Alta Park Capital, LP: APPLIED MATLS INC (AMAT): Quarterly 13F Position History
As of Q1 2026, Alta Park Capital, LP reported 101,510 shares of APPLIED MATLS INC (AMAT), worth $34.7M and representing 5.6% of its 13F equity book. Quarter-over-quarter share count change: 21,816 (-17.7%) . The position first appeared in Q3 2025 and has been disclosed across 3 13F-HR filings in Pactolio's tracked window.
- 101,510Shares Held (Latest Filing)
- $34.7MReported Market Value (Latest Filing)
- 5.6%Portfolio Weight (% of 13F Equity Book)
- 21,816Quarter-over-Quarter Share Change
- +$3.0MQuarter-over-Quarter Value Change
- 136,287Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 3 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q1 2026 | 101,510 | 21,816 | -17.7% | $34.7M | 5.6% | $341.8 |
| Q4 2025 | 123,326 | 12,961 | -9.5% | $31.7M | 3.8% | $257.0 |
| Q3 2025 | 136,287 | — | — | $27.9M | 2.8% | $204.7 |
Methodology & FAQ
How This Position History Is Sourced
Each row is one SEC Form 13F-HR filing disclosing this position. Share count, market value, and reported quarter are taken verbatim from the filing; portfolio weight is recomputed against the same filing's total reported equity book. Implied price-per-share is market value divided by shares — a quarter-end mark, not the manager's cost basis. See the full methodology document for the normalization rules.
When did Alta Park Capital, LP first disclose a AMAT position in 13F-HR filings?
Alta Park Capital, LP first reported APPLIED MATLS INC (AMAT) on its 13F-HR filing for the period ending 2025-09-30 (Q3 2025). The position has appeared on 3 reported quarters within Pactolio's tracked window.
What was Alta Park Capital, LP's most recent quarter-over-quarter share-count change in AMAT?
Between Q4 2025 and Q1 2026, Alta Park Capital, LP reduced its AMAT position by 21,816 shares (-17.7%), leaving 101,510 shares at a market value of $34.7M.
Does the implied price-per-share represent Alta Park Capital, LP's cost basis in AMAT?
No. The implied price-per-share column is the 13F-HR reported market value divided by reported share count on the filing date (end of quarter). It is a quarter-end mark, not a cost basis or transaction price. Use it as a sanity check on the value column, not as an indicator of the manager's entry or exit price.