Monitor for upcoming clinical data readouts or regulatory decisions; the strong passive inflows may reflect positioning for a potential rebound, while quant outflows suggest risk-off behavior or model-driven exits.
Executive Summary
In Q4 2024, Apellis Pharmaceuticals (APLS) saw a mixed institutional cluster: two mega-passive firms (UBS and Morgan Stanley) significantly increased holdings by $282.5M, while three institutions (Wells Fargo, RenTech, Citadel) reduced positions by $8.8M. The divergence suggests conflicting views on valuation or upcoming catalysts.
Key Financial Metrics
Institutional Positions
Net institutional flow: $273.7M
▲ Buyers (2)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| UBS | DOUBLED | +688.2% | $82.5M | $73.1M |
| Morgan Stanley | DOUBLED | +184% | $307.2M | $209.4M |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Wells Fargo | NEAR_EXIT | -96% | $4.0M | -$3.8M |
| RenTech | TRIM | -27% | $10.7M | -$2.1M |
| Citadel | TRIM | -27.2% | $15.1M | -$2.9M |
Key Facts
- UBS doubled its position in APLS, increasing value by $73.1M (+688.2% in shares).
- Morgan Stanley added $209.4M to its position, increasing shares by 184%.
- Wells Fargo nearly exited, reducing its stake by 96% (-$3.8M in value).
- Quant funds RenTech and Citadel each trimmed positions by ~27% (-$5.0M combined).
- Total institutional buying: $282.5M; total selling: $8.8M.
Financial Impact
2 institutions accumulated $282.5M in new/expanded positions while 3 reduced holdings by $8.8M
Risk Factors
- Heavy selling by quant funds could indicate technical or momentum-based deterioration.
- Near-complete exit by Wells Fargo may reflect fundamental concerns or portfolio rebalancing.
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-APLS-2024-Q4 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
May 26, 2026 18w ago | 15-12G | — | awaiting T+1 | — | — |
May 14, 2026 20w ago | 25-NSE | $41.03 $41.03 | · 0.00% | ▲ +1.23% | — |
May 14, 2026 20w ago | 8-K | $41.03 $41.03 | · 0.00% | ▲ +1.23% | — |
May 4, 2026 21w ago | 8-K | $40.97 $40.97 | · 0.00% | ▼ −0.80% | — |
Mar 27, 2026 27w ago | Institutional Cluster | $16.97 $17.09 | ▲ +0.71% | ▲ +1.06% | — |
US Market Status
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