Whale Monthly Trading Patterns: Seasonal NZX Analysis

Q: Which month has the most whale buying activity?

May sees the most substantial shareholder buying with 137 entries totaling $14746.1M across 44 different stocks.

Q: Which month has the most whale selling activity?

June has the highest selling activity with 95 exits totaling $23766.7M across 33 stocks.

Q: Are there seasonal patterns in whale trading on NZX?

Yes. Analysis of 1000 trades shows distinct monthly patterns. May and December are peak buying months, while June and December see heaviest selling.

Q: How many stocks are tracked in this analysis?

We track 92 NZX stocks with substantial shareholder activity, analyzing 1000 total entry and exit transactions to identify monthly patterns.

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Whale Monthly Trading Patterns: Seasonal Analysis | NZXplorer

Whale Tracker/

Monthly Trading Patterns

When do whales buy and sell? Discover seasonal patterns across all NZX stocks and identify the most active trading months.

Peak Buying Month

May

137 whale entries

44 different stocks

$14746.1M total value

3837.6M shares

Peak Selling Month

June

95 whale exits

33 different stocks

$23766.7M total value

3878.8M shares

Months Ranked by Buying Activity

Aggregate whale entry activity by month (all stocks)

Rank	Month	Entries	Stocks	Value
1	May🏆	137	44	$14746.1M
2	December	73	30	$14337.5M
3	June	111	31	$10652.1M
4	July	66	26	$10458.8M
5	October	79	33	$8723.8M
6	March	141	44	$7070.4M
7

Most Common Trading Months by Stock

For each stock, which month sees the most whale entry and exit activity?

Stock	Company	FY End	Most Common Buy Month	Most Common Sell Month	Total Trades
EBO	EBOS Group Limited	Jun	July*	July*	96
ATM	The a2 Milk Company Limited	Jun	June*	August*	88
DOW	Downer EDI Limited	Jun	March

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 1000 whale positions across 92 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.

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Data sourced from publicly available NZX disclosures. Our datasets may not be complete. Automated analysis can produce errors. If you believe any data on this page is incorrect, please contact us at hello@nzxplorer.co.nz. Past performance does not indicate future results. For informational purposes only. Not investment advice.

Months Ranked by Selling Activity

Aggregate whale exit activity by month (all stocks)

Rank	Month	Exits	Stocks	Value
1	June🏆	95	33	$23766.7M
2	December	81	33	$17322.0M
3	February	81	31	$9482.9M
4	July	54	20	$8382.3M
5	May	136	45	$8007.0M
6	March	147	45	$6338.0M
7	August	77	34	$6143.3M
8	April	70	31	$4874.3M
9	October	87	38	$3413.1M
10	September	84	32	$2640.3M
11	November	56	30	$2173.5M
12	January	32	18	$1798.7M