ACADIA PHARMACEUTICALS INC (ACAD) Institutional Shareholders
ACADIA PHARMACEUTICALS INC (ACAD) 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 $3.62B in ACAD holdings during the latest filing period.
Baker Bros. Advisors Lp is currently the largest disclosed institutional shareholder of ACAD tracked by InsiderSet, reporting ownership valued at approximately $954.88M 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 $1.11B, representing an estimated gain of +16.22% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed ACAD value among the investors covered in this analysis. Major shareholders include Baker Bros. Advisors Lp, Blackrock, Inc., Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in ACADIA PHARMACEUTICALS INC (ACAD).
This page ranks the largest institutional ACAD 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
334
Total Reported Value
$3.62B
Largest Holder
Baker Bros. Advisors Lp
Largest Position
$954.88M
Insider Transactions (90d)
12
Latest Filing Quarter
Q2 2026
New Institutional Positions
47
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Baker Bros. Advisors Lp | 5.48% | 42,896,690 | $954,880,319 | $1,109,737,370 | +$154,857,051 | +16.22% | |
| Blackrock, Inc. | 0.01% | 21,550,921 | $479,723,502 | $557,522,326 | +$77,798,824 | +16.22% | |
| Vanguard Portfolio Management Llc | 0.01% | 8,671,645 | $193,030,818 | $224,335,456 | +$31,304,638 | +16.22% | |
| State Street Corp | 0.01% | 8,332,771 | $185,487,482 | $215,568,786 | +$30,081,304 | +16.22% | |
| Rtw Investments, Lp | 1.58% | 7,144,524 | $159,037,104 | $184,828,836 | +$25,791,732 | +16.22% | |
| Vanguard Capital Management Llc | 0.00% | 5,661,400 | $126,022,764 | $146,460,418 | +$20,437,654 | +16.22% | |
| Geode Capital Management, Llc | 0.00% | 3,464,689 | $77,137,406 | $89,631,504 | +$12,494,098 | +16.20% | |
| First Trust Advisors Lp | 0.05% | 3,343,868 | $74,434,501 | $86,505,865 | +$12,071,364 | +16.22% | |
| Dimensional Fund Advisors Lp | 0.01% | 3,155,160 | $70,221,842 | $81,623,989 | +$11,402,147 | +16.24% | |
| Palo Alto Investors Lp | 9.78% | 2,872,695 | $63,946,191 | $74,316,620 | +$10,370,429 | +16.22% | |
| Point72 Asset Management, L.P. | 0.10% | 2,577,916 | $57,384,410 | $66,690,687 | +$9,306,277 | +16.22% | |
| Braidwell Lp | 1.84% | 2,471,199 | $55,008,890 | $63,929,918 | +$8,921,028 | +16.22% | |
| Pictet Asset Management Holding Sa | 0.05% | 1,983,198 | $50,146,450 | $51,305,332 | +$1,158,882 | +2.31% | |
| Renaissance Technologies LLC | Jim Simons | 0.06% | 1,724,196 | $38,380,603 | $44,604,951 | +$6,224,348 | +16.22% |
| Arrowstreet Capital, Limited Partnership | 0.02% | 1,569,491 | $34,936,870 | $40,602,732 | +$5,665,862 | +16.22% | |
| Goldman Sachs Group Inc | 0.00% | 1,557,804 | $34,676,717 | $40,300,389 | +$5,623,672 | +16.22% | |
| Bank Of America Corp | 0.00% | 1,553,770 | $34,586,921 | $40,196,030 | +$5,609,109 | +16.22% | |
| Frazier Life Sciences Management, L.P. | 0.82% | 1,438,198 | $32,014,287 | $37,206,182 | +$5,191,895 | +16.22% | |
| Artisan Partners Limited Partnership | 0.05% | 1,331,813 | $29,646,157 | $34,454,002 | +$4,807,845 | +16.22% | |
| Fred Alger Management, Llc | 0.12% | 1,277,151 | $28,429,382 | $33,039,896 | +$4,610,514 | +16.22% | |
| Northern Trust Corp | 0.00% | 1,272,611 | $28,328,322 | $32,922,447 | +$4,594,125 | +16.22% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,173,560 | $26,123,446 | $30,359,997 | +$4,236,551 | +16.22% | |
| Morgan Stanley | 0.00% | 1,093,151 | $24,333,551 | $28,279,816 | +$3,946,265 | +16.22% | |
| Nuveen, Llc | 0.01% | 1,036,987 | $23,083,330 | $26,826,854 | +$3,743,524 | +16.22% | |
| Rockefeller Capital Management L.P. | 0.04% | 1,027,357 | $22,868,967 | $26,577,726 | +$3,708,759 | +16.22% | |
| Massachusetts Financial Services Co | 0.01% | 855,435 | $21,642,506 | $22,130,103 | +$487,597 | +2.25% | |
| Allspring Global Investments Holdings, Llc | 0.04% | 954,855 | $21,312,363 | $24,702,099 | +$3,389,736 | +15.91% | |
| Qube Research & Technologies Ltd | 0.03% | 950,299 | $21,153,656 | $24,584,235 | +$3,430,579 | +16.22% | |
| Vanguard Fiduciary Trust Co | 0.00% | 875,720 | $19,493,527 | $22,654,876 | +$3,161,349 | +16.22% | |
| Deutsche Bank Ag\ | 0.01% | 840,414 | $18,707,616 | $21,741,510 | +$3,033,894 | +16.22% | |
| Invesco Ltd. | 0.00% | 836,510 | $18,620,713 | $21,640,514 | +$3,019,801 | +16.22% | |
| Jane Street Group, Llc | 0.02% | 803,265 | $17,880,679 | $20,780,466 | +$2,899,787 | +16.22% | |
| Two Sigma Investments, Lp | 0.01% | 775,121 | $17,254,193 | $20,052,380 | +$2,798,187 | +16.22% | |
| Principal Financial Group Inc | 0.01% | 768,224 | $17,100,666 | $19,873,955 | +$2,773,289 | +16.22% | |
| Logos Global Management Lp | 0.86% | 750,000 | $16,695,000 | $19,402,500 | +$2,707,500 | +16.22% | |
| Bank Of New York Mellon Corp | 0.00% | 736,558 | $16,395,781 | $19,054,755 | +$2,658,974 | +16.22% | |
| Fisher Asset Management, Llc | 0.01% | 732,872 | $16,313,745 | $18,959,399 | +$2,645,654 | +16.22% | |
| D. E. Shaw & Co., Inc. | 0.01% | 729,836 | $16,246,149 | $18,880,857 | +$2,634,708 | +16.22% | |
| Allianz Asset Management Gmbh | 0.02% | 706,664 | $15,730,341 | $18,281,398 | +$2,551,057 | +16.22% | |
| Millennium Management Llc | 0.01% | 705,461 | $15,703,562 | $18,250,276 | +$2,546,714 | +16.22% | |
| Panagora Asset Management Inc | 0.06% | 688,649 | $15,329,327 | $17,815,350 | +$2,486,023 | +16.22% | |
| Woodline Partners Lp | 0.06% | 676,401 | $15,056,686 | $17,498,494 | +$2,441,808 | +16.22% | |
| Ameriprise Financial Inc | 0.00% | 624,260 | $13,902,840 | $16,149,606 | +$2,246,766 | +16.16% | |
| Citadel Advisors Llc | 0.01% | 622,760 | $13,862,637 | $16,110,801 | +$2,248,164 | +16.22% | |
| Rice Hall James & Associates, Llc | 0.77% | 617,489 | $13,745,305 | $15,974,440 | +$2,229,135 | +16.22% | |
| Voya Investment Management Llc | 0.01% | 613,784 | $13,662,832 | $15,878,592 | +$2,215,760 | +16.22% | |
| Manufacturers Life Insurance Company, The | 0.01% | 571,776 | $12,727,734 | $14,791,845 | +$2,064,111 | +16.22% | |
| Aqr Capital Management Llc | 0.01% | 527,913 | $11,751,343 | $13,657,109 | +$1,905,766 | +16.22% | |
| Jupiter Asset Management Ltd | 0.06% | 491,093 | $10,931,730 | $12,704,576 | +$1,772,846 | +16.22% | |
| Ubs Group Ag | 0.00% | 448,549 | $9,984,702 | $11,603,963 | +$1,619,261 | +16.22% |
Frequently asked questions about ACAD
Who owns the most ACAD stock?
The largest holders of ACAD 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 ACADIA PHARMACEUTICALS INC (ACAD).
Is ACAD widely held by superinvestors?
Many widely followed stocks like ACAD appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ACAD 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.