ARCH CAP GROUP LTD (G0450A105) Institutional Shareholders
ARCH CAP GROUP LTD (G0450A105) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $29.03B in G0450A105 holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of G0450A105 tracked by InsiderSet, reporting ownership valued at approximately $2.93B in its June 30, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 51% of the total disclosed G0450A105 value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Artisan Partners Limited Partnership, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in ARCH CAP GROUP LTD (G0450A105).
This page ranks the largest institutional G0450A105 shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
887
Total Reported Value
$29.03B
Largest Holder
Blackrock, Inc.
Largest Position
$2.93B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
37
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.04% | 30,220,703 | $2,933,221,492 | — | — | — | |
| Artisan Partners Limited Partnership | 3.55% | 22,666,011 | $2,175,710,396 | — | — | — | |
| Vanguard Capital Management Llc | 0.05% | 22,612,609 | $2,170,584,338 | — | — | — | |
| Bamco Inc | 4.84% | 16,709,759 | $1,603,969,766 | — | — | — | |
| State Street Corp | 0.05% | 16,251,212 | $1,577,342,637 | — | — | — | |
| Vanguard Portfolio Management Llc | 0.07% | 14,712,819 | $1,412,283,496 | — | — | — | |
| Wcm Investment Management, Llc | 2.75% | 12,602,412 | $1,205,042,680 | — | — | — | |
| Geode Capital Management, Llc | 0.06% | 10,586,271 | $1,012,639,995 | — | — | — | |
| Northern Trust Corp | 0.06% | 4,472,652 | $429,329,865 | — | — | — | |
| Morgan Stanley | 0.02% | 4,260,419 | $408,957,822 | — | — | — | |
| Dimensional Fund Advisors Lp | 0.08% | 4,173,885 | $400,642,660 | — | — | — | |
| Madison Asset Management, Llc | 4.85% | 4,076,446 | $391,298,084 | — | — | — | |
| Invesco Ltd. | 0.06% | 4,059,380 | $389,659,885 | — | — | — | |
| Allspring Global Investments Holdings, Llc | 0.58% | 3,631,694 | $346,790,413 | — | — | — | |
| Royal Bank Of Canada | 0.06% | 3,532,044 | $339,041,000 | — | — | — | |
| Polar Capital Holdings Plc | 1.38% | 3,300,000 | $316,767,000 | — | — | — | |
| Legal & General Group Plc | 0.07% | 3,287,725 | $315,588,721 | — | — | — | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.06% | 3,179,752 | $305,224,395 | — | — | — | |
| Marshfield Associates | 5.87% | 3,051,421 | $292,905,894 | — | — | — | |
| Principal Financial Group Inc | 0.14% | 2,868,362 | $278,406,471 | — | — | — | |
| Goldman Sachs Group Inc | 0.04% | 2,859,967 | $274,528,242 | — | — | — | |
| Aqr Capital Management Llc | 0.12% | 2,731,571 | $260,701,097 | — | — | — | |
| High Ground Investment Management Llp | 22.27% | 2,612,372 | $253,556,826 | — | — | — | |
| First Trust Advisors Lp | 0.18% | 2,626,148 | $252,083,923 | — | — | — | |
| Cooke & Bieler Lp | 2.49% | 2,219,448 | $215,419,623 | — | — | — | |
| Envestnet Asset Management Inc | 0.05% | 2,200,819 | $213,611,469 | — | — | — | |
| Boston Partners | 0.19% | 2,156,551 | $209,342,064 | — | — | — | |
| Charles Schwab Investment Management Inc | 0.03% | 2,149,791 | $206,358,438 | — | — | — | |
| Robeco Institutional Asset Management B.V. | 0.24% | 2,048,973 | $198,873,318 | — | — | — | |
| Jones Financial Companies Lllp | 0.09% | 2,114,031 | $197,494,760 | — | — | — | |
| Vanguard Fiduciary Trust Co | 0.05% | 1,995,615 | $191,559,084 | — | — | — | |
| Amundi | 0.05% | 1,959,309 | $188,074,071 | — | — | — | |
| Ubs Group Ag | 0.03% | 1,926,310 | $184,906,497 | — | — | — | |
| Arrowstreet Capital, Limited Partnership | 0.10% | 1,910,063 | $183,346,947 | — | — | — | |
| Swedbank Ab | 0.16% | 1,888,385 | $183,286,648 | — | — | — | |
| Storebrand Asset Management As | 0.06% | 3,306,587 | $178,429,070 | — | — | — | |
| Nuveen, Llc | 0.05% | 1,849,017 | $177,487,142 | — | — | — | |
| Brandes Investment Partners, Lp | 1.20% | 1,772,372 | $170,131,052 | — | — | — | |
| Bank Of America Corp | 0.01% | 1,741,934 | $167,208,215 | — | — | — | |
| Fmr Llc | 0.01% | 1,711,491 | $164,285,986 | — | — | — | |
| Gqg Partners Llc | 0.25% | 1,646,026 | $158,002,036 | — | — | — | |
| Sei Investments Co | 0.14% | 1,620,619 | $155,563,335 | — | — | — | |
| Bank Of New York Mellon Corp | 0.03% | 1,593,928 | $154,706,543 | — | — | — | |
| Fiduciary Management Inc | 1.74% | 1,461,096 | $140,250,605 | — | — | — | |
| Deutsche Bank Ag\ | 0.04% | 1,439,416 | $139,709,717 | — | — | — | |
| Barclays Plc | 0.05% | 1,362,781 | $130,813,347 | — | — | — | |
| Capital International Investors | 0.03% | 1,351,962 | $129,774,832 | — | — | — | |
| Bnp Paribas Asset Management Holding S.A. | 0.15% | 1,333,320 | $127,987,198 | — | — | — | |
| Hsbc Holdings Plc | 0.07% | 1,286,178 | $123,353,671 | — | — | — | |
| Two Sigma Investments, Lp | 0.10% | 1,273,691 | $122,261,599 | — | — | — |
Frequently asked questions about G0450A105
Who owns the most G0450A105 stock?
The largest holders of G0450A105 are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ARCH CAP GROUP LTD (G0450A105).
Is G0450A105 widely held by superinvestors?
Many widely followed stocks like G0450A105 appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly G0450A105 is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.