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SC 13G/A ·Filed Oct 15, 2026

NBIX

NEUROCRINE BIOSCIENCES INC
NEUTRAL
Impact 3/10
Horizonweeks Processed12d 10h ago SEC0000019617-26-000371
Passive stake amendment
Actionable Insight • Neutral

JPMorgan's increased passive stake to 5.2% suggests growing institutional confidence, but the passive filing designation limits near-term catalyst potential. Monitor for any conversion to a 13D filing, which would signal activist intent.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+5d ⚠ clustered
NBIX ▲ +4.63% at T+5d
NEUTRAL call +4.63% · α vs SPY +5.64% · entry $136.95 → $143.29
Next anchor: T+20d in 15d
Latest observation: T+6 +4.75% FF3 residual α
Entry = T+0 close
Oct 15, 2026
via day close
T+1d
-0.91%
call -0.91% · α +0.20%
$135.71
settled 12d ago
T+5d
+4.63%
call +4.63% · α +5.64%
$143.29
settled 6d ago
T+20d
Pending
in 15d
T+60d
Pending
in 3mo

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Executive Summary

JPMorgan Chase & Co. filed an amended Schedule 13G disclosing a 5.2% passive stake in Neurocrine Biosciences as of September 30, 2026, up from its prior filing. The filing confirms JPMorgan remains a passive investor with no activist intent, and the increased stake signals growing institutional conviction.

Key Financial Metrics

Stake
5.2%
Investor
JPMorgan Chase & Co.

Key Facts

  • JPMorgan Chase & Co. reported beneficial ownership of 5,300,390 shares of Neurocrine Biosciences common stock, representing 5.2% of shares outstanding as of September 30, 2026.
  • The filing is an amendment to a prior Schedule 13G, indicating a passive investment intent under Rule 13d-1(b).
  • JPMorgan's prior 13G/A filed July 27, 2026, did not include a stake percentage in the available document text, so the direction of change cannot be quantified from the provided documents.

Financial Impact

JPMorgan holds a 5.2% passive stake in Neurocrine Biosciences; no transaction values or cost basis disclosed.

Risk Factors

  • JPMorgan could reduce its stake in future periods, which would be a negative signal.
  • Passive 13G status means no activist pressure; the filing provides no direct catalyst for stock movement.

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G/A Filing (Primary)0000019617-26-000371
Document: 0000019617-26-000371-index.html0000019617-26-000371
Document: 0000019617-26-000371.txt0000019617-26-000371
21 reports for NBIX
Performance horizon
67% Hit rate @ T+60 2 of 3 directional calls Went positive at some point 4 of 4 best @ T+60▲ +27.40%Apr 6, 2026
Filters
Rows
Reports for NBIX — sortable, filterable
TypeNow
Oct 27, 2026
today
Institutional Cluster
MIXED ★ 3/10
$147.19awaiting T+60—$146.00 (−0.81%)
Oct 15, 2026
12d ago
SC 13G/A
NEUTRAL ★ 3/10
$136.95awaiting T+60—$146.00 (+6.61%)
Oct 15, 2026
12d ago
Institutional Cluster
BULLISH ★ 4/10
$136.95awaiting T+60—$146.00 (+6.61%)
Oct 7, 2026
20d ago
3
NEUTRAL ★ 2/10
$141.25awaiting T+60—$146.00 (+3.36%)
Sep 15, 2026
6w ago
Insider Cluster
NEUTRAL ★ 3/10
$149.50awaiting T+60—$146.00 (−2.34%)
Jul 13, 2026
15w ago
Insider Cluster
NEUTRAL ★ 3/10
$172.04 $143.47▼ −16.61%▼ −19.98%$146.00 (−15.14%)
Jul 9, 2026
15w ago
Press Release
NEUTRAL ★ 1/10
$177.11 $144.21▼ −18.58%▼ −21.21%$146.00 (−17.57%)
Jun 9, 2026
20w ago
Insider Cluster
NEUTRAL ★ 3/10
$160.86 $158.35▼ −1.56%▼ −8.14%$146.00 (−9.24%)
Jun 8, 2026
20w ago
Insider Cluster
NEUTRAL ★ 2/10
$165.24 $157.79▼ −4.51%▼ −8.32%$146.00 (−11.64%)
Jun 8, 2026
20w ago
Insider Cluster
NEUTRAL ★ 4/10
$165.24 $157.79▼ −4.51%▼ −8.32%$146.00 (−11.64%)
Showing 10 of 21

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Report published Oct 15, 2026