Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

ARDSLEY ADVISORY PARTNERS LP 13F Holdings -- Portfolio & Top Positions (2026-06-30)

ARDSLEY ADVISORY PARTNERS LP (CIK 900529) reported $960.2M across 130 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: SNDK ($56.7M, 5.90%), AMD ($54.0M, 5.63%), SEZL ($36.9M, 3.84%), WULF ($23.7M, 2.47%), BTSG ($22.7M, 2.36%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1SNDKSANDISK CORP$56.7M5.90%25,000Trimmed
2AMDADVANCED MICRO DEVICES INC$54.0M5.63%93,000Added
3SEZLSEZZLE INC$36.9M3.84%215,000Trimmed
4WULFTERAWULF INC$23.7M2.47%966,000Trimmed
5BTSGBRIGHTSPRING HEALTH SVCS INC$22.7M2.36%325,000Trimmed
6EBAYEBAY INC.$22.3M2.32%201,000Added
7RUNSUNRUN INC$21.4M2.23%1.6MAdded
8PSTGEVERPURE INC$20.7M2.15%263,000New
9VIAVVIAVI SOLUTIONS INC$18.6M1.94%390,000Trimmed
10ARMARM HOLDINGS PLC$16.6M1.73%47,000Added
11SHLSSHOALS TECHNOLOGIES GROUP IN$16.5M1.72%1.7MTrimmed
12AMZNAMAZON COM INC$16.4M1.71%69,000Trimmed
13UTHRUNITED THERAPEUTICS CORP DEL$16.3M1.69%30,000Trimmed
14TEVATEVA PHARMACEUTICAL INDS LTD$15.8M1.64%465,000Trimmed
15GOOGALPHABET INC$15.3M1.60%43,500Added
16PANWPALO ALTO NETWORKS INC$14.6M1.52%43,000New
17TWLOTWILIO INC$14.2M1.48%69,000Added
18ZMZOOM COMMUNICATIONS INC$13.6M1.42%158,000Added
19PRIMPRIMORIS SVCS CORP$13.4M1.39%135,000New
20AAPLAPPLE INC$13.0M1.35%45,000Added
21MODMODINE MFG CO$12.0M1.25%45,000Trimmed
22ONTOONTO INNOVATION INC$11.9M1.24%31,500New
23SNXTD SYNNEX CORPORATION$11.6M1.21%43,500New
24BKDBROOKDALE SR LIVING INC$11.1M1.16%690,000Trimmed
25ENPHENPHASE ENERGY INC$10.8M1.12%220,000Added

Source: SEC Form 13F filings · as of 2026-06-30