-Comm Services | 5.70% | +0.41% | -5.91% | |
| 2 | AAPL | Apple INC | Stock-Tech | 4.41% | +0.03% | -4.28% | |
| 3 | MSFT | Microsoft CORP | Stock-Tech | 3.82% | -0.56% | -6.02% | |
| 4 | NVDA | Nvidia CORP | Stock-Tech | 3.58% | -0.05% | -6.93% | |
| 5 | AMZN | Amazon.com INC | Stock-Consumer Disc | 2.94% | -0.03% | -6.45% | |
| 6 | AMD | Advanced Micro Devices | Stock-Tech | 2.78% | +1.43% | -21.65% | |
| 7 | JNJ | Johnson & Johnson | Stock-Healthcare | 2.49% | — | -1.91% | |
| 8 | GLW | Corning INC | Stock-Tech | 2.49% | +0.89% | -10.06% | |
| 9 | AMAT | Applied Materials INC | Stock-Tech | 2.25% | +0.94% | -12.46% | |
| 10 | CAT | Caterpillar INC | Stock-Industrials | 1.98% | +0.43% | -7.90% | |
| 11 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.57% | — | -7.56% | |
| 12 | BAC 0 10-07-08 RTY | Merrill Lynch & Co | Stock-Financials | 1.37% | -0.25% | -6.82% | |
| 13 | V | Visa Inc-class A Shares | Stock-Financials | 1.36% | — | -6.15% | |
| 14 | TOL | Toll Brothers INC | Stock-Consumer Disc | 1.34% | +0.06% | -5.93% | |
| 15 | CSCO | Cisco Systems INC | Stock-Tech | 1.29% | +0.30% | -6.72% | |
| 16 | VOO | Vanguard S&p 500 ETF | ETF-Large Cap & Growth | 1.22% | +0.06% | — | |
| 17 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.18% | -0.22% | -7.63% | |
| 18 | MU | Micron Technology INC | Stock-Tech | 1.17% | +0.81% | +2.86% | |
| 19 | IBM | Intl Business Machines CORP | Stock-Tech | 1.06% | — | -5.06% | |
| 20 | ASML | ASML Holding N.V. | Stock-Tech | 1.02% | +0.24% | -5.92% | |
| 21 | AEP | American Electric Power Company, Inc. | Stock-Utilities | 0.99% | +0.09% | -10.20% | |
| 22 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 0.92% | +0.15% | -7.76% | |
| 23 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.87% | — | -7.93% | |
| 24 | NRG | Nrg Energy INC | Stock-Utilities | 0.80% | — | -6.05% | |
| 25 | BLKCHF | Blackrock INC | Stock-Other | 0.80% | — | -6.07% | |
| 26 | ERC | Allspring Multi-sector INC | Stock-Other | 0.79% | — | -14.04% | |
| 27 | XFRAX | Blackrock Fltng Rt INC Strat | Stock-Other | 0.79% | -0.20% | -13.76% | |
| 28 | DE | Deere & Co | Stock-Industrials | 0.79% | — | -4.86% | |
| 29 | BGT | Blackrock Fltng Rt INC Tr | Stock-Other | 0.77% | -0.21% | -13.97% | |
| 30 | FTF | Franklin LTD Dur INC Tr | Stock-Other | 0.76% | -0.21% | -13.80% | |
| 31 | WMT | Walmart INC | Stock-Consumer Staples | 0.76% | -0.23% | -8.89% | |
| 32 | DIS | Walt Disney Co/the | Stock-Comm Services | 0.75% | — | -8.84% | |
| 33 | VVR | Invesco Senior Income Trust | Stock-Other | 0.75% | -0.26% | -13.87% | |
| 34 | XBI | Ss Spdr S&p Biotech ETF | ETF-Tech | 0.72% | — | -8.85% | |
| 35 | IXUS | Ishares Core Intl Stock ETF | ETF-Other | 0.71% | — | -6.28% | |
| 36 | ✓ | Warner Brothers Discover | Stock-Other | 0.69% | — | -11.19% | |
| 37 | HII | Huntington Ingalls Industrie | Stock-Industrials | 0.67% | -0.36% | -5.27% | |
| 38 | XOM | Exxon Mobil CORP | Stock-Energy | 0.65% | -0.26% | -4.44% | |
| 39 | CXDO | Crexendo INC | Stock-Other | 0.63% | -0.29% | -9.59% | |
| 40 | LEN-B | Lennar CORP - B Shs | Stock-Other | 0.62% | — | -9.49% | |
| 41 | GEV | GE Vernova INC | Stock-Industrials | 0.62% | — | -19.90% | |
| 42 | ORCL | Oracle CORP | Stock-Tech | 0.61% | — | -2.99% | |
| 43 | FCX | Freeport-mcmoran INC | Stock-Materials | 0.60% | — | -6.24% | |
| 44 | AIG | American International Group | Stock-Financials | 0.59% | — | -10.32% | |
| 45 | DGX | Quest Diagnostics INC | Stock-Healthcare | 0.58% | — | -7.59% | |
| 46 | KKR | KKR & Co. Inc. | Stock-Financials | 0.56% | — | -0.31% | |
| 47 | AXP | American Express Co | Stock-Financials | 0.56% | — | -5.96% | |
| 48 | CRH | CRH plc | Stock-Materials | 0.56% | — | -9.19% | |
| 49 | QCOM | Qualcomm INC | Stock-Tech | 0.54% | — | -14.90% | |
| 50 | COP | Conocophillips | Stock-Energy | 0.54% | -0.26% | -7.01% |
Performance for Q3 2026
+2.9%
Performance Last 4 Quarters
+17.4%
Based on 67% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-06-30 | 594 | $185.1M | 25 | |
| 2026-03-31 | 569 | $170.7M | 28 | |
| 2025-12-31 | 567 | $181.1M | 21 | |
| 2025-09-30 | 564 | $162.5M | 30 | |
| 2025-06-30 | 543 | $151.0M | 0 | |
| 2025-03-31 | 560 | $135.5M | 0 | |
| 2024-12-31 | 541 | $142.2M | 0 | |
| 2024-09-30 | 541 | $146.6M | 0 | |
| 2024-06-30 | 537 | $140.2M | 0 | |
| 2024-03-31 | 535 | $144.4M | 0 | |
| 2023-12-31 | 545 | $131.3M | 0 | |
| 2023-09-30 | 530 | $120.9M | 0 | |
| 2023-06-30 | 587 | $153.8M | 0 | |
| 2023-03-31 | 604 | $140.0M | 0 | |
| 2022-12-31 | 523 | $138.0M | 0 | |
| 2022-09-30 | 510 | $129.7M | 0 | |
| 2022-06-30 | 522 | $135.5M | 0 | |
| 2022-03-31 | 534 | $160.5M | 0 | |
| 2021-12-31 | 533 | $154.4M | 0 |
Byrne Asset Management LLC's most significant position changes for 2026-06-30: New buy: Universal Display CORP (OLED); Sold out: Cal-maine Foods INC (CALM); Sold out: Lifeway Foods INC (LWAY); New buy: Liberty Media Corp-braves C (BATRKUSD); New buy: Zebra Technologies Corp-cl A (ZBRA).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | AMD | Advanced Micro Devices | +1.4% | -21.65% | Trim |
| 2 | AMAT | Applied Materials INC | +0.9% | -12.46% | Trim |
| 3 | GLW | Corning INC | +0.9% | -10.06% | Trim |
| 4 | MU | Micron Technology INC | +0.8% | +2.86% | Add |
| 5 | CAT | Caterpillar INC | +0.4% | -7.90% | Trim |
| 6 | GOOG | Alphabet A | +0.4% | -5.91% | Trim |
| 7 | CSCO | Cisco Systems INC | +0.3% | -6.72% | Trim |
| 8 | SNDK | Sandisk Corporation | +0.3% | -9.00% | Trim |
| 9 | ASML | ASML Holding N.V. | +0.2% | -5.92% | Trim |
| 10 | TDUP | Thredup INC - Class A | +0.2% | — | Unchanged |
| 11 | C | Citigroup INC | +0.2% | +194.33% | Add |
| 12 | INTC | Intel CORP | +0.2% | +47.87% | Add |
| 13 | OLED | Universal Display CORP | +0.2% | NEW | New buy |
| 14 | TSM | Taiwan Semiconductor-sp Adr | +0.2% | -7.76% | Trim |
| 15 | XLK | Ss Technology Select Sector | +0.1% | -0.39% | Trim |
| 16 | BATRKUSD | Liberty Media Corp-braves C | +0.1% | NEW | New buy |
| 17 | ZBRA | Zebra Technologies Corp-cl A | +0.1% | NEW | New buy |
| 18 | PLAB | Photronics INC | +0.1% | NEW | New buy |
| 19 | ACM | Aecom | +0.1% | NEW | New buy |
| 20 | HE | Hawaiian Electric Inds | +0.1% | NEW | New buy |
| 21 | LLY | Eli Lilly & Co | +0.1% | +17.50% | Add |
| 22 | AEP | American Electric Power Company, Inc. | +0.1% | -10.20% | Trim |
| 23 | CVS | Cvs Health CORP | +0.1% | -8.48% | Trim |
| 24 | JOE | St Joe Co/the | +0.1% | +31.88% | Add |
| 25 | TOL | Toll Brothers INC | +0.1% | -5.93% | Trim |
| 26 | VOO | Vanguard S&p 500 ETF | +0.1% | — | Unchanged |
| 27 | AAPL | Apple INC | 0% | -4.28% | Trim |
| 28 | AMZN | Amazon.com INC | 0% | -6.45% | Trim |
| 29 | NVDA | Nvidia CORP | -0.1% | -6.93% | Trim |
| 30 | WHR | Whirlpool CORP | -0.1% | -37.99% | Trim |
| 31 | CALM | Cal-maine Foods INC | -0.2% | EXIT | Sold out |
| 32 | LWAY | Lifeway Foods INC | -0.2% | EXIT | Sold out |
| 33 | BYDDY | Byd Co Ltd-unsponsored Adr | -0.2% | -53.01% | Trim |
| 34 | XFRAX | Blackrock Fltng Rt INC Strat | -0.2% | -13.76% | Trim |
| 35 | BGT | Blackrock Fltng Rt INC Tr | -0.2% | -13.97% | Trim |
| 36 | FTF | Franklin LTD Dur INC Tr | -0.2% | -13.80% | Trim |
| 37 | GEHC | GE Healthcare Technology | -0.2% | -17.84% | Trim |
| 38 | META | Meta Platforms Inc-class A | -0.2% | -7.63% | Trim |
| 39 | WMT | Walmart INC | -0.2% | -8.89% | Trim |
| 40 | SSNC | Ss&c Technologies Holdings | -0.2% | -62.04% | Trim |
| 41 | T | At&t INC | -0.3% | -7.82% | Trim |
| 42 | ABT | Abbott Laboratories | -0.3% | -21.21% | Trim |
| 43 | BAC 0 10-07-08 RTY | Merrill Lynch & Co | -0.3% | -6.82% | Trim |
| 44 | COP | Conocophillips | -0.3% | -7.01% | Trim |
| 45 | XOM | Exxon Mobil CORP | -0.3% | -4.44% | Trim |
| 46 | VVR | Invesco Senior Income Trust | -0.3% | -13.87% | Trim |
| 47 | CXDO | Crexendo INC | -0.3% | -9.59% | Trim |
| 48 | HII | Huntington Ingalls Industrie | -0.4% | -5.27% | Trim |
| 49 | GLD | Spdr Gold Shares | -0.5% | -34.43% | Trim |
| 50 | MSFT | Microsoft CORP | -0.6% | -6.02% | Trim |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-06-30 | 2026-07-07 | 13F-HR | View on EDGAR |
| 2026-03-31 | 2026-04-02 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-01-12 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-10-22 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-07-09 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-04-16 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-01-28 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2025-01-29 | Amendment | View on EDGAR |
| 2024-09-30 | 2025-01-28 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-07-23 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-04-22 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-01-29 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-10-31 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-07-21 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-04-17 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-01-30 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-10-19 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-07-20 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-04-05 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-22 | 13F-HR | View on EDGAR |
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