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Arm Holdings Plc

Holders

2

Combined Value

$18.70M

Combined Shares

123,600

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$95.42$121.94$148.47$174.99Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $163.62Q3 2024 · implied price $143.01Q4 2024 · implied price $123.36Q1 2025 · implied price $106.79Q2 2025 · implied price $161.74Q3 2025 · implied price $141.49Q4 2025 · implied price $109.31Q1 2026 · implied price $151.28Jim Simons - Renaissance Technologies · bought 673,700 shares @ ~$163.62 · Q2 2024 (new position)Chase Coleman - Tiger Global Management · bought 300,000 shares @ ~$163.62 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 19,500 shares @ ~$106.79 · Q1 2025 (new position)Chase Coleman - Tiger Global Management · sold 300,000 shares @ ~$123.36 · Q1 2025 (sold out)Stanley Druckenmiller - Duquesne Family Office · sold 178,394 shares @ ~$123.36 · Q1 2025 (sold out)Jim Simons - Renaissance Technologies · bought 396,300 shares @ ~$143.01 · Q3 2024Stanley Druckenmiller - Duquesne Family Office · bought 21,610 shares @ ~$142.99 · Q3 2024 (new position)Stanley Druckenmiller - Duquesne Family Office · bought 156,784 shares @ ~$123.36 · Q4 2024Jim Simons - Renaissance Technologies · sold 1,070,000 shares @ ~$143.01 · Q4 2024 (sold out)Philippe Laffont - Coatue Management · bought 4,633,454 shares @ ~$161.74 · Q2 2025 (new position)Jim Simons - Renaissance Technologies · bought 167,100 shares @ ~$161.74 · Q2 2025Jim Simons - Renaissance Technologies · bought 308,800 shares @ ~$141.49 · Q3 2025Stanley Druckenmiller - Duquesne Family Office · bought 167,900 shares @ ~$141.49 · Q3 2025 (new position)Philippe Laffont - Coatue Management · sold 2,373,628 shares @ ~$141.49 · Q3 2025Philippe Laffont - Coatue Management · bought 40,174 shares @ ~$109.31 · Q4 2025Stanley Druckenmiller - Duquesne Family Office · sold 167,900 shares @ ~$141.49 · Q4 2025 (sold out)Jim Simons - Renaissance Technologies · sold 21,800 shares @ ~$109.31 · Q4 2025Stanley Druckenmiller - Duquesne Family Office · bought 106,700 shares @ ~$151.28 · Q1 2026 (new position)Philippe Laffont - Coatue Management · sold 2,300,000 shares @ ~$109.31 · Q1 2026 (sold out)Jim Simons - Renaissance Technologies · sold 456,700 shares @ ~$151.28 · Q1 2026BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Stanley Druckenmiller - Duquesne Family Office$16.14M0.48%~$151.28—BUY Q1 2026Q1 2026
Jim Simons - Renaissance Technologies$2.56M0.00%~$146.95—SELL Q1 2026Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Philippe Laffont - Coatue ManagementSOLD OUT−$251.41M~$109.31
Q1 2026Jim Simons - Renaissance TechnologiesSELL−$69.09M~$151.28
Q1 2026Stanley Druckenmiller - Duquesne Family OfficeNEW BUY+$16.14M~$151.28
Q4 2025Stanley Druckenmiller - Duquesne Family OfficeSOLD OUT−$23.76M~$141.49
Q4 2025Philippe Laffont - Coatue ManagementBUY+$4.39M~$109.31
Q4 2025Jim Simons - Renaissance TechnologiesSELL−$2.38M~$109.31
Q3 2025Philippe Laffont - Coatue ManagementSELL−$335.84M~$141.49
Q3 2025Jim Simons - Renaissance TechnologiesBUY+$43.69M~$141.49
Q3 2025Stanley Druckenmiller - Duquesne Family OfficeNEW BUY+$23.76M~$141.49
Q2 2025Philippe Laffont - Coatue ManagementNEW BUY+$749.41M~$161.74
Q2 2025Jim Simons - Renaissance TechnologiesBUY+$27.03M~$161.74
Q1 2025Chase Coleman - Tiger Global ManagementSOLD OUT−$37.01M~$123.36
Q1 2025Stanley Druckenmiller - Duquesne Family OfficeSOLD OUT−$22.01M~$123.36
Q1 2025Jim Simons - Renaissance TechnologiesNEW BUY+$2.08M~$106.79
Q4 2024Jim Simons - Renaissance TechnologiesSOLD OUT−$153.02M~$143.01
Q4 2024Stanley Druckenmiller - Duquesne Family OfficeBUY+$19.34M~$123.36
Q3 2024Jim Simons - Renaissance TechnologiesBUY+$56.67M~$143.01
Q3 2024Stanley Druckenmiller - Duquesne Family OfficeNEW BUY+$3.09M~$142.99
Q2 2024Jim Simons - Renaissance TechnologiesNEW BUY+$110.23M~$163.62
Q2 2024Chase Coleman - Tiger Global ManagementNEW BUY+$49.09M~$163.62

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 20262123,600-95.5%$18.70M$151.28
Q4 202522,773,600-5.1%$303.18M$109.31
Q3 202532,923,126-39.4%$413.59M$141.49
Q2 202524,820,054+24618.2%$779.60M$161.74
Q1 2025119,500-95.9%$2.08M$106.79
Q4 20242478,394-65.6%$59.02M$123.36
Q3 202431,391,610+42.9%$199.01M$143.01
Q2 20242973,700—$159.32M$163.62