Harry Potter Birthday Decorations Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Harry Potter Birthday Decorations sales on Amazon US totaled 41,950 units in July 2026 (▲ 6.6% vs. the prior month), generating an estimated $479,283 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 62.0% of unit volume and 56.4% of revenue, while a typical listing is priced at $14.53. The keyword itself pulled 27,719 Amazon queries over the same period (▲ 4.4% MoM).
Zooming out to the 12-month window ending July 2026, the harry potter birthday decorations Top 50 moved 562,700 units and $7,554,226 in cumulative sales — an average of 46,892 units and $629,519 per month. Monthly throughput topped out at 72,550 units in October 2025 and dipped to 23,950 in May 2026, leaving the latest reading 2.4% lower than August 2025.
Harry Potter Birthday Decorations Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
42K
▲ 6.6% MoM
Monthly Revenue 2026/07
$479.3K
▲ 3.6% MoM
Top 10 Market Share 2026/07
62.0%
Harry Potter Birthday Decorations Market Share & Sales Concentration on Amazon US — July 2026
The most-sold harry potter birthday decorations listing on Amazon US in July 2026 is ASIN B08X6LYL5V (Brand: PHD CAKE), which sold 9,000 units at $5.98 apiece — equal to 21.5% of every unit tracked in this report and 3.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 26,000 units and $270,090 in July 2026 — 62.0% of unit volume and 56.4% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Harry Potter Birthday Decorations' on Amazon
July 2026
Is 62.0% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown
B08X6LYL5V
PHD CAKE Gold Long Thin Metallic Birthday Candles, Cake Candles, Birthday Parties, Wedding Decorations, Party Candles, Cake Decorations
9K
▲ 12.5%vs. prior month
$53.5K
latest month
12-month trend
B0DLNTNGJT
2 Pack Gold Tinsel Backdrop, 3.28 FT x 7.05 FT Metallic Fringe Curtain, Gold Color Graduation Backdrop Party Streamers, Party Supplies Door Decorations for Birthday Anniversaries
3K
▼ 40.0%vs. prior month
$17.9K
latest month
12-month trend
B0F2PVBTN9
Harry Potter Fruit Flavored Snacks, 17.6 oz, 22 Pouches | Gluten Free, Fat Free, 80 Calories Per Serving, No Colors From Artificial Sources, Excellent Source Of Vitamin C
3K
▲ 0.0%vs. prior month
$14.9K
latest month
12-month trend
B0FMS7Q3RS
LEGO LEGO Harry Potter Hogwarts Castle: Sorting Hat Ceremony Building Toy for Boys, Girls - Pretend Play Set for Kids, Ages 7+ - W/4 Minifigures & Cat Patronus Toy Figure - Gift Idea for Birthdays - 76460
3K
▲ 50.0%vs. prior month
$36K
latest month
12-month trend
B0B51Y485S
Harry Potter Metal Bookmark with Hanging Charm Golden Snitch Hogwarts Reading Gifts Christmas Stocking Stuffers Book Lovers Gift Box | Golden Snitch Book Marker in Gift Box for Books and Journals, Gifts for Women, Kids, Students, Teachers and Readers
2K
▲ 0.0%vs. prior month
$25.9K
latest month
12-month trend
B0CRFZ5PZQ
CON*QUEST ConQuest Harry Potter Wizarding House Banner Official Flag Set | 12" x 20" Polyester Flags, Gryffindor, Slytherin, Ravenclaw & Hufflepuff Banners, Birthday Party
2K
▲ 100.0%vs. prior month
$38.2K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Harry Potter Birthday Decorations Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
PHD CAKE is the best-performing harry potter birthday decorations brand in July 2026, moving 9,000 units across 1 ASIN for 34.6% of Top 10 volume. CON*QUEST follows with 4,000 units (15.4%), ahead of ZATAYE on 3,000 units (11.5%).
With 8 brands splitting the Top 10 and 61.5% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $5.98 to $14.32, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
PHD CAKE
1 ASIN in Top 10
34.6%
Units
9K
Revenue
$53.5K
Avg. price
$5.98
B08X6LYL5V
$5.98·★4.8·6.7K revsPHD CAKE Gold Long Thin Metallic Birthday Candles, Cake Candles, Birthday Parties, Wedding Decorations, Party Candles, Cake Decorations
Units sold9K
CON*QUEST
3 ASINs in Top 10
15.4%
Units
4K
Revenue
$61.1K
Avg. price
$14.32
B0CRFZ5PZQ
$19.99·★4.8·1.5K revsCON*QUEST ConQuest Harry Potter Wizarding House Banner Official Flag Set | 12" x 20" Polyester Flags, Gryffindor, Slytherin, Ravenclaw & Hufflepuff Banners, Birthday Party
Units sold2KB0D2PGRBZM
$12.98·★4.8·935 revsConquest Harry Potter Floating Hogwarts Acceptance Letters Decoration | Pre-Threaded Hanging Decorations, 40 Cards, 4 Clear Nylon Strings, Wizarding Party Supplies, Home Decor, Officially Licensed
Units sold1KB08GNBGSD2
$9.99·★4.8·5.1K revsConquest Harry Potter Watercolor Vinyl Stickers | Set of Unique Sticker Decals, 5 Holograms, Waterproof, UV & Scratch Resistant, Great for Gadgets, Officially Licensed 60-Pack
Units sold1K
ZATAYE
1 ASIN in Top 10
11.5%
Units
3K
Revenue
$17.9K
Avg. price
$5.98
B0DLNTNGJT
$5.98·★4.5·5.7K revs2 Pack Gold Tinsel Backdrop, 3.28 FT x 7.05 FT Metallic Fringe Curtain, Gold Color Graduation Backdrop Party Streamers, Party Supplies Door Decorations for Birthday Anniversaries
Units sold3K
Trending Harry Potter Birthday Decorations Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 2 ASINs forced its way in: B0C452J5HT booked 1K units at $23.97, with ▲ 233.3% MoM change. On the growth side, B086QJPBFG leads positive momentum with ▲ 300.0% MoM growth on 200 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0C452J5HT
kakoya Flameless Floating Candles with Wand，20 Pcs Magic LED Hanging Taper Candles，Flickering Battery Operated Taper Candle with Wand Remote for Halloween Decorations Best Gift（White）
Price
$23.97
Rating
4.4
Reviews
993
Latest month sales
B0D2PGRBZM
Conquest Harry Potter Floating Hogwarts Acceptance Letters Decoration | Pre-Threaded Hanging Decorations, 40 Cards, 4 Clear Nylon Strings, Wizarding Party Supplies, Home Decor, Officially Licensed
Price
$12.98
Rating
4.8
Reviews
935
Latest month sales
B086QJPBFG
Hallmark Harry Potter Wrapping Paper with Cut Lines on Reverse (3-Pack: 60 sq. ft. ttl; Marauder's Map, Hogwarts Crest) for Birthdays, Graduations, Christmas, Valentine's Day, Kids, Fans
Unlock to view ASIN details and product titles
Price
$16.99
Rating
4.8
Reviews
3.4K
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this harry potter birthday decorations report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card