Activity

Meaningful New / Add / Reduce / Exit moves from each manager’s latest two report periods (top changes across recently active managers). Add/Reduce shown when share change is ≥ 5.0% or portfolio weight moves ≥ 0.25 pp.

Manager Period Action Issuer Δ Shares Δ Shares % Δ Port % Filed
FARALLON CAPITAL MANAGEMENT LLC 2026 Q1 vs 2025 Q4 Exit ISHARES TR put -8,000,000 Exit -3.04 pp 5/15/2026
ICAHN CARL C 2026 Q1 vs 2025 Q4 Add CVR Energy Inc +783,404 +1.1% +6.80 pp 5/15/2026
ICAHN CARL C 2026 Q1 vs 2025 Q4 Exit Southwest Gas Holdings Inc. -6,032,604 Exit -5.72 pp 5/15/2026
Fundsmith LLP 2026 Q1 vs 2025 Q4 Reduce IDEXX LABS INC -410,249 -21.9% -0.99 pp 5/15/2026
Fundsmith LLP 2026 Q1 vs 2025 Q4 Exit INTUIT -625,619 Exit -2.42 pp 5/15/2026
Durable Capital Partners LP 2026 Q1 vs 2025 Q4 Reduce COLLIERS INTL GROUP INC -2,540,921 -75.4% -3.78 pp 5/15/2026
Fundsmith LLP 2026 Q1 vs 2025 Q4 Reduce WATERS CORP -345,903 -9.7% -0.44 pp 5/15/2026
Fundsmith LLP 2026 Q1 vs 2025 Q4 Exit NIKE INC -5,770,181 Exit -2.15 pp 5/15/2026
Durable Capital Partners LP 2026 Q1 vs 2025 Q4 Add QNITY ELECTRONICS INC +2,287,247 +81.7% +3.88 pp 5/15/2026
Ruane, Cunniff & Goldfarb L.P. 2026 Q1 vs 2025 Q4 New SUNBELT RENTALS HOLDINGS INC +5,488,261 New +5.93 pp 5/15/2026
Durable Capital Partners LP 2026 Q1 vs 2025 Q4 Reduce COUPANG INC -11,586,179 -47.4% -2.96 pp 5/15/2026
Brave Warrior Advisors, LLC 2026 Q1 vs 2025 Q4 New ICON PLC +2,996,811 New +8.21 pp 5/15/2026
ALTAROCK PARTNERS LP 2026 Q1 vs 2025 Q4 Reduce MICROSOFT CORP -214,820 -10.3% -2.99 pp 5/15/2026
Fundsmith LLP 2026 Q1 vs 2025 Q4 Reduce VISA INC -430,594 -12.2% +0.07 pp 5/15/2026
JANA Partners Management, LP 2026 Q1 vs 2026 Q1 New MERCURY SYS INC +4,107,424 New +18.65 pp 5/15/2026
Ruane, Cunniff & Goldfarb L.P. 2026 Q1 vs 2025 Q4 New ZOETIS INC +2,425,010 New +4.76 pp 5/15/2026
JANA Partners Management, LP 2026 Q1 vs 2026 Q1 New COOPER COS INC +3,565,158 New +15.87 pp 5/15/2026
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN 2026 Q1 vs 2025 Q4 Exit OCCIDENTAL PETROLEUM CORP -6,050,418 Exit -11.94 pp 5/15/2026
JANA Partners Management, LP 2026 Q1 vs 2026 Q1 New FISERV INC +4,435,605 New +15.41 pp 5/15/2026
ALTAROCK PARTNERS LP 2026 Q1 vs 2025 Q4 Reduce TRANSDIGM GROUP INC -60,232 -6.2% +0.26 pp 5/15/2026
Durable Capital Partners LP 2026 Q1 vs 2025 Q4 Add ISHARES TR +930,838 +961.8% +2.40 pp 5/15/2026
JANA Partners Management, LP 2026 Q1 vs 2026 Q1 New STATE STR SPDR S&P 500 ETF T +343,665 New +13.92 pp 5/15/2026
Durable Capital Partners LP 2026 Q1 vs 2025 Q4 Reduce SHOPIFY INC -1,071,405 -52.4% -1.93 pp 5/15/2026
JANA Partners Management, LP 2026 Q1 vs 2026 Q1 New LAMB WESTON HLDGS INC +5,008,635 New +13.18 pp 5/15/2026
ICAHN CARL C 2026 Q1 vs 2025 Q4 Reduce EchoStar Corporation -1,950,000 -58.1% -2.40 pp 5/15/2026
Ruane, Cunniff & Goldfarb L.P. 2026 Q1 vs 2025 Q4 Reduce CREDIT ACCEP CORP MICH -389,929 -72.7% -2.69 pp 5/15/2026
ALTAROCK PARTNERS LP 2026 Q1 vs 2025 Q4 Reduce HILTON WORLDWIDE -527,272 -97.2% -2.94 pp 5/15/2026
Dorsey Asset Management, LLC 2026 Q1 vs 2025 Q4 New SUNBELT RENTALS HOLDINGS INC +2,204,996 New +11.43 pp 5/15/2026
Ruane, Cunniff & Goldfarb L.P. 2026 Q1 vs 2025 Q4 Reduce CAPITAL ONE FINL CORP -50,216 -2.4% -1.72 pp 5/15/2026
Dorsey Asset Management, LLC 2026 Q1 vs 2025 Q4 New APPLOVIN CORP +316,952 New +10.04 pp 5/15/2026
Ruane, Cunniff & Goldfarb L.P. 2026 Q1 vs 2025 Q4 Reduce ICON PLC -44,979 -2.7% -1.78 pp 5/15/2026
ABRAMS BISON INVESTMENTS, LLC 2026 Q1 vs 2025 Q4 New BRIGHT HORIZONS FAM SOL IN D +1,413,000 New +5.02 pp 5/15/2026
ALTAROCK PARTNERS LP 2026 Q1 vs 2025 Q4 Add AMAZON.COM INC +253,412 +3.5% +5.09 pp 5/15/2026
Brave Warrior Advisors, LLC 2026 Q1 vs 2025 Q4 Reduce ONEMAIN HLDGS INC -35,986 -0.5% -2.05 pp 5/15/2026
Brave Warrior Advisors, LLC 2026 Q1 vs 2025 Q4 Reduce ELEVANCE HEALTH INC FORMERLY -129,495 -10.3% -2.15 pp 5/15/2026
COOPERMAN LEON G 2026 Q1 vs 2025 Q4 Exit REGAL REXNORD CORP -690,000 Exit -3.21 pp 5/15/2026
Dorsey Asset Management, LLC 2026 Q1 vs 2025 Q4 New S&P GLOBAL INC +222,683 New +7.54 pp 5/15/2026
Dorsey Asset Management, LLC 2026 Q1 vs 2025 Q4 Exit AUTOZONE INC -25,121 Exit -7.41 pp 5/15/2026
Giverny Capital Inc. 2026 Q1 vs 2025 Q4 New AUTOMATIC DATA PROC INC +419,090 New +3.12 pp 5/15/2026
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN 2026 Q1 vs 2025 Q4 Add UNDER ARMOUR INC +12,541,773 +132.6% +4.36 pp 5/15/2026

Activity is derived from processed Form 13F aggregate holdings. Values and portfolio weights use as-filed data ($000). Open a period link for the full side-by-side comparison.