Seilern Investment Management Ltd
CIK 1817797 · View on SEC EDGAR ↗
- Portfolio value
- $793.8M
- Positions
- 24
- As of
- June 30, 2026
Portfolio value QoQ: -5.3% 13F does not disclose cash
- Top 10 holdings weight
- 69.21%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 17
- Effective number of positions
- 15.8
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 7.45% Est. buys $60,782,759 · sells $143,798,218
Median holding: 7.0 quarters Tracked Q4 2024–Q2 2026 · 96.0% still held
- New positions
- 0
- Increased
- 8
- Decreased
- 16
- Closed
- 1
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: -4.8% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 100.0% · Options excluded: 0.0%
Sector breakdown
Full portfolio 24 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| MA Mastercard Incorporated Common Stock | $87,008,976 | 10.96% | 169,410 | $-1,913,016 | Down ×6 | ||
| UNH UnitedHealth Group Incorporated Common Stock (DE) | $66,510,359 | 8.38% | 160,023 | $-9,557,631 | Down ×4 | ||
| VEEV Veeva Systems Inc. Class A Common Stock | $56,263,669 | 7.09% | 317,032 | $698,019 | Up ×3 | ||
| EW Edwards Lifesciences Corporation Common Stock | $54,296,896 | 6.84% | 600,231 | $-973,599 | Down ×6 | ||
| IDXX IDEXX Laboratories, Inc. - Common Stock | $51,359,486 | 6.47% | 97,560 | $5,941,355 | Up ×1 | ||
| TYL Tyler Technologies, Inc. Common Stock | $50,645,883 | 6.38% | 173,172 | $-11,755,611 | Down ×1 | ||
| WST West Pharmaceutical Services, Inc. Common Stock | $49,624,570 | 6.25% | 138,230 | $-7,025,333 | Down ×6 | ||
| ISRG Intuitive Surgical, Inc. - Common Stock | $46,009,588 | 5.80% | 115,695 | $667,534 | Up ×1 | ||
| ADSK Autodesk, Inc. - Common Stock | $44,264,574 | 5.58% | 227,675 | $-4,843,069 | Up ×1 | ||
| GOOGL Alphabet Inc. - Class A Common Stock | $43,394,010 | 5.47% | 121,426 | $-9,944,344 | Down ×6 | ||
| MSFT Microsoft Corporation - Common Stock | $42,944,674 | 5.41% | 115,127 | $-5,852,986 | Down ×6 | ||
| CDNS Cadence Design Systems, Inc. - Common Stock | $42,906,958 | 5.41% | 114,321 | $2,429,079 | Down ×2 | ||
| ADBE Adobe Inc. - Common Stock | $36,882,278 | 4.65% | 179,896 | $-6,147,744 | Up ×1 | ||
| ZTS Zoetis Inc. Class A Common Stock | $33,056,031 | 4.16% | 460,006 | $-4,626,125 | Up ×1 | ||
| CPRT Copart, Inc. - Common Stock | $29,675,528 | 3.74% | 1,052,697 | $27,389,575 | Up ×1 | ||
| MTD Mettler-Toledo International, Inc. Common Stock | $26,900,528 | 3.39% | 21,057 | $-1,519,353 | Down ×6 | ||
| ACN Accenture plc Class A Ordinary Shares (Ireland) | $20,363,610 | 2.57% | 163,642 | $-13,937,586 | Down ×2 | ||
| BKNG Booking Holdings Inc. - Common Stock | $2,202,690 | 0.28% | 12,358 | $-243,506 | Up ×1 | ||
| TW Tradeweb Markets Inc. - Class A Common Stock | $1,942,174 | 0.24% | 19,488 | $-671,996 | Down ×2 | ||
| V Visa Inc. | $1,928,509 | 0.24% | 5,621 | $176,726 | Down ×3 | ||
| ADP Automatic Data Processing, Inc. - Common Stock | $1,882,972 | 0.24% | 8,408 | $-306,496 | Down ×3 | ||
| MCO Moody's Corporation Common Stock | $1,644,100 | 0.21% | 3,630 | $-420,235 | Down ×6 | ||
| GGG Graco Inc. Common Stock | $1,269,341 | 0.16% | 16,788 | $-955,007 | Down ×3 | ||
| CME CME Group Inc. - Class A Common Stock | $839,154 | 0.11% | 3,800 | $-1,278,506 | Down ×3 | ||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
| Security | Value | % of portfolio | Streak |
|---|---|---|---|
| VEEV | $56,263,669 | 7.09% | up ×3 |
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| ACN | Trimmed | -9K | -$13.9M |
| TYL | Trimmed | -9K | -$11.8M |
| GOOGL | Trimmed | -64K | -$9.9M |
| UNH | Trimmed | -121K | -$9.6M |
| WST | Trimmed | -88K | -$7.0M |
| ADBE | Bought more | +3K | -$6.1M |
| IDXX | Bought more | +17K | +$5.9M |
| MSFT | Trimmed | -17K | -$5.9M |
| ADSK | Bought more | +23K | -$4.8M |
| ZTS | Bought more | +141K | -$4.6M |
1 position hidden (data completeness check)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| NKE | June 30, 2025 | 1,152,119 | $73,136,514 | -42.9% |