K33 (K33.ST) — BTC Stacking Curve
Cumulative holdings, every disclosed buy, share price, and the best-fit saturation curve.
K33 holds 141 BTC across 8 disclosed purchases. Average cost basis $1.1M per BTC. Last 30 days: 0 BTC. Last 90 days: 0 BTC — 0/week. Best fit: Richards (R² 0.95). Curve flattens toward 169.2 BTC, steepest accumulation Jul 2025.
Transaction history
All BTC transactions, most recent first.
| Date | BTC | Spot | USD Cost | Cumulative |
|---|---|---|---|---|
| Sep 22, 2025 | 15 | $1.1M | $16.0M | 141 |
| Jul 29, 2025 | 5 | $1.1M | $5.7M | 126 |
| Jul 14, 2025 | 36 | $1.2M | $41.4M | 121 |
| Jul 11, 2025 | 50 | $1.1M | $56.0M | 85 |
| Jul 2, 2025 | 10 | $1.0M | $10.2M | 35 |
| Jun 18, 2025 | 5 | $1.0M | $5.0M | 25 |
| Jun 13, 2025 | 10 | $1.0M | $10.2M | 20 |
| Jun 3, 2025 | 10 | $1.0M | $10.2M | 10 |
How to read this chart
Cumulative BTC held — the staircase. Each step is a disclosed purchase; the step height is the size of the buy.
Purchase bubbles — one per buy. Bubble size is the BTC count; vertical position is the per-BTC cost basis. Small-and-high is a small buy at a high price; big-and-low is a big buy made cheap.
Share price — the secondary line on the right axis. Did the company stack faster when its equity ran hot?
Regression fit — the best of a Richards and a Gompertz saturation curve, chosen by log-R². It has to flatten: there are only 21 million Bitcoin.
Controls — Linear/Log switches the BTC axis. Play animates the curve forward through disclosure time. ‹ › steps through the cohort by holdings.