Aerarium

SEC EDGAR Form 13F

Ruane Cunniff & Goldfarb

Ruane Cunniff & Goldfarb is an institutional investment manager identified in SEC EDGAR Form 13F data.

Latest Form 13F: 50 long U.S. equity positions, $6.0B reported value for the period ended Mar 31, 2026, led by ALPHABET INC, LIBERTY MEDIA CORP DEL, and SCHWAB CHARLES CORP.

CIK: 1720792 · Filed: May 15, 2026 · Period: Mar 31, 2026

Reported value
$6.0B
Positions
50
Key person
13F reporting manager
Style
Institutional 13F
Top holding
GOOGL · ALPHABET INC
Period
Mar 31, 2026
Filed
May 15, 2026
CIK
1720792

What a 13F does not show

Form 13F covers many reportable long U.S. equity positions at quarter end. It does not show every asset type, short positions, hedges, intraperiod trades, or current holdings after the report date. Use it as ownership context, not investment advice.

Read the 13F guide →
GOOGL
ALPHABET INC
Portfolio weight
10.10%
FWONK
LIBERTY MEDIA CORP DEL
Portfolio weight
7.56%
SCHW
SCHWAB CHARLES CORP
Portfolio weight
7.35%
ICE
INTERCONTINENTAL EXCHANGE IN
Portfolio weight
6.89%
TSM
TAIWAN SEMICONDUCTOR MANUFAC
Portfolio weight
6.77%

Top reported holdings

Showing the top 50 positions by reported value. Source: SEC EDGAR Form 13F; period 2026-03-31; filed 2026-05-15.

#TickerCompanySharesValuePortfolio %QoQ change
1GOOGLALPHABET INC2.1M$609M10.10%-2.6%
2FWONKLIBERTY MEDIA CORP DEL5.4M$455M7.56%-2.4%
3SCHWSCHWAB CHARLES CORP4.7M$443M7.35%-15.7%
4ICEINTERCONTINENTAL EXCHANGE IN2.6M$415M6.89%-2.4%
5TSMTAIWAN SEMICONDUCTOR MANUFAC1.2M$408M6.77%-15.0%
6ELVELEVANCE HEALTH INC FORMERLY1.4M$406M6.74%-2.4%
7COFCAPITAL ONE FINL CORP2.0M$368M6.11%-2.4%
8--SUNBELT RENTALS HOLDINGS INC5.5M$357M5.93%--
9MSAMSA SAFETY INC1.8M$291M4.83%-1.9%
10ZTSZOETIS INC2.4M$287M4.76%--
11GOOGALPHABET INC950.4K$273M4.52%-16.8%
12ALGNALIGN TECHNOLOGY INC1.2M$207M3.43%-1.3%
13UNHUNITEDHEALTH GROUP INC728.4K$197M3.27%-2.4%
14ACNACCENTURE PLC IRELAND928.2K$184M3.05%-1.6%
15ICLRICON PLC1.6M$181M3.00%-2.7%
16TECHBIO-TECHNE CORP3.4M$177M2.94%+131.4%
17BRKBBERKSHIRE HATHAWAY INC DEL310.4K$149M2.47%-1.8%
18SAPSAP SE749.9K$128M2.13%+1532.8%
19METAMETA PLATFORMS INC201.1K$115M1.91%-15.8%
20BRKABERKSHIRE HATHAWAY INC DEL110$79M1.31%-4.3%
21CACCCREDIT ACCEP CORP MICH146.2K$62M1.03%-72.7%
22LBRDKLIBERTY BROADBAND CORP1.2M$59M0.97%-36.8%
23FWONALIBERTY MEDIA CORP DEL723.8K$57M0.94%-2.0%
24AMTMAMENTUM HOLDINGS INC1.6M$42M0.70%-32.2%
25CHTRCHARTER COMMUNICATIONS INC152.6K$33M0.55%-57.9%
26GLIBKGCI LIBERTY INC506.7K$19M0.31%-6.0%
27LBRDALIBERTY BROADBAND CORP223.8K$11M0.19%-65.7%
28GLIBAGCI LIBERTY INC127.5K$5M0.08%-2.8%
29EQHEQUITABLE HLDGS INC40.5K$2M0.02%-0.4%
30GPIGROUP 1 AUTOMOTIVE INC4.0K$1M0.02%+11.2%
31VTIVANGUARD INDEX FDS2.7K$881,586.000.01%+2.6%
32JJACOBS SOLUTIONS INC6.3K$800,337.000.01%-3.1%
33NFLXNETFLIX INC.8.1K$777,950.000.01%+55.0%
34LADLITHIA MTRS INC3.0K$746,163.000.01%-2.0%
35MUMICRON TECHNOLOGY INC2.2K$730,410.000.01%+0.0%
36GMEDGLOBUS MED INC6.0K$517,649.000.01%--
37VXUSVANGUARD STAR FDS5.9K$455,874.000.01%+8.7%
38KSPIKASPI KZ JSC4.1K$302,428.000.01%-0.7%
39CPACOPA HOLDINGS SA2.6K$290,274.000.00%+0.0%
40AXPAMERICAN EXPRESS CO932$281,911.000.00%+0.0%
41MSFTMICROSOFT CORP737$272,815.000.00%+7.0%
42DGDOLLAR GEN CORP2.2K$259,781.000.00%+0.8%
43AAPLAPPLE INC961$243,892.000.00%+7.9%
44FERGFERGUSON ENTERPRISES INC1.0K$233,260.000.00%+0.0%
45SBGISINCLAIR INC18.0K$232,389.000.00%+0.0%
46SPGIS&P GLOBAL INC531$225,856.000.00%+0.0%
47SDHCSMITH DOUGLAS HOMES CORP14.5K$185,472.000.00%+18.7%
48STLASTELLANTIS N.V25.1K$177,782.000.00%-2.0%
49ATAIATAIBECKLEY INC42.1K$149,076.000.00%--
50RMNIRIMINI STR INC DEL35.3K$115,669.000.00%-5.0%

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