account_balance

Investment manager · 13F filer · SEC CIK 1396835

Alpine Associates Management Inc.

Reported value$1.6Bas of Jun 30, 2026
Positions66 29 new, 33 sold out
Top 10 weight45.5%NSC alone is 9%
FiledAug 637 days after quarter end

Portfolio · as of Jun 30, 2026

Where the money is

New or addedTrimmedHeld

Boxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.

Show the top 12 as a list
NSC Norfolk Southn Corp 9.1% Held
GTLS Chart Inds Inc 6.5% Added +15%
QRVO Qorvo Inc 4.7% Held
SLAB Silicon Laboratories Inc 4.1% Added +34%UNF Unifirst Corp Mass 3.9% Added +8%PEN Penumbra Inc 3.7% Added +43%KVUE Kenvue Inc 3.7% Added +3%
WBS Webster Finl Corp 3.6% Added +82%
EA Electronic Arts Inc 3.3% Trimmed −19%
SKYT Skywater Technology Inc 3.0% Added +10%
WBD Warner Bros Discovery Inc 2.9% Added +9%
ROKU Roku Inc 2.8% New

What changed

Biggest moves since Mar 31, 2026

Filed Aug 6, 2026, compared with the Apr 21, 2026 filing
add_circleNew
arrow_upwardAdded
arrow_downwardTrimmed
remove_circleSold out
  • Air Lease Corp $89.8M
  • Arcellx Inc $43.4M
  • Apellis Pharmaceuticals Inc $34.8M
  • Centessa Pharmaceuticals PLC $34.4M

Where this data comes from. Insider trades, fund holdings, activist stakes and company results come from public SEC EDGAR filings (Forms 4, 13F, 13D/13G, 10-Q and 8-K). Congress trades come from the STOCK Act reports members file with the House Clerk and the Senate.

This is data, not investment advice. About StockToast