Grafton Street Partners Management Company, LLC — 13F Holdings & Portfolio

CIK 1923769 · latest 13F-HR filed 2026-08-14

Grafton Street Partners Management Company, LLC manages $181.1M in 13F-reported U.S. long-equity assets across 10 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are TSM (18.17%), GOOGL (18.06%), TPG (14.68%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 1, added to 8, and trimmed 1.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
11838 LOST TREE WAY
NORTH PALM BEACH, FL 33408
Phone
(312) 479-2014
Filing Manager
Grafton Street Partners Management Company, LLC
NORTH PALM BEACH, FL
Signatory
JAMES ZENKER
CHIEF COMPLIANCE OFFICER
Loading holdings…
AUM

$181.1M

Long-equity book

Holdings

10

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+0 / −1 / ↑8 / ↓1

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • TAIWAN SEMICONDUCTOR MANUFAC$7.5M +29.6%
  • ALPHABET INC$3.4M +11.6%
  • TPG INC$3.0M +12.7%
  • SEA LTD$2.4M +45.7%
  • ELEVANCE HEALTH INC FORMERLY$2.1M +14.9%
Show all 8 →

Top Trims

  • SERVICENOW INC-$1.0M -5.0%
Show all 1 →

New Positions

  • No new positions this quarter.
Show all 0 →

Exited Positions

  • FIRSTSERVICE CORP NEW$7.1M
Show all 1 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $32.9M 18.17% 68,899 SH
2 ALPHABET INC GOOGL 02079K305 $32.7M 18.06% 91,537 SH
3 TPG INC TPG 872657101 $26.6M 14.68% 655,838 SH
4 SERVICENOW INC NOW 81762P102 $19.6M 10.84% 197,676 SH
5 MICROSOFT CORP MSFT 594918104 $17.4M 9.59% 46,568 SH
6 ELEVANCE HEALTH INC FORMERLY ELV 036752103 $16.1M 8.90% 41,691 SH
7 ATLASSIAN CORPORATION TEAM 049468101 $13.6M 7.49% 174,483 SH
8 VISA INC V 92826C839 $9.2M 5.07% 26,762 SH
9 SEA LTD SE 81141R100 $7.7M 4.26% 80,547 SH
10 MASTERCARD INCORPORATED MA 57636Q104 $5.3M 2.94% 10,365 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $181.1M 10 0001892688-26-000116
2026-03-31 2026-05-15 $167.3M 11 0001892688-26-000073
2025-12-31 2026-02-17 $204.2M 12 0001892688-26-000037