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 $4.26B 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 $1.09B 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 $1.18B, representing an estimated gain of +8.50% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 65% of the total disclosed ACAD value among the investors covered in this analysis. Major shareholders include Baker Bros. Advisors Lp, Blackrock, Inc., State Street Corp, 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
340
Total Reported Value
$4.26B
Largest Holder
Baker Bros. Advisors Lp
Largest Position
$1.09B
Insider Transactions (90d)
8
Latest Filing Quarter
Q2 2026
New Institutional Positions
44
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 | 5.44% | 42,912,904 | $1,085,696,471 | $1,177,959,215 | +$92,262,744 | +8.50% | |
| Blackrock, Inc. | 0.01% | 22,515,173 | $569,633,876 | $618,041,499 | +$48,407,623 | +8.50% | |
| State Street Corp | 0.01% | 9,076,212 | $229,628,164 | $249,142,019 | +$19,513,855 | +8.50% | |
| Vanguard Portfolio Management Llc | 0.01% | 8,838,450 | $223,612,785 | $242,615,453 | +$19,002,668 | +8.50% | |
| Rtw Investments, Lp | 1.54% | 7,144,524 | $180,756,457 | $196,117,184 | +$15,360,727 | +8.50% | |
| Vanguard Capital Management Llc | 0.00% | 5,763,750 | $145,822,875 | $158,214,938 | +$12,392,063 | +8.50% | |
| Dimensional Fund Advisors Lp | 0.02% | 3,694,988 | $93,482,749 | $101,427,421 | +$7,944,672 | +8.50% | |
| Geode Capital Management, Llc | 0.00% | 3,358,129 | $84,977,229 | $92,180,641 | +$7,203,412 | +8.48% | |
| Palo Alto Investors Lp | 10.01% | 2,864,096 | $72,461,629 | $78,619,435 | +$6,157,806 | +8.50% | |
| Goldman Sachs Group Inc | 0.01% | 2,580,115 | $65,276,910 | $70,824,157 | +$5,547,247 | +8.50% | |
| Qube Research & Technologies Ltd | 0.07% | 2,446,610 | $61,899,233 | $67,159,445 | +$5,260,212 | +8.50% | |
| Point72 Asset Management, L.P. | 0.09% | 2,433,168 | $61,559,150 | $66,790,462 | +$5,231,312 | +8.50% | |
| Citadel Advisors Llc | 0.03% | 2,182,177 | $55,209,078 | $59,900,759 | +$4,691,681 | +8.50% | |
| Pictet Asset Management Holding Sa | 0.05% | 1,983,198 | $50,146,450 | $54,438,785 | +$4,292,335 | +8.56% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 1,969,445 | $49,826,959 | $54,061,265 | +$4,234,306 | +8.50% | |
| Marshall Wace, Llp | 0.04% | 1,764,838 | $44,650,402 | $48,444,803 | +$3,794,401 | +8.50% | |
| D. E. Shaw & Co., Inc. | 0.03% | 1,697,937 | $42,957,806 | $46,608,371 | +$3,650,565 | +8.50% | |
| Braidwell Lp | 1.54% | 1,646,399 | $41,653,895 | $45,193,653 | +$3,539,758 | +8.50% | |
| Norges Bank | 0.00% | 1,623,308 | $41,069,692 | $44,559,805 | +$3,490,113 | +8.50% | |
| Frazier Life Sciences Management, L.P. | 0.79% | 1,438,198 | $36,386,409 | $39,478,535 | +$3,092,126 | +8.50% | |
| Northern Trust Corp | 0.00% | 1,367,422 | $34,595,776 | $37,535,734 | +$2,939,958 | +8.50% | |
| Nuveen, Llc | 0.01% | 1,348,192 | $34,109,259 | $37,007,870 | +$2,898,611 | +8.50% | |
| Artisan Partners Limited Partnership | 0.05% | 1,325,134 | $33,525,890 | $36,374,928 | +$2,849,038 | +8.50% | |
| Bank Of America Corp | 0.00% | 1,300,385 | $32,899,740 | $35,695,568 | +$2,795,828 | +8.50% | |
| Renaissance Technologies LLC | Jim Simons | 0.04% | 1,282,596 | $32,449,679 | $35,207,260 | +$2,757,581 | +8.50% |
| Charles Schwab Investment Management Inc | 0.00% | 1,206,336 | $30,520,301 | $33,113,923 | +$2,593,622 | +8.50% | |
| Allspring Global Investments Holdings, Llc | 0.04% | 1,132,566 | $28,540,663 | $31,088,937 | +$2,548,274 | +8.93% | |
| Rockefeller Capital Management L.P. | 0.04% | 1,015,420 | $25,690,127 | $27,873,279 | +$2,183,152 | +8.50% | |
| Morgan Stanley | 0.00% | 946,639 | $23,949,976 | $25,985,241 | +$2,035,265 | +8.50% | |
| Two Sigma Investments, Lp | 0.02% | 926,992 | $23,452,898 | $25,445,930 | +$1,993,032 | +8.50% | |
| Vanguard Fiduciary Trust Co | 0.01% | 912,370 | $23,082,961 | $25,044,557 | +$1,961,596 | +8.50% | |
| Massachusetts Financial Services Co | 0.01% | 855,435 | $21,642,506 | $23,481,691 | +$1,839,185 | +8.50% | |
| Invesco Ltd. | 0.00% | 810,462 | $20,504,689 | $22,247,182 | +$1,742,493 | +8.50% | |
| Principal Financial Group Inc | 0.01% | 789,196 | $19,966,658 | $21,663,430 | +$1,696,772 | +8.50% | |
| Bank Of New York Mellon Corp | 0.00% | 760,629 | $19,243,919 | $20,879,266 | +$1,635,347 | +8.50% | |
| Allianz Asset Management Gmbh | 0.02% | 757,195 | $19,157,034 | $20,785,003 | +$1,627,969 | +8.50% | |
| Panagora Asset Management Inc | 0.06% | 710,906 | $17,985,922 | $19,514,370 | +$1,528,448 | +8.50% | |
| Fisher Asset Management, Llc | 0.01% | 699,230 | $17,690,535 | $19,193,864 | +$1,503,329 | +8.50% | |
| Fred Alger Management, Llc | 0.05% | 648,611 | $16,409,858 | $17,804,372 | +$1,394,514 | +8.50% | |
| Rice Hall James & Associates, Llc | 0.76% | 618,887 | $15,657,841 | $16,988,448 | +$1,330,607 | +8.50% | |
| Ameriprise Financial Inc | 0.00% | 606,536 | $15,348,144 | $16,649,413 | +$1,301,269 | +8.48% | |
| Millennium Management Llc | 0.01% | 589,924 | $14,925,077 | $16,193,414 | +$1,268,337 | +8.50% | |
| Manufacturers Life Insurance Company, The | 0.01% | 583,852 | $14,771,456 | $16,026,737 | +$1,255,281 | +8.50% | |
| Aqr Capital Management Llc | 0.00% | 522,749 | $13,225,551 | $14,349,460 | +$1,123,909 | +8.50% | |
| Adage Capital Partners Gp, L.L.C. | 0.02% | 510,000 | $12,903,000 | $13,999,500 | +$1,096,500 | +8.50% | |
| Glenmede Trust Co Na | 0.05% | 488,546 | $12,360,212 | $13,410,588 | +$1,050,376 | +8.50% | |
| Hudson Bay Capital Management Lp | 0.06% | 465,000 | $11,764,500 | $12,764,250 | +$999,750 | +8.50% | |
| Ubs Group Ag | 0.00% | 460,053 | $11,639,341 | $12,628,455 | +$989,114 | +8.50% | |
| Jupiter Asset Management Ltd | 0.06% | 458,466 | $11,599,190 | $12,584,892 | +$985,702 | +8.50% | |
| Public Sector Pension Investment Board | 0.03% | 435,375 | $11,014,988 | $11,951,044 | +$936,056 | +8.50% |
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.