CIK: 0001629996
Total reported value
$89.6M
Reporting period: 2026-06-30 · Number of holdings: 40
Alken Asset Management Ltd disclosed 40 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $89.6M and a quarterly turnover rate of 60.4%.
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Alken Asset Management Ltd's disclosed holdings carry a Herfindahl concentration index of 0.043 — mathematically equivalent to about 23 equally-sized positions, well below its 40 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.86), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
New buy 23248VAD7
New buy 02079K602
New buy WDC 3 11-15-28
Sold out ARES 6.75 10-01-27 B
New buy 18915MAF4
Sold out DUK 4.125 04-15-26
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ✓ | Stock-Other | 8.18% | +8.18% | NEW | ||
| 2 | ✓ | Stock-Other | 7.03% | +7.03% | NEW | ||
| 3 | WDC 3 11-15-28 | Western Digital CORP | Stock-Tech | 6.59% | +6.59% | NEW | |
| 4 | UBER 0.875 12-01-28 2028 | Uber Technologies INC | Stock-Industrials | 6.59% | -2.60% | +16.47% | |
| 5 | CMS 3.375 05-01-28 | Cms Energy CORP | Stock-Utilities | 5.38% | -2.81% | +6.17% | |
| 6 | MTSI 0 12-15-29 | Macom Tech Solutions | Stock-Tech | 5.25% | -0.93% | -15.00% | |
| 7 | IDCC 3.5 06-01-27 | Interdigital INC | Stock-Tech | 4.79% | -1.15% | +37.65% | |
| 8 | SNOW 0 10-01-29 | Snowflake INC | Stock-Tech | 4.03% | -0.46% | — | |
| 9 | MSFT | Microsoft CORP | Stock-Tech | 3.82% | -1.87% | +5.45% | |
| 10 | ✓ | Stock-Other | 3.69% | +3.68% | NEW | ||
| 11 | BABA 0.5 06-01-31 | Alibaba Group Holding | Stock-Consumer Disc | 3.62% | -2.65% | +7.87% | |
| 12 | HALO 1 08-15-28 | Halozyme Therapeutics In | Stock-Healthcare | 3.47% | -1.21% | +4.93% | |
| 13 | NEE 7.375 02-15-29 | Nextera Energy INC | Stock-Utilities | 3.34% | +3.34% | NEW | |
| 14 | IRTC 1.5 09-01-29 | Irhythm Holdings INC | Stock-Healthcare | 3.32% | -0.40% | +42.11% | |
| 15 | DDOG 0 12-01-29 | Datadog INC | Stock-Tech | 2.82% | +2.65% | +1680.00% | |
| 16 | POST 2.5 08-15-27 | Post Holdings INC | Stock-Consumer Staples | 2.81% | -1.60% | +6.58% | |
| 17 | ITRI 1.375 07-15-30 | Itron INC | Stock-Tech | 2.56% | -1.21% | +9.52% | |
| 18 | ALNY 1 09-15-27 | Alnylam Pharmaceuticals | Stock-Healthcare | 2.13% | -0.17% | +60.00% | |
| 19 | GBX 2.875 04-15-28 | Greenbrier Cos INC | Stock-Other | 2.12% | -1.08% | +6.45% | |
| 20 | NTNX 0.25 10-01-27 | Nutanix INC | Stock-Tech | 2.11% | -0.79% | +6.25% | |
| 21 | ORCL 6.5 01-15-29 D | Oracle CORP | Stock-Tech | 2.03% | -0.95% | +9.19% | |
| 22 | ANIP 2.25 09-01-29 | Ani Pharmaceuticals INC | Stock-Other | 2.03% | -0.85% | +7.69% | |
| 23 | ✓ | Stock-Other | 1.96% | +1.96% | NEW | ||
| 24 | APO 6.75 07-31-26 | Apollo Global Management | Stock-Financials | 1.81% | -0.97% | — | |
| 25 | AVAV 0 07-15-30 | Aerovironment INC | Stock-Industrials | 1.56% | -1.06% | — | |
| 26 | KO | Coca-cola Co/the | Stock-Consumer Staples | 1.07% | -0.46% | +4.50% | |
| 27 | MSCI | Msci INC | Stock-Financials | 0.75% | -0.30% | +9.09% | |
| 28 | SNAP 0 05-01-27 | Snap INC | Stock-Comm Services | 0.64% | -0.37% | — | |
| 29 | IAU | Ishares Gold Trust | ETF-Commodities | 0.46% | -0.28% | — | |
| 30 | BILL 0 04-01-27 | Bill Holdings INC | Stock-Tech | 0.43% | -0.25% | — | |
| 31 | SRPT 1.25 09-15-27 | Sarepta Therapeutics INC | Stock-Healthcare | 0.42% | -0.24% | — | |
| 32 | ENPH 0 03-01-28 | Enphase Energy INC | Stock-Tech | 0.42% | -0.22% | — | |
| 33 | ✓ | Stock-Other | 0.41% | +0.41% | NEW | ||
| 34 | UPST 0.25 08-15-26 | Upstart Holdings INC | Stock-Financials | 0.39% | -0.22% | — | |
| 35 | ✓ | Stock-Other | 0.38% | +0.38% | NEW | ||
| 36 | DOCN 0 12-01-26 | Digitalocean Holdings | Stock-Tech | 0.38% | -0.14% | — | |
| 37 | RPD 1.25 03-15-29 | Rapid7 INC | Stock-Other | 0.37% | -0.23% | — | |
| 38 | U 0 11-15-26 | Unity Software INC | Stock-Tech | 0.33% | -0.20% | — | |
| 39 | ETSY 0.125 09-01-27 | Etsy INC | Stock-Consumer Disc | 0.31% | -0.19% | — | |
| 40 | JD 0.25 06-01-29 | Jd.com INC | Stock-Consumer Disc | 0.20% | -0.12% | — |
Performance for Q3 2026
—
Performance Last 4 Quarters
—
Based on 0 months of available history
Based on 3% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-06-30 | 40 | $89.6M | 60 | |
| 2026-03-31 | 35 | $55.5M | 55 | |
| 2025-12-31 | 38 | $61.3M | 27 | |
| 2025-09-30 | 36 | $61.1M | 86 | |
| 2025-06-30 | 36 | $57.0M | 0 | |
| 2025-03-31 | 44 | $61.8M | 100 | |
| 2024-12-31 | 36 | $53.0M | 0 | |
| 2024-09-30 | 34 | $50.0M | 0 | |
| 2024-06-30 | 27 | $43.3M | 0 | |
| 2024-03-31 | 25 | $33.5M | 0 | |
| 2023-12-31 | 26 | $29.7M | 0 | |
| 2023-09-30 | 29 | $23.1K | 0 | |
| 2023-06-30 | 32 | $24.8K | 0 | |
| 2023-03-31 | 24 | $23.7M | 0 | |
| 2022-12-31 | 24 | $23.7M | 0 | |
| 2022-06-30 | 18 | $19.2M | 0 | |
| 2022-03-31 | 25 | $29.9M | 0 | |
| 2021-09-30 | 22 | $15.6M | 0 | |
| 2021-03-31 | 20 | $17.7M | 49 | |
| 2020-12-31 | 25 | $20.8M | 70 | |
| 2020-09-30 | 28 | $26.0M | 82 | |
| 2020-06-30 | 30 | $25.3M | 100 | |
| 2020-03-31 | 30 | $24.0K | 100 | |
| 2019-12-31 | 27 | $58.2K | 43 | |
| 2019-09-30 | 25 | $51.1K | 57 | |
| 2019-06-30 | 16 | $56.4K | 16 | |
| 2019-03-31 | 18 | $53.5K | 19 | |
| 2018-12-31 | 14 | $48.7K | 100 | |
| 2018-09-30 | 1 | $45.0M | 4 | 1039380 |
| 2018-06-30 | 1 | $46.9M | 16 | 1039380 |
| 2018-03-31 | 1 | $54.9M | 5 | 1039380 |
| 2017-12-31 | 12 | $57.8M | 31 | |
| 2017-09-30 | 12 | $44.3M | 60 | |
| 2017-06-30 | 14 | $81.3M | 97 | |
| 2017-03-31 | 3 | $84.1M | 100 | |
| 2016-12-31 | 4 | $129.5M | 100 | |
| 2016-09-30 | 4 | $141.8M | 12 | |
| 2016-06-30 | 4 | $157.8M | 100 | |
| 2016-03-31 | 9 | $774.9M | 46 | |
| 2015-12-31 | 9 | $1.2B | 65 | |
| 2015-09-30 | 6 | $1.8B | 10 | |
| 2015-06-30 | 6 | $1.7B | 22 | |
| 2015-03-31 | 7 | $2.1B | 26 | |
| 2014-12-31 | 8 | $2.8B | 0 |
Alken Asset Management Ltd's most significant position changes for 2026-06-30: New buy: ; New buy: ; New buy: Western Digital CORP (WDC 3 11-15-28); New buy: ; New buy: Nextera Energy INC (NEE 7.375 02-15-29).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ✓ | +8.2% | NEW | New buy | |
| 2 | ✓ | +7% | NEW | New buy | |
| 3 | WDC 3 11-15-28 | Western Digital CORP | +6.6% | NEW | New buy |
| 4 | ✓ | +3.7% | NEW | New buy | |
| 5 | NEE 7.375 02-15-29 | Nextera Energy INC | +3.3% | NEW | New buy |
| 6 | DDOG 0 12-01-29 | Datadog INC | +2.7% | +1680.00% | Add |
| 7 | ✓ | +2% | NEW | New buy | |
| 8 | ✓ | +0.4% | NEW | New buy | |
| 9 | ✓ | +0.4% | NEW | New buy | |
| 10 | JD 0.25 06-01-29 | Jd.com INC | -0.1% | — | Unchanged |
| 11 | DOCN 0 12-01-26 | Digitalocean Holdings | -0.1% | — | Unchanged |
| 12 | ALNY 1 09-15-27 | Alnylam Pharmaceuticals | -0.2% | +60.00% | Add |
| 13 | ETSY 0.125 09-01-27 | Etsy INC | -0.2% | — | Unchanged |
| 14 | U 0 11-15-26 | Unity Software INC | -0.2% | — | Unchanged |
| 15 | ATEC 0.75 03-15-30 | Alphatec Holdings INC | -0.2% | EXIT | Sold out |
| 16 | ENPH 0 03-01-28 | Enphase Energy INC | -0.2% | — | Unchanged |
| 17 | UPST 0.25 08-15-26 | Upstart Holdings INC | -0.2% | — | Unchanged |
| 18 | RPD 1.25 03-15-29 | Rapid7 INC | -0.2% | — | Unchanged |
| 19 | SRPT 1.25 09-15-27 | Sarepta Therapeutics INC | -0.2% | — | Unchanged |
| 20 | BILL 0 04-01-27 | Bill Holdings INC | -0.3% | — | Unchanged |
| 21 | IAU | Ishares Gold Trust | -0.3% | — | Unchanged |
| 22 | MSCI | Msci INC | -0.3% | +9.09% | Add |
| 23 | SNAP 0 05-01-27 | Snap INC | -0.4% | — | Unchanged |
| 24 | IRTC 1.5 09-01-29 | Irhythm Holdings INC | -0.4% | +42.11% | Add |
| 25 | SNOW 0 10-01-29 | Snowflake INC | -0.5% | — | Unchanged |
| 26 | KO | Coca-cola Co/the | -0.5% | +4.50% | Add |
| 27 | NTNX 0.25 10-01-27 | Nutanix INC | -0.8% | +6.25% | Add |
| 28 | ANIP 2.25 09-01-29 | Ani Pharmaceuticals INC | -0.9% | +7.69% | Add |
| 29 | MTSI 0 12-15-29 | Macom Tech Solutions | -0.9% | -15.00% | Trim |
| 30 | ORCL 6.5 01-15-29 D | Oracle CORP | -1% | +9.19% | Add |
| 31 | APO 6.75 07-31-26 | Apollo Global Management | -1% | — | Unchanged |
| 32 | AVAV 0 07-15-30 | Aerovironment INC | -1.1% | — | Unchanged |
| 33 | GBX 2.875 04-15-28 | Greenbrier Cos INC | -1.1% | +6.45% | Add |
| 34 | IDCC 3.5 06-01-27 | Interdigital INC | -1.2% | +37.65% | Add |
| 35 | HALO 1 08-15-28 | Halozyme Therapeutics In | -1.2% | +4.93% | Add |
| 36 | ITRI 1.375 07-15-30 | Itron INC | -1.2% | +9.52% | Add |
| 37 | POST 2.5 08-15-27 | Post Holdings INC | -1.6% | +6.58% | Add |
| 38 | MSFT | Microsoft CORP | -1.9% | +5.45% | Add |
| 39 | UBER 0.875 12-01-28 2028 | Uber Technologies INC | -2.6% | +16.47% | Add |
| 40 | BABA 0.5 06-01-31 | Alibaba Group Holding | -2.7% | +7.87% | Add |
| 41 | CMS 3.375 05-01-28 | Cms Energy CORP | -2.8% | +6.17% | Add |
| 42 | DUK 4.125 04-15-26 | Duke Energy CORP | -3.5% | EXIT | Sold out |
| 43 | ARES 6.75 10-01-27 B | Ares Management CORP | -4.5% | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-06-30 | 2026-07-10 | 13F-HR | View on EDGAR |
| 2026-03-31 | 2026-04-24 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-01-20 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-10-21 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-07-09 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-04-25 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-01-14 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-10-11 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-07-05 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-08 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-01-29 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-10-31 | Amendment | View on EDGAR |
| 2023-09-30 | 2023-10-30 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-09-14 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-16 | Amendment | View on EDGAR |
| 2023-03-31 | 2023-05-10 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-13 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-03 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-10 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-09 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-10 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-04 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-10-28 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-07-27 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-07 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-13 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-12 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-07-09 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-04-29 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-11 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-10-30 | Amendment | View on EDGAR |
| 2018-09-30 | 2018-10-25 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-07-10 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-14 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-12 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-11-13 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-08-11 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-05-12 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-02-09 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-11-14 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-07-28 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-05-11 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-02-16 | Amendment | View on EDGAR |
| 2015-12-31 | 2016-02-12 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-10-16 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-07-06 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-04-16 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-01-07 | 13F-HR | View on EDGAR |
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