Ownership Summary
Recent 13F filings as of December 2025 show that 4 institutional investors hold a position in STAK Inc. (NASDAQ:STAK).
- Stak saw its institutional ownership percentage rose to 0.9% in December 2025 from 0.4% in September 2025.
- Institutional share ownership changed by 109.91% QoQ, while the number of institutional owners saw an unavailable change YoY.
- During the quarter, 3 institutions bought more Stak shares, 1 sold shares, and 0 of the 4 total investors held their position steady.
- This class of investors increased its holdings in Stak to 97.44K shares for the 13F-cycle ending December 2025, up by 51.02K shares quarter on quarter, and down N/A shares year over year.
- CITADEL ADVISORS LLC's holding of 54.12K shares as of December 31, 2025 makes it the primary institutional investor in Stak, owning 0.50% of the stock.
- Among the most significant buyers of Stak during December 2025 were XTX Topco Ltd (31.80K), CITADEL ADVISORS LLC (12.51K), Moors & Cabot, Inc. (10.00K).
- Leading sellers of Stak stock in December 2025 included UBS Group AG (3.29K).
- The top 4 institutional holders of Stak for the quarter ending December 2025 included CITADEL ADVISORS LLC (54.12K), XTX Topco Ltd (31.80K), Moors & Cabot, Inc. (10.00K), UBS Group AG (1.51K).