Terminal · Institutions

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

WINMILL & CO. INC 13F Holdings -- Portfolio & Top Positions (2026-06-30)

WINMILL & CO. INC (CIK 52234) reported $451.7M across 56 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: LRCX ($47.2M, 10.46%), STLD ($38.7M, 8.57%), GOOGL ($38.6M, 8.55%), IBKR ($28.5M, 6.31%), WSM ($25.9M, 5.73%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1LRCXLam Research Corporation$47.2M10.46%109,000Hold
2STLDSTEEL DYNAMICS INC$38.7M8.57%168,747Hold
3GOOGLAlphabet, Inc.$38.6M8.55%108,100Hold
4IBKRInteractive Brokers Group, Inc.$28.5M6.31%327,200Hold
5WSMWilliams-Sonoma, Inc.$25.9M5.73%111,000Trimmed
6MLIMueller Industries, Inc.$20.8M4.61%169,280Hold
7IAGIAMGOLD Corporation$18.8M4.17%1.2MHold
8URIUNITED RENTALS INC$17.5M3.87%15,409Hold
9PGRPROGRESSIVE CORP$17.4M3.86%79,765Added
10NMIHNMI Holdings, Inc.$16.3M3.60%396,095Hold
11YOUClear Secure, Inc.$16.1M3.57%289,135Hold
12MSFTMICROSOFT CORP$14.8M3.29%39,775New
13ESNTEssent Group Ltd.$13.8M3.05%214,500Hold
14LPLALPL Financial Holdings, Inc.$13.1M2.90%46,500Hold
15QLYSQualys, Inc.$12.2M2.70%88,641Hold
16DDSDILLARDS INC$11.4M2.52%21,538Hold
17NUTXNutex Health, Inc.$11.2M2.47%65,350Hold
18AMPAmeriprise Financial, Inc.$10.1M2.23%21,990New
19DUOLDuolingo, Inc.$10.0M2.20%86,552New
20WTMWhite Mountains Insurance Group Ltd.$10.0M2.20%4,800New
21NVRNVR INC$7.2M1.60%1,062Hold
22GDDYGoDaddy, Inc.$7.0M1.54%82,200New
23ALRMAlarm.com Holdings, Inc.$5.9M1.30%126,100Hold
24UNHUnitedHealth Group, Inc.$5.6M1.24%13,500Hold
25MAMastercard, Inc.$5.1M1.14%10,000Hold

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