**Tether Buys 8,888 Bitcoin Worth $1 Billion on Last Day of Q3 2025**
Today, on September 30, 2025, which also marks the last day of Q3 2025, Tether—the issuer of USDT—added another substantial block of Bitcoin to its reserves. According to market watchdogs, Tether moved approximately $1 billion to acquire 8,888.889 BTC, marking one of the largest Bitcoin inflows recorded for the stablecoin issuer in 2025.
The transaction was spotted by Onchain Lens and involved a direct transfer from Bitfinex hot wallets to Tether’s reserve address. This move aligns with a larger on-chain pattern observed over recent years, indicating Tether’s ongoing strategy to increase its Bitcoin holdings.
> Just In: Tether (@Tether_to) has bought 8,888.889 $BTC worth $1B, on the last day of Q3 2025.
> Address: bc1qjasf9z3h7w3jspkhtgatgpyvvzgpa2wwd2lr0eh5tx44reyn2k7sfc27a4
> Data @nansen_ai pic.twitter.com/5GwX50ZXou
> — Onchain Lens (@OnchainLens) September 30, 2025
Over the past two years, Tether has consistently added blocks of Bitcoin worth between $700 million and $1.4 billion to its reserves. These purchases often take place during periods of market tension, which may also reflect the current state of the cryptocurrency market.
As of now, Tether’s Bitcoin reserve address holds a total of 86,335 BTC, valued at approximately $9.75 billion, making it the sixth-largest Bitcoin wallet in the market.
Since announcing in May 2023 that it would allocate 15% of company profits regularly to Bitcoin purchases for reserves, Tether’s BTC acquisitions have been steady. Their last Bitcoin withdrawal from exchanges occurred on the last day of Q1 2025, further highlighting their strategic accumulation plan.
With the latest purchase in Q3, Tether’s Bitcoin holdings have grown by about 11%, positioning the cryptocurrency well ahead of gold in value and approaching a 10% share of their total reserves.
Based on the average purchase price of approximately $48,542 per BTC—calculated at the withdrawal price from exchanges—Tether is currently sitting on an unrealized profit estimated at $5.5 billion.
Tether’s market capitalization of $115.2 billion provides the company with unmatched liquidity, enabling institutions to leverage USDT for yield generation, cross-chain transactions, and other financial activities.
As Tether continues to expand its Bitcoin reserves, market watchers will be closely monitoring the stablecoin issuer’s moves as a barometer for confidence and stability in the crypto space.
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