Managers / Q4 2018 · view latest →
Selkirk Management LLC
CIK 0001565432 · ONE MAIN STREET, SUITE 202, CHATHAM, NJ, 07928 · 973-701-6175
Summary
Selkirk Management LLC reported $148M in U.S.-listed holdings across 19 positions for Q4 2018.
Its largest position, AMZN, represents 14.7% of the portfolio.
Portfolio Metrics
Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.
Reported Value by Quarter
Portfolio Composition
- Common Stock · 57.2% · $84M
- Other · 29.3% · $43M
- ADR · 8.2% · $12M
- REIT · 5.3% · $8M
Quarter-over-Quarter Changes full breakdown →
| Issuer | Move | Share Δ | Shares now | Value Δ | Value now |
|---|---|---|---|---|---|
| AMZNAMAZON.COM INC CMN | NEW | +14.4K | 14.4K | +$22M | $22M |
| CELGCELGENE CORPORATION CMN | NEW | +248.3K | 248.3K | +$16M | $16M |
| CHARTER COMMUNICATION | NEW | +32.5K | 32.5K | +$9M | $9M |
| BABAALIBABA GROUP HOLDINGS ADR | NEW | +67.2K | 67.2K | +$9M | $9M |
| CHGGCHEGG INC | NEW | +323.0K | 323.0K | +$9M | $9M |
| BKNGBOOKING HOLDINGS INC | NEW | +5.0K | 5.0K | +$9M | $9M |
| GRUBHUB INC. | NEW | +109.5K | 109.5K | +$8M | $8M |
| AMTAMERICAN TOWER CORPORATION CMN | NEW | +49.1K | 49.1K | +$8M | $8M |
Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.
Holdings — Q4 2018
| # | Issuer | Class | % Portfolio | Value ↓ | Shares |
|---|---|---|---|---|---|
| 1 | AMZNAMAZON.COM INC CMNhistory → | COM | 14.65% | $22M | 14.4K |
| 2 | CELGCELGENE CORPORATION CMNhistory → | COM | 10.77% | $16M | 248.3K |
| 3 | ZZILLOW GROUP INC - CLASS C | COM | 7.77% | $11M | 364.0K |
| 4 | CHARTER COMMUNICATION | COM | 6.27% | $9M | 32.5K |
| 5 | BABAALIBABA GROUP HOLDINGS ADRhistory → | SPONSORED ADR | 6.23% | $9M | 67.2K |
| 6 | CHGGCHEGG INChistory → | COM | 6.21% | $9M | 323.0K |
| 7 | BKNGBOOKING HOLDINGS INChistory → | COM | 5.83% | $9M | 5.0K |
| 8 | GRUBHUB INC. | COM | 5.69% | $8M | 109.5K |
| 9 | AMTAMERICAN TOWER CORPORATION CMNhistory → | COM | 5.26% | $8M | 49.1K |
| 10 | ALPHABET INC CLASS A | COM | 4.74% | $7M | 6.7K |
| 11 | EQUINIX INC CMN | COM | 4.68% | $7M | 19.6K |
| 12 | METAFACEBOOK, INC.history → | COM | 3.99% | $6M | 45.0K |
| 13 | VVISA INC. CMN CLASS Ahistory → | COM | 3.57% | $5M | 40.0K |
| 14 | ACCERLERATE DIAGNOSTICS, INC | COM | 2.71% | $4M | 348.8K |
| 15 | AYAEURSTARS GROUP INChistory → | COM | 2.50% | $4M | 224.0K |
| 16 | JDJD.COM, INC.history → | COM | 2.00% | $3M | 141.5K |
| 17 | CVNACARVANA COhistory → | COM | 1.88% | $3M | 85.0K |
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $294M | 11 | May 14, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $378M | 12 | Feb 17, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $365M | 12 | Nov 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $338M | 14 | Aug 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $261M | 14 | May 15, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $279M | 16 | Feb 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $245M | 17 | Nov 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $213M | 16 | Aug 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $195M | 15 | May 15, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $148M | 14 | Feb 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $134M | 16 | Nov 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $128M | 16 | Aug 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $85M | 13 | May 15, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $74M | 12 | Feb 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $84M | 14 | Nov 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $85M | 13 | Aug 15, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $158M | 13 | May 13, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $187M | 13 | Feb 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $246M | 17 | Nov 15, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $275M | 17 | Aug 16, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $336M | 21 | May 17, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $309M | 23 | Feb 16, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $315M | 22 | Nov 16, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $233M | 21 | Aug 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $177M | 21 | May 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019REVEALED | $367M | 37 | Feb 11, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $177M | 18 | Nov 12, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $186M | 18 | Aug 13, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $176M | 18 | May 15, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $148M | 19 | Feb 14, 2019 | 13F-HR | changes · EDGAR ↗ |
Other Included Managers
This filing reports holdings on behalf of 1 additional manager.
- Selkirk Partners, LP028-15564
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.