The coordinated buying by three large passive managers suggests growing institutional demand, possibly due to index inclusion, improved liquidity, or sector reclassification. Traders should watch for follow-on momentum and potential short-covering if retail sentiment aligns.
Executive Summary
Three major passive institutional investors — Morgan Stanley, Wells Fargo, and UBS — significantly increased their positions in Pacific Biosciences of California (PACB) during Q4 2024, collectively adding $5.4M in new holdings. UBS doubled its stake, signaling strong conviction. No institutions sold, indicating no institutional distribution during the quarter.
Key Financial Metrics
Institutional Positions
Net institutional flow: $5.4M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Morgan Stanley | ADD | +45.2% | $10.3M | $3.7M |
| UBS | DOUBLED | +131.2% | $2.7M | $1.6M |
| Wells Fargo | ADD | +26.3% | $299.0K | $79.0K |
Key Facts
- Morgan Stanley increased its stake by 1.76M shares ($3.7M value increase)
- UBS doubled its position, adding 843.2K shares and increasing value by $1.6M
- Wells Fargo added 33.9K shares ($79K value increase)
- No institutional selling was reported in the quarter
Financial Impact
3 institutions accumulated $5.4M in new positions with no offsetting sales
Risk Factors
- All buyers are passive managers, suggesting the move may reflect index rebalancing rather than fundamental conviction
- Low market cap ($507M) makes the stock vulnerable to volatility if institutions reverse
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-PACB-2024-Q4 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 19, 2026 7d ago | Press Release | $1.84 | awaiting T+5 | — | — |
Oct 6, 2026 19d ago | 144 | $2.72 $1.99 | ▲ +26.84% | ▲ +25.86% | — |
Oct 6, 2026 20d ago | Press Release | $2.70 $2.05 | ▼ −24.07% | ▼ −23.94% | — |
Jun 4, 2026 20w ago | 8-K | $1.45 $1.31 | ▼ −9.66% | ▼ −10.22% | — |
May 22, 2026 22w ago | DEFA14A | $1.26 $1.58 | ▲ +25.40% | ▲ +24.31% | — |
Apr 21, 2026 26w ago | Press Release | $1.73 $1.58 | ▼ −8.67% | ▼ −9.75% | — |
Apr 16, 2026 27w ago | Press Release | $1.69 $1.56 | ▼ −7.69% | ▼ −8.25% | — |
Mar 5, 2026 33w ago | 8-K | $1.52 $1.27 | ▼ −16.45% | ▼ −14.21% | — |
Mar 3, 2026 33w ago | Insider Cluster | $1.52 $1.37 | ▼ −9.87% | ▼ −9.39% | — |
Feb 28, 2026 34w ago | Institutional Cluster | $1.62 $1.39 | ▼ −14.20% | ▼ −12.99% | — |
US Market Status
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