AI Portfolio Summary
In 2025 Q4, Ruane, Cunniff & Goldfarb L.P. maintained a portfolio of 51 distinct positions. The most significant new addition to the portfolio was ACCENTURE PLC IRELAN, which now represents 3.95% of the total fund value. They heavily accumulated shares in MSA SAFETY INC, increasing their position by 6.2%. Conversely, Ruane, Cunniff & Goldfarb L.P. completely exited their position in ATAI LIFE SCIENCES N.
Total Positions
51
Quarter
2025 Q4
Top Holding
GOOGL (10.6%)
Top 10 Concentration
71.9%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 51
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GOOGL
ALPHABET INC
|
Communication Services | 10.63% | 9.49% |
#1
2
Prev: #3
|
4.3 | -181,898 | -7.7% |
P
S
|
2,174,821 | $680,718,973 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SCHW
SCHWAB CHARLES ...
|
Financial Services | 8.73% | 9.99% |
#2
1
Prev: #1
|
3.5 | -720,613 | -11.4% |
P
S
|
5,594,948 | $558,991,255 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FWONK
LIBERTY MEDIA C...
|
Communication Services | 8.45% | 9.64% |
#3
1
Prev: #2
|
3.4 | -77,871 | -1.4% |
P
S
|
5,491,118 | $540,930,034 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
COF
CAPITAL ONE FIN...
|
Financial Services | 7.83% | 7.39% |
#4
3
Prev: #7
|
3.1 | -30,101 | -1.4% |
P
S
|
2,068,023 | $501,206,054 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ELV
ELEVANCE HEALTH...
|
Healthcare | 7.79% | 7.75% |
#5
Prev: #5
|
3.1 | -25,777 | -1.8% |
P
S
|
1,422,506 | $498,659,478 | 2021 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ICE
INTERCONTINENTA...
|
Financial Services | 6.84% | 7.66% |
#6
Prev: #6
|
2.7 | -39,384 | -1.4% |
P
S
|
2,703,907 | $437,924,778 | 2020 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSM
TAIWAN SEMICOND...
|
Technology | 6.75% | 8.71% |
#7
3
Prev: #4
|
2.8 | -460,000 | -24.4% |
P
S
|
1,421,721 | $432,046,795 | 2019 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOG
ALPHABET INC
|
Communication Services | 5.60% | 5.06% |
#8
Prev: #8
|
2.3 | -112,218 | -8.9% |
P
S
|
1,142,353 | $358,470,368 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ICLR
ICON PLC
|
Healthcare | 4.78% | 4.93% |
#9
Prev: #9
|
1.9 | -21,404 | -1.3% |
P
S
|
1,679,590 | $306,054,890 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSA
MSA SAFETY INC
|
Industrials | 4.53% | 4.86% |
#10
Prev: #10
|
3.8 | 106,349 | 6.2% |
P
S
|
1,811,635 | $290,115,229 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ACN
ACCENTURE PLC I...
|
Technology | 3.95% | — |
#11
Prev: #—
|
3.6 | 943,420 | no change |
NEW
|
943,420 | $253,119,586 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
UNH
UNITEDHEALTH GR...
|
Healthcare | 3.85% | 4.34% |
#12
Prev: #12
|
1.5 | -12,224 | -1.6% |
P
S
|
745,999 | $246,261,730 | 2019 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CACC
CREDIT ACCEP CO...
|
Financial Services | 3.71% | 4.48% |
#13
2
Prev: #11
|
1.5 | -42,327 | -7.3% |
P
S
|
536,132 | $237,753,097 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ALGN
ALIGN TECHNOLOG...
|
Healthcare | 2.98% | — |
#14
Prev: #—
|
3.2 | 1,222,534 | no change |
NEW
|
1,222,534 | $190,898,684 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BRK/B
BERKSHIRE HATHA...
|
Financial Services | 2.48% | 2.69% |
#15
1
Prev: #14
|
1.0 | -6,446 | -2.0% |
P
S
|
316,106 | $158,890,681 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
META
META PLATFORMS ...
|
Communication Services | 2.46% | 2.97% |
#16
3
Prev: #13
|
1.0 | -5,003 | -2.1% |
P
S
|
239,018 | $157,773,392 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LBRDK
LIBERTY BROADBA...
|
Communication Services | 1.40% | 1.97% |
#17
2
Prev: #15
|
0.6 | -32,613 | -1.7% |
P
S
|
1,841,624 | $89,502,926 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BRK/A
BERKSHIRE HATHA...
|
Financial Services | 1.36% | 1.46% |
#18
1
Prev: #17
|
0.5 | -2 | -1.7% |
P
S
|
115 | $86,802,000 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TECH
BIO-TECHNE CORP
|
Healthcare | 1.35% | 1.36% |
#19
1
Prev: #18
|
0.5 | -7,820 | -0.5% |
P
S
|
1,465,935 | $86,211,637 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CHTR
CHARTER COMMUNI...
|
Communication Services | 1.18% | 1.70% |
#20
4
Prev: #16
|
0.5 | -11,432 | -3.1% |
P
S
|
362,000 | $75,567,500 | 2024 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMTM
AMENTUM HOLDING...
|
Industrials | 1.08% | 0.96% |
#21
1
Prev: #20
|
0.4 | -29,619 | -1.2% |
P
S
|
2,394,129 | $69,429,741 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FWONA
LIBERTY MEDIA C...
|
Communication Services | 1.03% | 1.17% |
#22
3
Prev: #19
|
0.4 | -3,430 | -0.5% |
P
S
|
738,880 | $66,041,094 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LBRDA
LIBERTY BROADBA...
|
Communication Services | 0.49% | 0.70% |
#23
2
Prev: #21
|
0.2 | -16,380 | -2.4% |
P
S
|
652,780 | $31,516,218 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GLIBK
GCI LIBERTY INC
|
Communication Services | 0.31% | 0.23% |
#24
2
Prev: #22
|
2.3 | 164,401 | 43.9% |
P
S
|
539,071 | $20,058,832 | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SAP
SAP SE
|
Technology | 0.17% | 0.20% |
#25
2
Prev: #23
|
0.1 | -73 | -0.2% |
P
S
|
45,927 | $11,156,128 | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ATAI
ATAI LIFE SCIEN...
|
Healthcare | 0.00% | 0.00% |
Sold All 😨
(Was: #43) |
0.3 | -42,112 | -100.0% |
CLOSED
|
— | $— | 2023 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BLK
BLACKROCK INC
|
Financial Services | 0.00% | 0.00% |
Sold All 😨
(Was: #44) |
0.3 | -186 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KMX
CARMAX INC
|
Consumer Cyclical | 0.00% | 0.00% |
Sold All 😨
(Was: #46) |
0.3 | -4,469 | -100.0% |
CLOSED
|
— | $— | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-25 of 51 holdings