AXT INC (AXTI) Institutional Shareholders
AXT INC (AXTI) 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 $3.28B in AXTI holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AXTI tracked by InsiderSet, reporting ownership valued at approximately $365.61M in its June 30, 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 $343.64M, representing an estimated loss of -6.01% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed AXTI value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Marex Group Plc, Jane Street Group, Llc, and several other long-term asset managers with concentrated positions in AXT INC (AXTI).
This page ranks the largest institutional AXTI 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
246
Total Reported Value
$3.28B
Largest Holder
Blackrock, Inc.
Largest Position
$365.61M
Insider Transactions (90d)
2
Latest Filing Quarter
Q2 2026
New Institutional Positions
163
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% | 5,072,242 | $365,607,203 | $343,644,396 | -$21,962,808 | -6.01% | |
| Marex Group Plc | 2.18% | 3,563,896 | $256,885,624 | $241,453,954 | -$15,431,670 | -6.01% | |
| Jane Street Group, Llc | 0.16% | 3,527,115 | $254,234,448 | $238,962,041 | -$15,272,407 | -6.01% | |
| Vanguard Capital Management Llc | 0.00% | 2,722,914 | $196,267,641 | $184,477,424 | -$11,790,218 | -6.01% | |
| D. E. Shaw & Co., Inc. | 0.10% | 2,250,085 | $162,186,127 | $152,443,259 | -$9,742,868 | -6.01% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,758,421 | $126,746,986 | $119,133,023 | -$7,613,963 | -6.01% | |
| Geode Capital Management, Llc | 0.01% | 1,736,210 | $125,165,958 | $117,628,228 | -$7,537,731 | -6.02% | |
| State Street Corp | 0.00% | 1,482,498 | $106,858,456 | $100,439,240 | -$6,419,217 | -6.01% | |
| Citadel Advisors Llc | 0.06% | 1,481,332 | $106,774,411 | $100,360,243 | -$6,414,168 | -6.01% | |
| Price T Rowe Associates Inc | 0.01% | 1,320,508 | $95,183,000 | $89,464,417 | -$5,718,583 | -6.01% | |
| Clear Street Group Inc. | 0.30% | 1,308,921 | $94,347,026 | $88,679,398 | -$5,667,628 | -6.01% | |
| Invesco Ltd. | 0.01% | 1,143,577 | $82,429,031 | $77,477,342 | -$4,951,689 | -6.01% | |
| Citigroup Inc | 0.04% | 1,055,074 | $76,049,734 | $71,481,264 | -$4,568,471 | -6.01% | |
| Assenagon Asset Management S.A. | 0.10% | 1,022,988 | $73,736,975 | $69,307,437 | -$4,429,538 | -6.01% | |
| Sg Americas Securities, Llc | 0.04% | 1,002,151 | $72,235,000 | $67,895,730 | -$4,339,270 | -6.01% | |
| Millennium Management Llc | 0.04% | 854,322 | $61,579,530 | $57,880,316 | -$3,699,215 | -6.01% | |
| Goldman Sachs Group Inc | 0.01% | 819,556 | $59,073,563 | $55,524,919 | -$3,548,644 | -6.01% | |
| Ubs Group Ag | 0.01% | 654,117 | $47,148,752 | $44,316,427 | -$2,832,325 | -6.01% | |
| Bank Of America Corp | 0.00% | 639,037 | $46,061,787 | $43,294,757 | -$2,767,030 | -6.01% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.06% | 615,377 | $44,356,374 | $41,691,792 | -$2,664,582 | -6.01% | |
| Morgan Stanley | 0.00% | 611,974 | $44,111,156 | $41,461,239 | -$2,649,918 | -6.01% | |
| Northern Trust Corp | 0.00% | 548,403 | $39,528,887 | $37,154,303 | -$2,374,584 | -6.01% | |
| Fund Resources Investment Holding Group Co Ltd | 4.73% | 536,706 | $38,685,768 | $36,361,832 | -$2,323,937 | -6.01% | |
| Vanguard Fiduciary Trust Co | 0.01% | 431,889 | $31,130,559 | $29,260,480 | -$1,870,079 | -6.01% | |
| Two Sigma Investments, Lp | 0.02% | 397,732 | $28,668,523 | $26,946,343 | -$1,722,180 | -6.01% | |
| T. Rowe Price Investment Management, Inc. | 0.02% | 392,787 | $28,313,000 | $26,611,319 | -$1,701,681 | -6.01% | |
| Susquehanna International Group, Llp | 0.02% | 377,795 | $27,231,464 | $25,595,611 | -$1,635,853 | -6.01% | |
| Wellington Management Group Llp | 0.00% | 359,481 | $25,911,391 | $24,354,838 | -$1,556,553 | -6.01% | |
| Bnp Paribas Financial Markets | 0.01% | 352,724 | $25,424,346 | $23,897,051 | -$1,527,295 | -6.01% | |
| Capital World Investors | 0.00% | 342,768 | $24,706,717 | $23,222,532 | -$1,484,185 | -6.01% | |
| Voloridge Investment Management, Llc | 0.10% | 333,897 | $24,067,296 | $22,621,522 | -$1,445,774 | -6.01% | |
| Nomura Asset Management International Inc. | 0.03% | 315,754 | $22,760,000 | $21,392,334 | -$1,367,667 | -6.01% | |
| Squarepoint Ops Llc | 0.04% | 312,999 | $22,560,968 | $21,205,682 | -$1,355,286 | -6.01% | |
| Canada Pension Plan Investment Board | 0.01% | 202,800 | $14,617,824 | $13,739,700 | -$878,124 | -6.01% | |
| Alyeska Investment Group, L.P. | 0.04% | 200,000 | $14,416,000 | $13,550,000 | -$866,000 | -6.01% | |
| Bank Of New York Mellon Corp | 0.00% | 195,558 | $14,095,819 | $13,249,055 | -$846,765 | -6.01% | |
| Dimensional Fund Advisors Lp | 0.00% | 187,684 | $13,528,263 | $12,715,591 | -$812,672 | -6.01% | |
| Charles Schwab Investment Management Inc | 0.00% | 186,730 | $13,459,498 | $12,650,958 | -$808,541 | -6.01% | |
| Group One Trading Llc | 0.35% | 168,015 | $12,110,521 | $11,383,016 | -$727,505 | -6.01% | |
| Nuveen, Llc | 0.00% | 158,416 | $11,418,625 | $10,732,684 | -$685,941 | -6.01% | |
| Neuberger Berman Group Llc | 0.01% | 145,819 | $10,510,633 | $9,879,237 | -$631,396 | -6.01% | |
| Deutsche Bank Ag\ | 0.00% | 142,740 | $10,288,699 | $9,670,635 | -$618,064 | -6.01% | |
| Tairen Capital Ltd | 0.89% | 140,000 | $10,091,200 | $9,485,000 | -$606,200 | -6.01% | |
| Walleye Trading Llc | 0.13% | 134,256 | $9,677,172 | $9,095,844 | -$581,328 | -6.01% | |
| Nomura Holdings Inc | 0.04% | 128,927 | $9,293,058 | $8,734,804 | -$558,254 | -6.01% | |
| Swiss National Bank | 0.00% | 115,800 | $8,346,864 | $7,845,450 | -$501,414 | -6.01% | |
| Kadensa Capital Ltd | 1.77% | 115,053 | $8,293,020 | $7,794,841 | -$498,179 | -6.01% | |
| Balyasny Asset Management L.P. | 0.02% | 114,386 | $8,244,943 | $7,749,652 | -$495,292 | -6.01% | |
| Gotham Asset Management, Llc | 0.02% | 111,578 | $8,042,542 | $7,559,410 | -$483,133 | -6.01% | |
| Jain Global Llc | 0.09% | 106,658 | $7,687,909 | $7,226,080 | -$461,830 | -6.01% |
Frequently asked questions about AXTI
Who owns the most AXTI stock?
The largest holders of AXTI 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 AXT INC (AXTI).
Is AXTI widely held by superinvestors?
Many widely followed stocks like AXTI appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AXTI 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.