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MM

Mason Morfit

ValueAct Capital·activist·Concentrated / activist
Accredited only

n/a since 2000

Portfolio value

$5.7B

Positions

18

Top 5 concentration

51%

New buys this quarter

3

Quarterly activity

What Mason Morfit bought and sold each quarter.

Mar 2026vs Dec 2025

Bought (5)

$KKRNew buy5.3%$SPOTNew buy3%$WIXNew buy1.6%$VAdded+34.8%$TOSTAdded+60.9%

Sold (8)

$NSITSold out$DISTrimmed-87%$RKTTrimmed-28.4%$MDBTrimmed-26.2%$LYVTrimmed-24.1%$BLKTrimmed-21.4%$AMZNTrimmed-15%$METATrimmed-12.6%
Dec 2025vs Sep 2025

Bought (8)

$BLKNew buy10.6%$RKTAdded+55.1%$METAAdded+36.3%$VAdded+9.7%$RBLXAdded+39.5%$TOSTAdded+135.9%$SSDAdded+21.9%$LYVAdded+28.4%

Sold (4)

$COOPSold out$NSITTrimmed-46.4%$MDBTrimmed-33.6%$DISTrimmed-29.9%
Sep 2025vs Jun 2025

Bought (5)

$TOSTNew buy2.1%$METAAdded+23.3%$VAdded+25.8%$RKTAdded+67.9%$MDBAdded+206.8%

Sold (11)

$EXPESold out$RDFNSold out$CCCSSold out$CBRETrimmed-60.2%$LYVTrimmed-27.6%$NSITTrimmed-20.6%$SSDTrimmed-14.1%$DISTrimmed-13.7%$LLYVKTrimmed-11.9%$AMZNTrimmed-9.6%$RBLXTrimmed-9.5%
Jun 2025vs Mar 2025

Bought (9)

$SSDNew buy3.9%$MDBNew buy2.6%$COOPNew buy2.4%$CBRENew buy1.5%$RDFNNew buy1.2%$CCCSNew buy0.5%$AMZNAdded+587.7%$RKTAdded+124.8%$LLYVAAdded+6.9%

Sold (8)

$TOSTSold out$NUSold out$EXPETrimmed-75.1%$RBLXTrimmed-46%$METATrimmed-38.6%$NSITTrimmed-29.5%$DISTrimmed-22.5%$VTrimmed-5.2%
Mar 2025vs Dec 2024

Bought (6)

$RKTNew buy1.8%$NUNew buy0.8%$METAAdded+379.8%$VAdded+251.4%$LLYVKAdded+23.2%$LLYVAAdded+30.8%

Sold (4)

$TOSTTrimmed-69.6%$EXPETrimmed-44.6%$LYVTrimmed-16.6%$RBLXTrimmed-13.5%
Dec 2024vs Sep 2024

Bought (2)

$AMZNNew buy2.7%$LLYVKAdded+18.5%

Sold (10)

$CRMTrimmed-63%$EXPETrimmed-61.3%$DISTrimmed-56%$RBLXTrimmed-50%$NSITTrimmed-50%$METATrimmed-50%$VTrimmed-50%$LYVTrimmed-47.7%$TOSTTrimmed-44.8%$LLYVATrimmed-5.6%
Sep 2024vs Jun 2024

Bought (11)

$TOSTNew buy5.3%$METANew buy2.9%$LYVNew buy2.7%$VNew buy2.5%$LLYVKNew buy1.7%$LLYVANew buy0.8%$CRMAdded+100%$NSITAdded+100%$DISAdded+143.4%$RBLXAdded+781.4%$EXPEAdded+52.7%

Sold (5)

$FLUTSold out$NYTSold out$KKRSold out$FISold out$SPOTSold out
Jun 2024vs Mar 2024

Bought (2)

$CRMAdded+12.3%$DISAdded+13.2%

Sold (8)

$ILMNSold out$CBRESold out$FITrimmed-69.8%$KKRTrimmed-36.6%$NYTTrimmed-35.8%$FLUTTrimmed-34.7%$SPOTTrimmed-17.5%$NSITTrimmed-10%

Quarter-over-quarter change in disclosed positions.

Holdings

StockMove% of portfolioSince report

VISA INC

Added
12.3%
+15.2%

AMAZON COM INC

Trimmed
10.5%
+18.6%

SALESFORCE INC

Held
9.8%
-12.9%

BLACKROCK INC

Trimmed
9.2%
+6%

META PLATFORMS INC

Trimmed
9.2%
+10.4%

ROCKET COS INC

Trimmed
7%
+2.2%

TOAST INC

Added
6%
+8.8%

LIBERTY LIVE HOLDINGS INC

Held
5.9%
+12%

ROBLOX CORP

Held
5.8%
-0.2%

KKR & CO INC

New buy
5.3%
+4.1%

MONGODB INC

Trimmed
4.4%
+48.2%

SIMPSON MFG INC

Held
4.2%
+9.9%

SPOTIFY TECHNOLOGY S A

New buy
3%
+0.2%

LIBERTY LIVE HOLDINGS INC

Held
2.9%
+11.3%

LIVE NATION ENTERTAINMENT IN

Trimmed
1.7%
+19.7%

WIX COM LTD

New buy
1.6%
-42.5%

DISNEY WALT CO

Trimmed
0.7%
-0.2%

CBRE GROUP INC

Held
0.6%
+4.1%

Notable sell-outs this quarter: $NSIT

Source: SEC 13F via FMP · Mar 2026 report · 45-day filing delay. Long equity positions only. Not financial advice.