The Q3 2025 13F cluster shows massive institutional buying, but with heavy passive participation and a 45-day lag. Monitor for phase 3 data or regulatory catalysts that could explain the accumulation. Past bullish calls on this ticker have been poor performers; size accordingly.
Executive Summary
8 institutional buyers accumulated $182.2M in CELC (net +$166.0M) while 3 sellers trimmed $14.0M in Q3 2025, a strongly bullish cluster dominated by mega-passive funds and quants (D.E. Shaw new $18.4M, RenTech doubled to $9.6M). The heavy passive buying suggests index or sector rotation rather than fundamental conviction, and past bullish calls on this ticker have historically underperformed.
Key Financial Metrics
Institutional Positions
Net institutional flow: $152.0M
▲ Buyers (8)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| T. Rowe Price | DOUBLED | +3838.9% | $30.0K | $29.0K |
| Wells Fargo | ADD | +48.7% | $1.1M | $903.0K |
| D.E. Shaw | NEW | — | $18.4M | $18.4M |
| UBS | DOUBLED | +910.1% | $42.2M | $41.1M |
| RenTech | DOUBLED | +1387% | $9.6M | $9.4M |
| Morgan Stanley | ADD | +92.9% | $74.7M | $64.3M |
| BofA | DOUBLED | +105.2% | $26.7M | $23.1M |
| Nuveen | DOUBLED | +242.2% | $9.5M | $8.7M |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Citadel | NEAR_EXIT | -98% | $10.1M | -$9.3M |
| Ameriprise Financial | NEAR_EXIT | -92% | $10.3M | -$7.2M |
| Barclays | TRIM | -33.7% | $1.0K | $2.6M |
Key Facts
- 8 buyers added $166.0M net; 3 sellers cut $14.0M
- D.E. Shaw initiated a $18.4M position (NEW)
- RenTech doubled holdings to $9.6M (+1387%)
- Morgan Stanley added $64.3M (from $10.5M to $74.7M)
- UBS doubled to $42.2M (from $1.1M)
- Citadel and Ameriprise nearly exited, selling $9.3M and $7.2M respectively
- 6 of 8 buyers are mega-passive/quant, weakening the active signal
- Q3 2025 13F data has 45-day lag; current positions may differ
Financial Impact
8 institutions accumulated $182.2M in new holdings (net +$166.0M), while 3 reduced by $14.0M. Net institutional inflow of $152.0M.
Risk Factors
- Historical bullish calls on CELC have averaged -10.12% T+20 with a 20% win rate
- 13F lag means the cluster may have been partially or fully unwound
- Heavy mega-passive buying may be index rebalancing, not fundamental conviction
- Stock currently trading near $4.3B market cap with 94% analyst buy rating — sentiment may be crowded
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-CELC-2025-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 26, 2026 5w ago | 8-K | $95.08 $84.00 | ▼ −11.65% | ▼ −12.86% | — |
Jul 15, 2026 11w ago | 144 | $91.51 $92.08 | ▼ −0.62% | ▲ +1.72% | — |
Jul 14, 2026 11w ago | Press Release | $91.51 $92.08 | ▲ +0.62% | ▼ −1.72% | — |
Jun 11, 2026 16w ago | Institutional Cluster | $89.49 $113.51 | ▲ +26.84% | ▲ +24.95% | — |
Jun 8, 2026 16w ago | 8-K | $92.59 $115.72 | ▲ +24.98% | ▲ +23.53% | — |
Jun 5, 2026 17w ago | 424B5 | $88.28 $108.58 | ▲ +23.00% | ▲ +21.13% | — |
Jun 4, 2026 17w ago | Press Release | $92.47 $107.95 | ▲ +16.74% | ▲ +18.11% | — |
Jun 3, 2026 17w ago | Press Release | $88.95 $107.95 | ▼ −21.36% | ▼ −22.36% | — |
Jun 3, 2026 17w ago | 424B5 | $88.95 $107.95 | ▼ −21.36% | ▼ −22.36% | — |
Jun 2, 2026 17w ago | 8-K | $91.42 $104.49 | ▲ +14.30% | ▲ +15.86% | — |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access