The cluster is dominated by a single large buyer (Assenagon) whose $97.9M addition represents ~2.9% of CELC's $3.4B market cap. Monitor next 13F filing to see if this position was maintained or reversed, and watch for any insider buying that would corroborate the institutional thesis.
How the stock moved after the report
NEUTRAL VIEWSTOCK BELOW ENTRY AT T+1- T+0 · Nov 2 $69.72entry
- T+1 · yesterday −0.69%α −2.34% · $69.24
- T+2 · todayOpen
- T+5 · in 4d Pending
- T+20 · in 26d Pending
- T+60 · in 3mo Pending
How similar events traded
Executive Summary
Three asset managers increased their Celcuity positions in Q3 2026, led by Assenagon Asset Management which more than sextupled its stake to $117.6M. Total institutional buying of $98.0M was overwhelmingly concentrated in one fund, while only one small seller trimmed. The 45-day reporting lag and absence of insider buying weaken the signal.
Key Financial Metrics
Institutional Positions
Net institutional flow: $98.0M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | DOUBLED | +685.9% | $117.6M | $97.9M |
| Principal Financial Group | ADD | +75.1% | $410.0K | $102.0K |
| Assetmark | ADD | +36% | $637.0K | $21.0K |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Strs Ohio | TRIM | -63.6% | $115.0K | -$83.0K |
Key Facts
- Three asset managers added to CELC positions in Q3 2026: Assenagon (DOUBLED, +685.9% shares to 1.48M, value $117.6M), Principal Financial Group (ADD, +75.1% to $410K), Assetmark (ADD, +36.0% to $637K)
- One seller: Strs Ohio trimmed 63.6% of its stake, reducing value from $115K to $32K
- Net institutional buying totaled $98.0M across the cluster
- No open-market insider buying was detected in the 13F reporting window (confluence score 19/100, 'institutions_only')
- 13F data is as of September 30, 2026, with a 45-day reporting lag; positions may have changed since quarter-end
Financial Impact
Three asset managers accumulated $98.0M in net new CELC positions, with Assenagon alone adding $97.9M. One seller trimmed $83K.
Risk Factors
- 13F data is stale (quarter-end September 30, 2026); the cluster may have been unwound since
- No insider buying to corroborate the institutional signal
- Concentration risk: one fund (Assenagon) accounts for 99.9% of net buying
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-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Nov 2, 2026 2d ago | Institutional Cluster | $69.72 | awaiting T+5 | awaiting T+5 | No price |
Oct 24, 2026 11d ago | Press Release | $65.80 $69.13 | ▲ +5.06% | ▲ +6.32% | No price |
Oct 5, 2026 4w ago | 3 | $71.25 $63.19 | ▼ −11.31% | ▼ −11.17% | No price |
Oct 2, 2026 4w ago | 8-K | $72.10 $67.94 | ▼ −5.77% | ▼ −6.93% | No price |
Sep 30, 2026 5w ago | 8-K | $79.52 $65.78 | ▼ −17.28% | ▼ −19.19% | No price |
Sep 22, 2026 6w ago | Institutional Cluster | $84.10 $77.38 | ▼ −7.99% | ▼ −6.80% | No price |
Aug 26, 2026 10w ago | 8-K | $95.08 $96.20 | ▲ +1.18% | ▲ +1.30% | No price |
Jul 14, 2026 16w ago | 144 | $91.51 $90.14 | ▲ +1.50% | ▲ +0.52% | No price |
Jul 14, 2026 16w ago | Press Release | $91.51 $90.14 | ▼ −1.50% | ▼ −0.52% | No price |
Jun 11, 2026 20w ago | Institutional Cluster | $89.49 $88.05 | ▼ −1.61% | ▼ −2.04% | No price |
US Market Status
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