When do whales buy and sell? Discover seasonal patterns across all NZX stocks and identify the most active trading months.
Peak Buying Month
Peak Selling Month
Months Ranked by Buying Activity
Aggregate whale entry activity by month (all stocks)
| Rank | Month | Entries | Stocks | Value |
|---|---|---|---|---|
| 1 | May🏆 | 30 | 14 | $7740.9M |
| 2 | July | 39 | 12 | $7566.0M |
| 3 | June | 44 | 15 | $4041.1M |
| 4 | March | 35 | 16 | $1735.3M |
| 5 | October | 26 | 12 | $1577.3M |
| 6 | January | 10 | 7 | $1330.3M |
| 7 | February | 23 | 13 | $1088.1M |
| 8 | November | 12 | 8 | $1047.5M |
| 9 | August | 26 | 12 | $1005.8M |
| 10 | September | 21 | 14 | $368.6M |
| 11 | April | 23 | 13 | $278.2M |
| 12 | December | 13 | 8 | $123.1M |
Months Ranked by Selling Activity
Aggregate whale exit activity by month (all stocks)
| Rank | Month | Exits | Stocks | Value |
|---|---|---|---|---|
| 1 | May🏆 | 29 | 15 | $9353.9M |
| 2 | July | 37 | 13 | $7471.0M |
| 3 | June | 32 | 13 | $3931.3M |
| 4 | October | 31 | 16 | $1770.5M |
| 5 | August | 32 | 15 | $1683.5M |
| 6 | March | 37 | 14 | $1363.6M |
| 7 | January | 5 | 4 | $1319.1M |
| 8 | February | 17 | 13 | $939.2M |
| 9 | April | 24 | 12 | $858.9M |
| 10 | December | 13 | 9 | $248.5M |
| 11 | September | 28 | 13 | $175.9M |
| 12 | November | 17 | 12 | $79.5M |
Most Common Trading Months by Stock
For each stock, which month sees the most whale entry and exit activity?
| Stock | Company | Most Common Buy Month | Most Common Sell Month | Total Trades |
|---|---|---|---|---|
| EBO | EBOS Group Limited | July | July | 82 |
| SKT | Sky Network Television Limited | June | June | 56 |
| SUM | Summerset Group Holdings Limited | May | September | 46 |
| HGH | Heartland Group Holdings Limited | March | March | 38 |
| GTK | Gentrack Group Limited | June | February | 36 |
| CNU | Chorus Limited | October | October | 36 |
| IFT | Infratil Limited | June | July | 34 |
| AIR | Air New Zealand | May | March | 34 |
| CVT | Comvita Limited | August | March | 28 |
| ATM | The a2 Milk Company Limited | June | August | 28 |
| NZM | NZME Limited | February | August | 24 |
| NZK | New Zealand King Salmon Investments Limited | January | January | 20 |
| MEL | Meridian Energy Limited | March | March | 20 |
| BPG | Black Pearl Group Limited | December | December | 14 |
| IKE | ikeGPS Group Limited | February | February | 14 |
| ERD | EROAD | March | October | 14 |
| CEN | Contact Energy Limited | February | October | 10 |
| GMT | Goodman Property Trust | June | June | 10 |
| ENS | Enprise Group Limited | May | September | 10 |
| RAD | Radius Residential Care Limited | August | August | 8 |
| ARG | Argosy Property Limited | May | June | 8 |
| SEK | Seeka Limited | January | April | 6 |
| SCT | Scott Technology Limited | May | May | 4 |
| SVR | Savor Limited | October | October | 4 |
| GNE | Genesis Energy Limited | April | July | 4 |
| GEN | General Capital Limited | March | March | 4 |
| RAK | Rakon Limited | March | March | 2 |
| SPN | South Port New Zealand Limited | February | February | 2 |
| AFT | AFT Pharmaceuticals Limited | June | June | 2 |
| APL | Asset Plus | October | October | 2 |
Methodology
This analysis tracks when substantial shareholders (5%+ voting rights) enter and exit positions:
- Entry Month: Month of first substantial disclosure (whale buying)
- Exit Month: Month of last disclosure below 5% threshold (whale selling)
- Value: Calculated as shares × entry/exit price
- Most Common Month: The single month with highest activity for each stock
Note: Based on 302 whale positions across 32 NZX stocks. Updates automatically as new substantial shareholder disclosures are processed.
Disclaimer
Data sourced from NZX disclosures. Our datasets may not be complete and we are continuously updating and adding more data to the platform.
This analysis is provided for informational and educational purposes only. Nothing on this page constitutes financial, investment, legal, or tax advice. Always conduct your own research and consult with qualified professionals before making any investment decisions.