AXSOME THERAPEUTICS INC (AXSM) Institutional Shareholders
AXSOME THERAPEUTICS INC (AXSM) 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 $8.94B in AXSM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AXSM tracked by InsiderSet, reporting ownership valued at approximately $759.69M 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 $663.20M, representing an estimated loss of -12.70% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 39% of the total disclosed AXSM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in AXSOME THERAPEUTICS INC (AXSM).
This page ranks the largest institutional AXSM 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
492
Total Reported Value
$8.94B
Largest Holder
Blackrock, Inc.
Largest Position
$759.69M
Insider Transactions (90d)
17
Latest Filing Quarter
Q2 2026
New Institutional Positions
83
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% | 3,103,708 | $759,694,607 | $663,200,325 | -$96,494,282 | -12.70% | |
| Vanguard Portfolio Management Llc | 0.02% | 1,983,514 | $485,504,722 | $423,837,272 | -$61,667,450 | -12.70% | |
| Vanguard Capital Management Llc | 0.01% | 1,965,086 | $480,994,100 | $419,899,576 | -$61,094,524 | -12.70% | |
| Invesco Ltd. | 0.03% | 1,671,684 | $409,178,095 | $357,205,437 | -$51,972,658 | -12.70% | |
| Fmr Llc | 0.02% | 1,539,163 | $376,740,965 | $328,888,350 | -$47,852,615 | -12.70% | |
| Geode Capital Management, Llc | 0.01% | 967,172 | $236,786,194 | $206,665,313 | -$30,120,881 | -12.72% | |
| Morgan Stanley | 0.01% | 804,082 | $196,815,434 | $171,816,242 | -$24,999,192 | -12.70% | |
| State Street Corp | 0.01% | 785,661 | $192,289,814 | $167,880,042 | -$24,409,772 | -12.69% | |
| Deep Track Capital, Lp | 2.52% | 700,000 | $171,339,000 | $149,576,000 | -$21,763,000 | -12.70% | |
| Two Sigma Investments, Lp | 0.12% | 669,478 | $163,868,130 | $143,054,059 | -$20,814,071 | -12.70% | |
| Wellington Management Group Llp | 0.03% | 653,920 | $160,059,998 | $139,729,626 | -$20,330,372 | -12.70% | |
| Alethea Capital Management, Llc | 65.78% | 648,756 | $158,796,006 | $138,626,182 | -$20,169,824 | -12.70% | |
| D. E. Shaw & Co., Inc. | 0.09% | 604,753 | $148,025,392 | $129,223,621 | -$18,801,771 | -12.70% | |
| Millennium Management Llc | 0.09% | 556,088 | $136,113,660 | $118,824,884 | -$17,288,776 | -12.70% | |
| Nomura Asset Management International Inc. | 0.20% | 539,407 | $132,031,000 | $115,260,488 | -$16,770,512 | -12.70% | |
| Norges Bank | 0.01% | 514,266 | $125,876,889 | $109,888,359 | -$15,988,530 | -12.70% | |
| First Trust Advisors Lp | 0.07% | 482,061 | $117,994,070 | $103,006,794 | -$14,987,276 | -12.70% | |
| Assenagon Asset Management S.A. | 0.14% | 454,682 | $111,292,513 | $97,156,450 | -$14,136,063 | -12.70% | |
| Bank Of America Corp | 0.01% | 452,491 | $110,756,330 | $96,688,277 | -$14,068,053 | -12.70% | |
| Ameriprise Financial Inc | 0.02% | 428,079 | $104,781,493 | $91,471,921 | -$13,309,572 | -12.70% | |
| Pictet Asset Management Holding Sa | 0.10% | 426,527 | $104,399,930 | $91,140,289 | -$13,259,641 | -12.70% | |
| Qube Research & Technologies Ltd | 0.12% | 426,336 | $104,354,263 | $91,099,476 | -$13,254,787 | -12.70% | |
| Point72 Asset Management, L.P. | 0.16% | 416,516 | $101,950,621 | $89,001,139 | -$12,949,482 | -12.70% | |
| Jane Street Group, Llc | 0.06% | 403,995 | $98,885,856 | $86,325,652 | -$12,560,204 | -12.70% | |
| Hood River Capital Management Llc | 0.71% | 402,678 | $98,563,494 | $86,044,235 | -$12,519,259 | -12.70% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.13% | 373,067 | $91,315,610 | $79,716,957 | -$11,598,653 | -12.70% | |
| Driehaus Capital Management Llc | 0.53% | 372,474 | $91,170,461 | $79,590,244 | -$11,580,217 | -12.70% | |
| Principal Financial Group Inc | 0.04% | 332,642 | $81,420,780 | $71,078,943 | -$10,341,837 | -12.70% | |
| Eventide Asset Management, Llc | 1.04% | 316,820 | $77,534,680 | $67,698,098 | -$9,836,582 | -12.69% | |
| Charles Schwab Investment Management Inc | 0.01% | 316,104 | $77,372,776 | $67,545,103 | -$9,827,673 | -12.70% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 316,104 | $77,372,776 | $67,545,103 | -$9,827,673 | -12.70% | |
| Integral Health Asset Management, Llc | 3.01% | 300,000 | $73,431,000 | $64,104,000 | -$9,327,000 | -12.70% | |
| Vanguard Fiduciary Trust Co | 0.02% | 279,738 | $68,471,470 | $59,774,416 | -$8,697,054 | -12.70% | |
| Northern Trust Corp | 0.01% | 270,189 | $66,134,161 | $57,733,986 | -$8,400,175 | -12.70% | |
| Renaissance Technologies LLC | Jim Simons | 0.09% | 262,000 | $64,129,740 | $55,984,160 | -$8,145,580 | -12.70% |
| Adage Capital Partners Gp, L.L.C. | 0.09% | 259,034 | $63,403,752 | $55,350,385 | -$8,053,367 | -12.70% | |
| Citadel Advisors Llc | 0.04% | 255,878 | $62,631,258 | $54,676,011 | -$7,955,247 | -12.70% | |
| Frontier Capital Management Co Llc | 0.58% | 254,280 | $62,240,116 | $54,334,550 | -$7,905,566 | -12.70% | |
| Samlyn Capital, Llc | 1.00% | 246,015 | $60,217,091 | $52,568,485 | -$7,648,606 | -12.70% | |
| Clearbridge Investments, Llc | 0.05% | 245,574 | $60,109,141 | $52,474,252 | -$7,634,889 | -12.70% | |
| Loomis Sayles & Co L P | 0.07% | 239,490 | $58,619,967 | $51,174,223 | -$7,445,744 | -12.70% | |
| Bnp Paribas Financial Markets | 0.03% | 230,954 | $56,530,611 | $49,350,251 | -$7,180,360 | -12.70% | |
| Goldman Sachs Group Inc | 0.01% | 229,668 | $56,215,836 | $49,075,458 | -$7,140,378 | -12.70% | |
| Canada Pension Plan Investment Board | 0.03% | 225,400 | $55,171,158 | $48,163,472 | -$7,007,686 | -12.70% | |
| Marshall Wace, Llp | 0.05% | 223,386 | $54,678,192 | $47,733,120 | -$6,945,072 | -12.70% | |
| Pfm Health Sciences, Lp | 4.67% | 219,596 | $53,750,513 | $46,923,273 | -$6,827,240 | -12.70% | |
| Tri Locum Partners Lp | 6.60% | 219,308 | $53,680,019 | $46,861,733 | -$6,818,286 | -12.70% | |
| First Turn Management, Llc | 5.72% | 218,415 | $53,461,440 | $46,670,917 | -$6,790,523 | -12.70% | |
| Bank Of New York Mellon Corp | 0.01% | 197,226 | $48,274,913 | $42,143,252 | -$6,131,661 | -12.70% | |
| Nuveen, Llc | 0.01% | 190,080 | $46,525,881 | $40,616,294 | -$5,909,587 | -12.70% |
Frequently asked questions about AXSM
Who owns the most AXSM stock?
The largest holders of AXSM 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 AXSOME THERAPEUTICS INC (AXSM).
Is AXSM widely held by superinvestors?
Many widely followed stocks like AXSM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AXSM 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.