Tigo Energy, Inc. (TYGO) Institutional Ownership

Ownership Summary

Tigo Energy, Inc. (NASDAQ:TYGO) showed up in the 13F filings of 38 institutional investors as of December 2025.

• These investors held 18.3% of outstanding shares in December 2025, down from 20.1% in September 2025.
• They decreased total shares held in TYGO by -0.78% quarter over quarter, and investors in Tigo Energy increased 171.43% from a year ago.
• Of these 38 funds, 32 grew their exposure to Tigo Energy, 5 cut back, and 1 maintained positions.
• Combined, these investors held 12.01Mn shares in TYGO for December 2025, down by 93.98K shares quarter on quarter, and up 2.83Mn shares year over year.
• As of December 31, 2025, AIGH Capital Management LLC held the largest stake in Tigo Energy with 7.28Mn shares, accounting for 11.08% of total shares outstanding.
• The biggest buyers of Tigo Energy for the quarter ending December 2025 included AIGH Capital Management LLC (7.28Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.04Mn), AWM Investment Company, Inc. (1.91Mn), MILLENNIUM MANAGEMENT LLC (785.39K), VANGUARD FIDUCIARY TRUST CO (211.44K).
• The largest sellers of Tigo Energy for the quarter ending December 2025 were CITADEL ADVISORS LLC (300.53K), D. E. Shaw & Co., Inc. (150.12K), XTX Topco Ltd (135.89K), OMERS ADMINISTRATION Corp (130.4K), RENAISSANCE TECHNOLOGIES LLC (126.16K).
• Business Quant data shows the 10 biggest positions in Tigo Energy as of December 2025 are held by AIGH Capital Management LLC (7.28Mn), AWM Investment Company, Inc. (2.15Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.04Mn), RENAISSANCE TECHNOLOGIES LLC (1.3Mn), MILLENNIUM MANAGEMENT LLC (785.39K), Walleye Capital LLC (651.16K), ACADIAN ASSET MANAGEMENT LLC (625.89K), Bank Of America Corp /De/ (471.04K), TWO SIGMA INVESTMENTS, LP (466.11K), GEODE CAPITAL MANAGEMENT, LLC (372.68K).