Institutional Manager · CIK 0001720792
Ruane, Cunniff & Goldfarb L.P.
New York, NY · File #028-18764
Latest AUM
$6.40B
Positions
48
Top-10 Concentration
71.9%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | ACCENTURE PLC IRELAND | ACN | +943,420 | +$253.1M | $0 |
| NEW | ALIGN TECHNOLOGY INC | ALGN | +1,222,534 | +$190.9M | $0 |
| REDUCE | TAIWAN SEMICONDUCTOR MFG LTD | 874039100 | -460,000 | -$139.8M | +$46.3M |
| REDUCE | SCHWAB CHARLES CORP | SCHW-PJ | -720,613 | -$72.0M | +$28.0M |
| REDUCE | ALPHABET INC | GOOG | -181,898 | -$56.9M | +$164.7M |
| REDUCE | ALPHABET INC | GOOG | -112,218 | -$35.2M | +$88.1M |
| REDUCE | CREDIT ACCEP CORP MICH | 225310101 | -42,327 | -$18.8M | -$13.6M |
| ADD | MSA SAFETY INC | MNESP | +106,349 | +$17.0M | -$20.3M |
| REDUCE | ELEVANCE HEALTH INC FORMERLY | ELV | -25,777 | -$9.0M | +$39.7M |
| REDUCE | LIBERTY MEDIA CORP DEL | FWONB | -77,871 | -$7.7M | -$33.1M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202548 pos · $6.40B
- 13F HOLDINGS REPORTQ/E Sep 202547 pos · $6.04B
- 13F HOLDINGS REPORTQ/E Jun 202543 pos · $5.83B
- 13F HOLDINGS REPORTQ/E Mar 202538 pos · $5.51B
- 13F HOLDINGS REPORTQ/E Dec 202439 pos · $5.89B
- 13F HOLDINGS REPORTQ/E Sep 202437 pos · $6.39B
- 13F HOLDINGS REPORTQ/E Jun 202437 pos · $6.42B
- 13F HOLDINGS REPORTQ/E Mar 202434 pos · $6.44B
- 13F HOLDINGS REPORTQ/E Dec 202336 pos · $6.02B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ALPHABET INC | GOOG | 2,174,821 | $680.7M | 10.63% |
| 2 | SCHWAB CHARLES CORP | SCHW-PJ | 5,594,948 | $559.0M | 8.73% |
| 3 | LIBERTY MEDIA CORP DEL | FWONB | 5,491,118 | $540.9M | 8.45% |
| 4 | CAPITAL ONE FINL CORP | 14040H105 | 2,068,023 | $501.2M | 7.83% |
| 5 | ELEVANCE HEALTH INC FORMERLY | ELV | 1,422,506 | $498.7M | 7.79% |
| 6 | INTERCONTINENTAL EXCHANGE IN | 45866F104 | 2,703,907 | $437.9M | 6.84% |
| 7 | TAIWAN SEMICONDUCTOR MFG LTD | 874039100 | 1,421,721 | $432.0M | 6.75% |
| 8 | ALPHABET INC | GOOG | 1,142,353 | $358.5M | 5.60% |
| 9 | ICON PLC | ICLR | 1,679,590 | $306.1M | 4.78% |
| 10 | MSA SAFETY INC | MNESP | 1,811,635 | $290.1M | 4.53% |
| 11 | ACCENTURE PLC IRELAND | ACN | 943,420 | $253.1M | 3.95% |
| 12 | UNITEDHEALTH GROUP INC | UNH | 745,999 | $246.3M | 3.85% |
| 13 | CREDIT ACCEP CORP MICH | 225310101 | 536,132 | $237.8M | 3.71% |
| 14 | ALIGN TECHNOLOGY INC | ALGN | 1,222,534 | $190.9M | 2.98% |
| 15 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 316,106 | $158.9M | 2.48% |
| 16 | META PLATFORMS INC | META | 239,018 | $157.8M | 2.46% |
| 17 | LIBERTY BROADBAND CORP | LBRDP | 1,841,624 | $89.5M | 1.40% |
| 18 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 115 | $86.8M | 1.36% |
| 19 | BIO-TECHNE CORP | TECH | 1,465,935 | $86.2M | 1.35% |
| 20 | CHARTER COMMUNICATIONS INC N | 16119P108 | 362,000 | $75.6M | 1.18% |