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ARM

Arm Holdings Plc /Uk

Company with tickers: ARM

CIK
1973239
CUSIP
042068205
Shares Outstanding
1,063,998,569
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 29
Total Value: $77,109,067
Total Shares: 509,711

Institutional Ownership Trend

11 quarters

Holder Concentration

Across 29 13F filers · Δ vs Dec 31, 2025
Top Holder
68.1%
+57.4 pts
Top 5
93.6%
+58.9 pts
Top 10
97.1%
+45.8 pts
HHI
4,859
Highly concentrated +4,497

Quarterly Activity

vs Dec 31, 2025
New
28
Increased
1
Decreased
0
Sold Out
650
Unchanged
0
Holder count: -622
Institutional value: -99.5%
Shares held: -99.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds
Micro BankChampaign, National Association +1,285 3,373

Top Sellers

vs Dec 31, 2025
No qualifying movers this quarter.

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
Mid Liontrust Investment Partners LLP 347,339 $52,545,443
Mid ZEVENBERGEN CAPITAL INVESTMENTS LLC 57,100 $8,638,088
Mid Groupe la Francaise 41,953 $6,346,649
Micro CTC Alternative Strategies, Ltd. 15,346 $2,321,542
Mid Farther Finance Advisors, LLC 15,243 $2,305,961

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD)
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP 16,743,916 $1,830,277,457
Mega JANE STREET GROUP, LLC 12,796,361 $1,398,770,220
Mega GOLDMAN SACHS GROUP INC 8,339,657 $911,607,906
Mega GOLDMAN SACHS GROUP INC 8,339,657 $911,607,906
Mega CITADEL ADVISORS LLC 7,840,315 $857,024,832
29 of 29 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Mid Liontrust Investment Partners LLP $52,545,443 68.14% 347,339 View
Mid ZEVENBERGEN CAPITAL INVESTMENTS LLC $8,638,088 11.20% 57,100 View
Mid Groupe la Francaise $6,346,649 8.23% 41,953 View
Micro CTC Alternative Strategies, Ltd. $2,321,542 3.01% 15,346 View
Mid Farther Finance Advisors, LLC $2,305,961 2.99% 15,243 View
Small E Fund Management (Hong Kong) Co., Ltd. $652,773 0.85% 4,315 View
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $604,666 0.78% 3,997 View
Micro Gainplan LLC $529,480 0.69% 3,500 View
Micro BankChampaign, National Association $510,267 0.66% 3,373 View
Small Mirador Capital Partners LP $416,776 0.54% 2,755 View
Mid PARK AVENUE SECURITIES LLC $409,514 0.53% 2,707 View
Small Accel Wealth Management $390,453 0.51% 2,581 View
Small Parisi Gray Wealth Management $364,433 0.47% 2,409 View
Micro LEIGH BALDWIN & CO., LLC $247,342 0.32% 1,635 View
Micro Crescent Sterling, Ltd. $219,053 0.28% 1,448 View
Small RDA Financial Network $209,220 0.27% 1,383 View
Small CoreCap Advisors, LLC $112,098 0.15% 741 View
Micro Comprehensive Financial Planning, Inc./PA $105,896 0.14% 700 View
Small SOA Wealth Advisors, LLC. $76,396 0.10% 505 View
Mid GAMMA Investing LLC $51,737 0.07% 342 View
Small Wealth Enhancement Trust Services, Inc. $10,740 0.01% 71 View
Small Hilltop National Bank $10,135 0.01% 67 View
Small Versant Capital Management, Inc $7,715 0.01% 51 View
Micro JDM Financial Group LLC $5,143 0.01% 34 View
Small Investors Research Corp $4,538 0.01% 30 View
Mid SIGNATUREFD, LLC $4,538 0.01% 30 View
Micro Aspect Partners, LLC $4,387 0.01% 29 View
Micro IFS Advisors, LLC $2,269 0.00% 15 View
Micro Retirement Wealth Solutions LLC $1,815 0.00% 12 View

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