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Equibles

ARM

Arm Holdings PLC /Uk

Company with tickers: ARM

CIK
1973239
CUSIP
042068205
Shares Outstanding
1,068,078,760
13F Activity (30d)
417 filings 401 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 754
Total Value: $21,295,904,373
Total Shares: 140,771,449
Showing 1–100 of 820 holdings by value · page 1 of 9

Institutional Ownership Trend

11 quarters

Holder Concentration

Across 754 13F filers · Δ vs Dec 31, 2025
Top Holder
11.8%
Sep 2023 → Mar 2026 · range 7.4% – 21.9%
+0.3 pts
Top 5
33.2%
Sep 2023 → Mar 2026 · range 31.0% – 47.0%
−2.5 pts
Top 10
47.7%
Sep 2023 → Mar 2026 · range 47.7% – 62.4%
−2.0 pts
HHI
344
Sep 2023 → Mar 2026 · range 316 – 726
Broadly held −27

Quarterly Activity

vs Dec 31, 2025
New
189
Increased
228
Decreased
223
Sold Out
97
Unchanged
114
Holder count: +92
Institutional value: +33.6%
Shares held: -3.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main +7,695,019 9,826,278
Mega Capital Research Global Investors +2,413,619 4,218,729
Mega VAN ECK ASSOCIATES CORP +2,162,503 2,212,884
Mega SCHRODER INVESTMENT MANAGEMENT GROUP +1,933,035 3,824,345
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +872,644 945,152

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega GOLDMAN SACHS GROUP INC −4,219,896 4,119,761
Mega JANE STREET GROUP, LLC −3,877,834 8,918,527
Large PEAK6 LLC −2,550,015 2,887,860
Large Walleye Trading LLC −2,285,577 3,729,002
Mega BANK OF AMERICA CORP /DE/ −1,639,301 706,252

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mid Altimeter Capital Management, LP 1,715,440 $259,511,763
Mega Capital International Investors 1,165,530 $176,321,378
Mega JANUS HENDERSON GROUP PLC 767,534 $116,112,543
Mid Analog Century Management LP 691,364 $104,589,545
Mid Whale Rock Capital Management LLC 452,384 $68,436,651

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Large COATUE MANAGEMENT LLC 2,300,000 $251,412,998
Mega Capital World Investors 1,165,776 $127,430,974
Large MARSHALL WACE, LLP 1,128,252 $123,329,225
Large TWO SIGMA ADVISERS, LP 712,100 $77,839,651
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC 343,576 $37,556,292
Filter: New 189 Increased 228 Reduced 223 Sold out 97 Unchanged 114
Showing 100 of 820
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank $1,418,443,334 6.66% 9,376,278
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,253,793,512 5.89% 8,287,900
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,135,870,752 5.33% 7,508,400
Mega JANE STREET GROUP, LLC $754,796,432 3.54% 4,989,400
Mega MORGAN STANLEY $675,285,926 3.17% 4,463,815
Mega Capital Research Global Investors $638,209,323 3.00% 4,218,729
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $578,546,910 2.72% 3,824,345
Mega BARCLAYS PLC $570,310,472 2.68% 3,769,900
Mega JANE STREET GROUP, LLC $546,665,408 2.57% 3,613,600
Mega CITADEL ADVISORS LLC $537,104,512 2.52% 3,550,400
Mega Invesco Ltd. $446,613,503 2.10% 2,952,231
Mega CITADEL ADVISORS LLC $407,276,016 1.91% 2,692,200
Mega FMR LLC $370,489,257 1.74% 2,449,030
Mega VAN ECK ASSOCIATES CORP $334,765,091 1.57% 2,212,884
Large Walleye Trading LLC $321,727,176 1.51% 2,126,700
Large Sustainable Growth Advisers, LP $303,643,013 1.43% 2,007,159
Mid Alphabet Inc. $296,627,403 1.39% 1,960,784
Mid Altimeter Capital Management, LP $259,511,763 1.22% 1,715,440
Mega UBS Group AG $253,703,365 1.19% 1,677,045
Mega WELLINGTON MANAGEMENT GROUP LLP $250,474,748 1.18% 1,655,703
Large PEAK6 LLC $249,838,920 1.17% 1,651,500
Mega GOLDMAN SACHS GROUP INC $246,565,371 1.16% 1,629,861
Mid Hyperion Asset Management Ltd $241,826,677 1.14% 1,598,537
Large Walleye Trading LLC $238,704,712 1.12% 1,577,900
Mega FRANKLIN RESOURCES INC $234,642,691 1.10% 1,551,049
Mega GOLDMAN SACHS GROUP INC $217,313,720 1.02% 1,436,500
Large Employees Provident Fund Board $211,792,000 0.99% 1,400,000
Large Mubadala Investment Co PJSC $208,306,508 0.98% 1,376,960
Mega BlackRock, Inc. $187,993,230 0.88% 1,242,684
Mega Capital International Investors $176,321,378 0.83% 1,165,530
Large PEAK6 LLC $172,897,912 0.81% 1,142,900
Mega GOLDMAN SACHS GROUP INC $159,358,352 0.75% 1,053,400
Mid Robeco Schweiz AG $152,400,077 0.72% 1,007,404
Large SG Americas Securities, LLC Broker-Dealer $146,903,015 0.69% 971,067
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $142,982,594 0.67% 945,152
Mid LANSDOWNE PARTNERS (UK) LLP $141,522,893 0.66% 935,503
Large Balyasny Asset Management L.P. $139,892,095 0.66% 924,723
Large LOOMIS SAYLES & CO L P $130,140,434 0.61% 860,262
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $118,092,042 0.55% 780,619
Mega JANUS HENDERSON GROUP PLC $116,112,543 0.55% 767,534
Mega CITIGROUP INC $113,922,612 0.53% 753,058
Mega FIRST TRUST ADVISORS LP $112,007,409 0.53% 740,398
Mega BANK OF AMERICA CORP /DE/ Bank $106,841,800 0.50% 706,252
Mid Analog Century Management LP $104,589,545 0.49% 691,364
Large Centiva Capital, LP $102,961,168 0.48% 680,600
Large Artisan Partners Limited Partnership $101,214,489 0.48% 669,054
Mega D. E. Shaw & Co., Inc. $99,239,680 0.47% 656,000
Mega BARCLAYS PLC $97,382,868 0.46% 643,726
Large BAILLIE GIFFORD & CO $92,567,776 0.43% 611,897
Large Bridgewater Associates, LP $89,763,652 0.42% 593,361
Mega TWO SIGMA INVESTMENTS, LP $87,748,148 0.41% 580,038
Large Robeco Institutional Asset Management B.V. $86,269,386 0.41% 570,263
Mega AMERIPRISE FINANCIAL INC $78,861,960 0.37% 521,298
Large Point72 Asset Management, L.P. $77,062,032 0.36% 509,400
Mega MILLENNIUM MANAGEMENT LLC $76,456,912 0.36% 505,400
Large Rathbones Group PLC $75,266,035 0.35% 497,528
Mega PRICE T ROWE ASSOCIATES INC /MD/ $74,711,896 0.35% 493,865
Mega MILLENNIUM MANAGEMENT LLC $74,202,840 0.35% 490,500
Mid Altshuler Shaham Ltd $72,355,559 0.34% 478,289
Mega BARCLAYS PLC $71,283,136 0.33% 471,200
Mid NZS Capital, LLC $70,693,597 0.33% 467,303
Large SEI INVESTMENTS CO $68,714,401 0.32% 454,220
Mid Whale Rock Capital Management LLC $68,436,651 0.32% 452,384
Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank $68,076,000 0.32% 450,000
Large Swedbank AB Bank $63,688,880 0.30% 421,000
Large CREDIT AGRICOLE S A $62,781,200 0.29% 415,000
Mid GILDER GAGNON HOWE & CO LLC $61,761,118 0.29% 408,257
Mega UBS Group AG $59,276,950 0.28% 391,836
Mid Defiance ETFs, LLC Mutual Fund $58,630,681 0.28% 387,564
Mid Penserra Capital Management LLC $57,979,118 0.27% 383,257
Large Rafferty Asset Management, LLC $57,801,062 0.27% 382,080
Large Mirae Asset Global Investments Co., Ltd. $57,674,289 0.27% 381,242
Mid SIG BROKERAGE, LP Broker-Dealer $56,624,104 0.27% 374,300
Large Tidal Investments LLC $56,130,477 0.26% 371,037
Large Point72 Asset Management, L.P. $55,716,424 0.26% 368,300
Mega WELLS FARGO & COMPANY/MN $55,368,478 0.26% 366,000
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $54,718,882 0.26% 361,706
Large Parallax Volatility Advisers, L.P. $53,220,304 0.25% 351,800
Mid MARK ASSET MANAGEMENT LP $53,196,250 0.25% 351,641
Mid Liontrust Investment Partners LLP $52,545,443 0.25% 347,339
Large Schonfeld Strategic Advisors LLC $52,240,312 0.25% 345,322
Mega D. E. Shaw & Co., Inc. $49,665,224 0.23% 328,300
Mid Pacific Heights Asset Management LLC $49,166,000 0.23% 325,000
Mega JANE STREET GROUP, LLC $47,732,923 0.22% 315,527
Large CAPITAL FUND MANAGEMENT S.A. $47,426,280 0.22% 313,500
Large VOYA INVESTMENT MANAGEMENT LLC $46,822,975 0.22% 309,512
Mega D. E. Shaw & Co., Inc. $46,385,473 0.22% 306,620
Mega Nuveen, LLC $45,975,353 0.22% 303,909
Large 1832 Asset Management L.P. $45,384,000 0.21% 300,000
Mega UBS Group AG $44,340,168 0.21% 293,100
Small Tensor Edge Capital, LLC $43,789,660 0.21% 289,461
Mega CITADEL ADVISORS LLC $43,692,688 0.21% 288,820
Mega RAYMOND JAMES FINANCIAL INC $43,191,195 0.20% 285,505
Mega STATE STREET CORP $42,300,308 0.20% 279,616
Small TRAN CAPITAL MANAGEMENT, L.P. $41,285,370 0.19% 272,907
Mega MILLENNIUM MANAGEMENT LLC $40,870,409 0.19% 270,164
Mega LPL Financial LLC $39,371,073 0.18% 260,253
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $38,998,168 0.18% 257,788
Large Balyasny Asset Management L.P. $36,518,992 0.17% 241,400
Mega BNP PARIBAS ARBITRAGE, SA $36,385,865 0.17% 240,520

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