NBIX Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Onyia Jude Chief Scientific Officer 2026-08-04 2,409 $0
Norwalk Leslie V Director 2026-07-29 842 $117,400
Norwalk Leslie V Director 2026-07-28 1,250 $227,508

How Institutional Funds Moved on NBIX

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
RENAISSANCE TECHNOLOGIES LLC RENAISSANCE TECHNOLOGIES LLC increased this position by 24% ($318,665,491 -> $393,680,402). 2026-06-30
NORGES BANK NORGES BANK opened a new position worth $164,132,866. 2026-06-30
Nantahala Capital Management, LLC Nantahala Capital Management, LLC opened a new position worth $33,707,000. 2026-06-30
GEODE CAPITAL MANAGEMENT, LLC GEODE CAPITAL MANAGEMENT, LLC increased this position by 27% ($231,615,111 -> $294,151,210). 2026-06-30
Dodge & Cox Dodge & Cox increased this position by 31% ($719,437,014 -> $941,218,594). 2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC VANGUARD CAPITAL MANAGEMENT LLC increased this position by 29% ($594,398,233 -> $766,048,708). 2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC VANGUARD PORTFOLIO MANAGEMENT LLC increased this position by 35% ($622,648,559 -> $838,307,078). 2026-06-30
ROYAL BANK OF CANADA ROYAL BANK OF CANADA increased this position by 165% ($27,702,000 -> $73,348,000). 2026-06-30

Which Funds Hold NBIX

Largest reported positions as of 2026-06-30.

FundValueShares
Dodge & Cox $941,218,594 5,584,707
VANGUARD PORTFOLIO MANAGEMENT LLC $838,307,078 4,974,083
VANGUARD CAPITAL MANAGEMENT LLC $766,048,708 4,545,339
RENAISSANCE TECHNOLOGIES LLC $393,680,402 2,335,897
TWO SIGMA INVESTMENTS, LP $349,922,479 2,076,260
Vestal Point Capital, LP $316,845,800 1,880,000
GEODE CAPITAL MANAGEMENT, LLC $294,151,210 1,750,392
RTW INVESTMENTS, LP $213,689,740 1,267,925
NORGES BANK $164,132,866 973,880
FIRST TRUST ADVISORS LP $155,578,851 923,125

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Defilade Capital Management, L.P.: 13F Portfolio Moves Tracked Quarterly

Table summarizing Defilade Capital Management L.P.'s 13F portfolio changes for the quarter ending 2026-03-31, including new positions, increases, reductions, and exits.

This page tracks Defilade Capital Management, L.P.’s institutional portfolio moves as disclosed in its SEC Form 13F filings, updated every quarter as new filings become available. Because 13F filings report only quarter-end snapshots rather than exact trade dates, all activity below is described as occurring during the quarter ending 2026-03-31, and future updates will build … Read more

Soleus Capital Management, L.P.: 13F Portfolio Moves Tracked Quarterly

Chart-style summary of Soleus Capital Management, L.P.'s 13F portfolio changes for the quarter ending 2026-03-31, showing new positions, increases, and exits across healthcare and biotech stocks.

Soleus Capital Management, L.P. is a healthcare-focused institutional investor whose equity holdings are disclosed each quarter through SEC Form 13F filings. This profile tracks those disclosures over time, giving a running record of the fund’s reported buys, sells, and position size changes as new 13F data becomes available. Because 13F filings only capture a quarterly … Read more