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Focused investors/Ruane Cunniff LP

Ruane Cunniff LP

As of Q1 2026, Ruane Cunniff LP reported 50 long-equity positions worth $6.03B in aggregate.

Copy-investor backtest

Latest quarter
+3.78%
1-year
+14.94%
3-year
+62.06%
3-year top 5
+65.99%

Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. Method & limitations.

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Updated 2026-06-06 from SEC 13F data.

Live quotes available for 28 of 33 rows. Rows without a quote are marked unavailable.

1UNHUNITEDHEALTH GROUP INC9.90%Reduce -1.6%1,320,091$666.7M$505.0452w: $383.12 - $553.29; reported $505.04
2SCHWSCHWAB CHARLES CORP9.31%Reduce -1.5%8,720,090$626.71M$71.8752w: $59.35 - $96.24; reported $71.87
3ICEINTERCONTINENTAL EXCHANGE IN8.62%Reduce -1.6%6,422,256$580.25M$90.3552w: $90.05 - $139.79; reported $90.35
4FWONKLIBERTY MEDIA CORP DEL8.07%Reduce -1.4%9,292,365$543.6M$58.5052w: $49.74 - $68.81; reported $58.50
5ELVELEVANCE HEALTH INC6.67%Reduce -2.6%987,857$448.72M$454.2452w: $363.37 - $533.68; reported $454.24
6KMXCARMAX INC6.34%Reduce -3.6%6,468,603$427.06M$66.0252w: $63.61 - $155.98; reported $66.02
7METAMETA PLATFORMS INC6.17%Add +10.5%3,059,770$415.15M$135.6852w: $134.12 - $353.83; reported $135.68
8CACCCREDIT ACCEP CORP MICH5.35%Reduce -1.8%822,873$360.42M$438.0052w: $423.39 - $703.27; reported $438.00
9GOOGLALPHABET INC5.21%Add +0.9%20:1 split3,668,670$350.91M$95.6552w: $95.56 - $151.55; reported $95.65
10TSMTAIWAN SEMICONDUCTOR MFG LTD4.74%Reduce -29.6%4,651,030$318.88M$68.5652w: $67.74 - $145.00; reported $68.56
11JJACOBS SOLUTIONS INC4.48%New2,779,534$301.55M$108.4952w: $89.13 - $124.34; reported $108.49
12NFLXNETFLIX INC4.29%Reduce -40.3%1,228,082$289.14M$235.4452w: $16.27 - $70.10; reported $235.44
13COFCAPITAL ONE FINL CORP3.87%New2,826,955$260.56M$92.1752w: $90.27 - $174.65; reported $92.17
14MUMICRON TECHNOLOGY INC3.66%Reduce -34.3%4,920,440$246.51M$50.1052w: $48.45 - $98.45; reported $50.10
15GOOGALPHABET INC3.26%Reduce -16.6%20:1 split2,282,754$219.49M$96.1552w: $96.03 - $152.10; reported $96.15
16LBRDKLIBERTY BROADBAND CORP2.65%Reduce -6.2%2,419,567$178.56M$73.8052w: $68.94 - $167.86; reported $73.80
17WWAYFAIR INC2.27%Reduce -5.0%4,685,292$152.51M$32.5552w: $32.47 - $298.00; reported $32.55
18BRK/BBERKSHIRE HATHAWAY INC DELCUSIP 0846707022.07%Add +2.5%522,115$139.42MNo quoteNo quote
19BRK/ABERKSHIRE HATHAWAY INC DELCUSIP 0846701081.20%Reduce -8.3%199$80.89MNo quoteNo quote
20LBRDALIBERTY BROADBAND CORP0.94%Reduce -0.8%849,073$63.34M$74.6052w: $69.84 - $166.07; reported $74.60
21FWONALIBERTY MEDIA CORP DEL0.79%Reduce -3.6%1,007,980$52.94M$52.5252w: $44.38 - $61.95; reported $52.52
22BLDRBUILDERS FIRSTSOURCE INC0.04%Add +4.7%45,747$2.7M$58.9152w: $48.91 - $86.48; reported $58.91
23ASAISENDAS DISTRIBUIDORA S A0.02%Add +19.0%99,689$1.61MNo quoteNo quote
24AMZNAMAZON COM INC0.02%-13,140$1.49M$113.0152w: $101.26 - $188.11; reported $113.01
25MHKMOHAWK INDS INC0.01%-10,833$988K$91.2052w: $88.85 - $199.37; reported $91.20
26EQHEQUITABLE HLDGS INC0.01%Add +6.3%33,972$895K$26.3552w: $24.61 - $37.13; reported $26.35
27STLASTELLANTIS N.V0.01%Add +20.3%51,276$607K$11.8452w: $11.37 - $21.92; reported $11.84
28SBGISINCLAIR BROADCAST GROUP INC0.00%-17,719$321K$18.1252w: $17.44 - $32.95; reported $18.12
29RMNIRIMINI STR INC DEL0.00%Reduce -12.3%30,380$142K$4.6752w: $4.19 - $11.52; reported $4.67
30ANGIANGI INC0.00%Add +9.4%23,088$68K$2.9552w: $28.80 - $133.00; reported $2.95
31OPENOPENDOOR TECHNOLOGIES INC0.00%Reduce -21.2%17,500$54K$3.0952w: $2.85 - $25.32; reported $3.09
33JECJACOBS ENGR GROUP INC-Sold0$0No quoteNo quote
32BABAALIBABA GROUP HLDG LTD-Sold0$0No quoteNo quote