BNTC Benitec Biopharma Inc.
Executive Summary
Three mega-passive institutional investors (BlackRock, State Street, Fidelity) collectively added $6.1M in BNTC during Q3 2025, while Morgan Stanley trimmed $175K. The buying is dominated by index-fund rebalancing rather than active conviction, and historical calibration shows this filing type has a negative average alpha at T+20 (-2.04%). The cluster signal is weak given the passive nature of the buyers and the small absolute dollar amounts relative to BNTC's $357M market cap.
Key Financial Metrics
Institutional Positions
Net institutional flow: $5.9M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| BlackRock | ADD | +31.6% | $13.3M | $4.9M |
| State Street | ADD | +35.6% | $3.1M | $1.2M |
| Fidelity | DOUBLED | +567.2% | $17.0K | $15.0K |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Morgan Stanley | TRIM | -53% | $402.0K | -$175.4K |
Actionable Insight
The cluster is entirely passive/index-fund buying, likely reflecting BNTC's inclusion in or increased weighting within Russell or other indices. No active manager conviction signal exists. Monitor for any active fund 13F filings in subsequent quarters for a genuine institutional thesis read.
Key Facts
- 3 institutional buyers added $6.1M in aggregate BNTC holdings during Q3 2025
- BlackRock increased its position by 31.6% to $13.3M, the largest buyer
- State Street added 35.6% to $3.1M; Fidelity doubled a tiny position to $17K
- Morgan Stanley trimmed 53% of its BNTC stake, selling $175K
- All four funds are mega-passive/index-trackers — no active managers or hedge funds in the cluster
- Historical calibration shows this filing segment has a net negative average alpha of -2.04% at T+20
Financial Impact
3 institutional buyers accumulated $6.1M in new BNTC positions while 1 seller reduced holdings by $175K, for net buying of approximately $5.9M
Risk Factors
- Passive buying provides no fundamental thesis signal — may reverse on next index rebalance
- Historical calibration shows negative average alpha at T+20 for this filing type
- Small absolute dollar amounts ($6.1M vs $357M market cap) limit potential impact
Market Snapshot
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-BNTC-2025-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
1d ago
|
Institutional Cluster
| $10.90 awaiting T+5 | awaiting T+5 | — | — |
|
Jun 11, 2026
2d ago
|
Institutional Cluster
| $10.40 awaiting T+5 | awaiting T+5 | — | — |
|
May 14, 2026
4w ago
|
8-K
| $11.85 $11.36 | ▼ −4.13% | ▼ −3.42% | — |
|
May 14, 2026
4w ago
|
Press Release
| $11.85 $11.36 | ▼ −4.13% | ▼ −3.42% | — |
|
Mar 10, 2026
13w ago
|
Press Release
| $12.27 $11.75 | ▼ −4.24% | ▼ −3.33% | — |
US Market Status
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