ARTISAN PARTNERS ASSET MA -A (APAM) Top Institutional Shareholders
ARTISAN PARTNERS ASSET MA -A (APAM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.42B in APAM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of APAM tracked by InsiderSet, reporting ownership valued at approximately $377.01M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $374.62M, representing an estimated loss of -0.63% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 56% of the total disclosed APAM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Kayne Anderson Rudnick Investment Management Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in ARTISAN PARTNERS ASSET MA -A (APAM).
This page ranks the largest institutional APAM 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
376
Total Reported Value
$2.42B
Largest Holder
Blackrock, Inc.
Largest Position
$377.01M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
48
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 10,360,133 | $377,005,217 | $374,622,409 | -$2,382,808 | -0.63% | |
| Kayne Anderson Rudnick Investment Management Llc | 0.59% | 5,564,382 | $202,487,873 | $201,208,053 | -$1,279,820 | -0.63% | |
| Vanguard Portfolio Management Llc | 0.01% | 4,130,599 | $150,312,498 | $149,362,460 | -$950,038 | -0.63% | |
| Vanguard Capital Management Llc | 0.00% | 3,031,631 | $110,321,052 | $109,623,777 | -$697,275 | -0.63% | |
| State Street Corp | 0.00% | 2,842,095 | $103,423,837 | $102,770,155 | -$653,682 | -0.63% | |
| Vaughan Nelson Investment Management, L.P. | 0.95% | 2,587,946 | $94,175,354 | $93,580,127 | -$595,227 | -0.63% | |
| Charles Schwab Investment Management Inc | 0.01% | 2,549,402 | $92,772,739 | $92,186,376 | -$586,363 | -0.63% | |
| Morgan Stanley | 0.00% | 2,107,655 | $76,697,625 | $76,212,805 | -$484,820 | -0.63% | |
| Geode Capital Management, Llc | 0.00% | 2,076,906 | $75,589,042 | $75,100,921 | -$488,121 | -0.65% | |
| Channing Capital Management, Llc | 1.78% | 1,909,869 | $69,500,133 | $69,060,863 | -$439,270 | -0.63% | |
| Dimensional Fund Advisors Lp | 0.01% | 1,670,380 | $60,781,970 | $60,400,941 | -$381,029 | -0.63% | |
| Wasatch Advisors Lp | 0.38% | 1,571,535 | $57,188,159 | $56,826,706 | -$361,453 | -0.63% | |
| Victory Capital Management Inc | 0.03% | 1,432,424 | $52,125,910 | $51,796,452 | -$329,458 | -0.63% | |
| Fisher Asset Management, Llc | 0.02% | 1,310,131 | $47,675,694 | $47,374,337 | -$301,357 | -0.63% | |
| Capital World Investors | 0.01% | 1,058,685 | $38,525,547 | $38,282,050 | -$243,497 | -0.63% | |
| Royce & Associates Lp | 0.35% | 973,227 | $35,415,731 | $35,191,888 | -$223,843 | -0.63% | |
| Northern Trust Corp | 0.00% | 846,706 | $30,811,631 | $30,616,889 | -$194,742 | -0.63% | |
| Federated Hermes, Inc. | 0.04% | 758,016 | $27,584,203 | $27,409,859 | -$174,344 | -0.63% | |
| Wells Fargo & Company/Mn | 0.00% | 625,552 | $22,763,819 | $22,619,960 | -$143,859 | -0.63% | |
| Public Sector Pension Investment Board | 0.07% | 611,876 | $22,266,168 | $22,125,436 | -$140,732 | -0.63% | |
| Invesco Ltd. | 0.00% | 580,528 | $21,125,413 | $20,991,892 | -$133,521 | -0.63% | |
| Goldman Sachs Group Inc | 0.00% | 571,919 | $20,812,115 | $20,680,591 | -$131,524 | -0.63% | |
| Citadel Advisors Llc | 0.01% | 561,514 | $20,433,494 | $20,304,346 | -$129,148 | -0.63% | |
| Barclays Plc | 0.01% | 554,359 | $20,173,123 | $20,045,621 | -$127,502 | -0.63% | |
| Punch & Associates Investment Management, Inc. | 1.16% | 551,336 | $20,063,123 | $19,936,310 | -$126,813 | -0.63% | |
| Crawford Investment Counsel Inc | 0.33% | 529,279 | $19,260,473 | $19,138,729 | -$121,744 | -0.63% | |
| New York State Common Retirement Fund | 0.03% | 498,369 | $18,135,648 | $18,021,023 | -$114,625 | -0.63% | |
| Qube Research & Technologies Ltd | 0.02% | 473,395 | $17,226,844 | $17,117,963 | -$108,881 | -0.63% | |
| Vanguard Fiduciary Trust Co | 0.00% | 468,371 | $17,044,021 | $16,936,295 | -$107,726 | -0.63% | |
| Raymond James Financial Inc | 0.00% | 441,023 | $16,048,816 | $15,947,392 | -$101,424 | -0.63% | |
| Millennium Management Llc | 0.01% | 421,464 | $15,337,075 | $15,240,138 | -$96,937 | -0.63% | |
| Bank Of New York Mellon Corp | 0.00% | 396,626 | $14,433,238 | $14,341,996 | -$91,242 | -0.63% | |
| Nuveen, Llc | 0.00% | 377,377 | $13,732,749 | $13,645,952 | -$86,797 | -0.63% | |
| Sprott Inc. | 0.40% | 362,095 | $13,176,637 | $13,093,355 | -$83,282 | -0.63% | |
| Voloridge Investment Management, Llc | 0.05% | 355,089 | $12,921,689 | $12,840,018 | -$81,671 | -0.63% | |
| Tudor Investment Corp Et Al | 0.07% | 354,595 | $12,903,712 | $12,822,155 | -$81,557 | -0.63% | |
| Bank Of America Corp | 0.00% | 343,520 | $12,500,684 | $12,421,683 | -$79,001 | -0.63% | |
| Principal Financial Group Inc | 0.01% | 343,169 | $12,487,921 | $12,408,991 | -$78,930 | -0.63% | |
| D. E. Shaw & Co., Inc. | 0.01% | 342,473 | $12,462,592 | $12,383,824 | -$78,768 | -0.63% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 284,348 | $10,347,424 | $10,282,024 | -$65,400 | -0.63% |
| Ubs Group Ag | 0.00% | 266,904 | $9,712,636 | $9,651,249 | -$61,387 | -0.63% | |
| Two Sigma Investments, Lp | 0.01% | 254,972 | $9,278,431 | $9,219,788 | -$58,643 | -0.63% | |
| Point72 Asset Management, L.P. | 0.01% | 228,281 | $8,307,146 | $8,254,641 | -$52,505 | -0.63% | |
| Ameriprise Financial Inc | 0.00% | 219,317 | $7,981,352 | $7,930,503 | -$50,849 | -0.64% | |
| Edgestream Partners, L.P. | 0.26% | 218,013 | $7,933,493 | $7,883,350 | -$50,143 | -0.63% | |
| Franklin Resources Inc | 0.00% | 203,551 | $7,407,222 | $7,360,404 | -$46,818 | -0.63% | |
| Eversource Wealth Advisors, Llc | 0.22% | 63,683 | $7,268,099 | $2,302,777 | -$4,965,322 | -68.32% | |
| Royal Bank Of Canada | 0.00% | 195,417 | $7,111,000 | $7,066,279 | -$44,721 | -0.63% | |
| Legal & General Group Plc | 0.00% | 185,860 | $6,763,444 | $6,720,698 | -$42,746 | -0.63% | |
| Rhumbline Advisers | 0.01% | 182,335 | $6,635,150 | $6,593,234 | -$41,916 | -0.63% |
Frequently asked questions about APAM
Who owns the most APAM stock?
The largest holders of APAM 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 ARTISAN PARTNERS ASSET MA -A (APAM).
Is APAM widely held by superinvestors?
Many widely followed stocks like APAM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly APAM 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.