Alken Asset Management Ltd — 13F Holdings & Portfolio
CIK 1629996 · latest 13F-HR filed 2026-10-20
Alken Asset Management Ltd manages $78.5M in 13F-reported U.S. long-equity assets across 30 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are GOOGN (7.71%), UBER (7.19%), CYBR (7.11%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 1 new position and exited 11; 10 existing positions rose in reported value and 7 fell.
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.
Long-equity book
Distinct positions
Filed 2026-10-20
vs 2026-06-30
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q3 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q2 26 → Q3 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 57.5%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Jul 2, 2013.
LONDON W1S 2GB
United Kingdom
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| DELAUNE, ARNAUD, GEORGES Control | CHIEF COMPLIANCE OFFICER since Jun 2010 | Less than 5% | Individual |
| TSATSARIS, ALEXIS, GEORGES Control | CHIEF FINANCIAL OFFICER, CHIEF OPERATIONS OFFICER AND CHIEF LEGAL OFFICER since Apr 2010 | Less than 5% | Individual |
| WALEWSKI LIMITED Control | LIMITED PARTNER since Aug 2006 | 75% or more | Foreign Entity |
| WALEWSKI, NICOLAS, RENE Control | GENERAL PARTNER AND CHIEF EXECUTIVE OFFICER since Jan 2006 | Less than 5% | Individual |
| ALKEN FINANCE LLP | LIMITED PARTNER since Dec 2011 | Less than 5% | Foreign Entity |
| ANCM SERVICES LIMITED | LIMITED PARTNER since Mar 2010 | Less than 5% | Foreign Entity |
| BADEL, ANTOINE, JEAN HUBERT | LIMITED PARTNER since Nov 2009 | Less than 5% | Individual |
| FESTA, MARC, FRANCOIS GERMAIN | LIMITED PARTNER since Apr 2011 | Less than 5% | Individual |
| ORTEGA, ISABEL | LIMITED PARTNER since Jul 2011 | Less than 5% | Individual |
| CONCORDE BANK LIMITED Control Indirect owner via MOLINOS CAPITAL LIMITED | SHAREHOLDER since Nov 2005 | 75% or more | Foreign Entity |
| CONCORDE HOLDING LIMITED Control Indirect owner via CONCORDE BANK LIMITED | SHAREHOLDER since Jan 2003 | 50–75% | Foreign Entity |
| KEPRON LIMITED Control Indirect owner via SOFI LIMITED | SHAREHOLDER since Jan 1999 | 75% or more | Foreign Entity |
| LUSSAN, GERARD, PHILIPPE EMILE CLAUD Control Indirect owner via KEPRON LIMITED | SHAREHOLDER since Apr 1993 | 75% or more | Individual |
| MOLINOS CAPITAL LIMITED Control Indirect owner via WALEWSKI LIMITED | SHAREHOLDER since Jun 2006 | 75% or more | Foreign Entity |
| SOFI LIMITED Control Indirect owner via CONCORDE HOLDING LIMITED | SHAREHOLDER since Jun 2002 | 50–75% | Foreign Entity |
| WALEWSKI LIMITED Control Indirect owner via ALKEN FINANCE LLP | LIMITED PARTNER since Jul 2011 | 75% or more | Foreign Entity |
Ownership & leadership changes · 1 filing with changes since May 16, 2012
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- AddedCONCORDE HOLDING LIMITED · SHAREHOLDER · 50–75% · indirect via CONCORDE BANK LIMITED · control person
- AddedDELAUNE, ARNAUD, GEORGES · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- AddedKEPRON LIMITED · SHAREHOLDER · 75% or more · indirect via SOFI LIMITED · control person
- AddedLUSSAN, GERARD, PHILIPPE EMILE CLAUD · SHAREHOLDER · 75% or more · indirect via KEPRON LIMITED · control person
- AddedSOFI LIMITED · SHAREHOLDER · 50–75% · indirect via CONCORDE HOLDING LIMITED · control person
- AddedTSATSARIS, ALEXIS, GEORGES · CHIEF FINANCIAL OFFICER, CHIEF OPERATIONS OFFICER AND CHIEF LEGAL OFFICER · Less than 5% · control person
- AddedWALEWSKI LIMITED · LIMITED PARTNER · 75% or more · indirect via ALKEN FINANCE LLP · control person
- ChangedALKEN FINANCE LLP · title PARTNER → LIMITED PARTNER
- ChangedANCM SERVICES LIMITED · title PARTNER → LIMITED PARTNER
- ChangedBADEL, ANTOINE, JEAN HUBERT · title PARTNER → LIMITED PARTNER
- ChangedCONCORDE BANK LIMITED · indirect via MOLINOS CAPITAL LIMITED: title TRUSTEES → SHAREHOLDER
- ChangedFESTA, MARC, FRANCOIS GERMAIN · title PARTNER → LIMITED PARTNER
- ChangedORTEGA, ISABEL · title PARTNER → LIMITED PARTNER
- ChangedWALEWSKI LIMITED · title PARTNER → LIMITED PARTNER
- ChangedWALEWSKI, NICOLAS, RENE · title PARTNER → GENERAL PARTNER AND CHIEF EXECUTIVE OFFICER; now a control person
- ListedALKEN FINANCE LLP · PARTNER · Less than 5%
- ListedANCM SERVICES LIMITED · PARTNER · Less than 5%
- ListedBADEL, ANTOINE, JEAN HUBERT · PARTNER · Less than 5%
- ListedCONCORDE BANK LIMITED · TRUSTEES · 75% or more · indirect via MOLINOS CAPITAL LIMITED · control person
- ListedFESTA, MARC, FRANCOIS GERMAIN · PARTNER · Less than 5%
- ListedMOLINOS CAPITAL LIMITED · SHAREHOLDER · 75% or more · indirect via WALEWSKI LIMITED · control person
- ListedORTEGA, ISABEL · PARTNER · Less than 5%
- ListedWALEWSKI LIMITED · PARTNER · 75% or more · control person
- ListedWALEWSKI, NICOLAS, RENE · PARTNER · Less than 5%
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- DoorDash 0.000 15-May-2030$2.7M +785.4%
- Microsoft Corp$1.3M +38.1%
- ANI Pharma 2.250 01-Sep-2029$827.0K +45.5%
- InterDigital 3.500 01-Jun-2027$674.0K +15.7%
- Alnylam Pharma 1.000 15-Sep-2027$526.0K +27.6%
Top Trims
- Western Digital 3.000 15-Nov-2028-$5.4M -91.9%
- CyberArk Software (Palo Alto) 0.000 15-Jun-2030-$1.7M -23.8%
- Macom Tech 0.000 15-Dec-2029 (Exch)-$1.1M -22.6%
- Cloudflare 0.000 15-Jun-2030-$582.0K -17.6%
- Datadog 0.000 01-Dec-2029-$544.0K -21.5%
Alken Asset Management Ltd Holdings (2026-09-30)
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 | Alphabet C 6.250 15-May-2029 PEPS B | GOOGN | 02079K602 | $6.0M | 7.71% | 125,000 | SH |
| 2 | Uber Technologies 0.875 01-Dec-2028 | UBER | 90353TAM2 | $5.6M | 7.19% | 4,950 | PRN |
| 3 | CyberArk Software (Palo Alto) 0.000 15-Jun-2030 | CYBR | 23248VAD7 | $5.6M | 7.11% | 3,000 | PRN |
| 4 | InterDigital 3.500 01-Jun-2027 | IDCC | 45867GAD3 | $5.0M | 6.32% | 1,170 | PRN |
| 5 | Microsoft Corp | MSFT | 594918104 | $4.7M | 6.02% | 9,280 | SH |
| 6 | CMS Energy 3.375 01-May-2028 | CMS | 125896BX7 | $4.3M | 5.50% | 4,300 | PRN |
| 7 | Snowflake 0.000 01-Oct-2029 | SNOW | 833445AD1 | $3.8M | 4.79% | 1,700 | PRN |
| 8 | Macom Tech 0.000 15-Dec-2029 (Exch) | MTSI | 55405YAD2 | $3.6M | 4.64% | 2,040 | PRN |
| 9 | Alibaba Group 0.500 01-Jun-2031 | BABAF | 01609WBG6 | $3.4M | 4.36% | 2,740 | PRN |
| 10 | DoorDash 0.000 15-May-2030 | DASH | 25809KAB1 | $3.0M | 3.87% | 3,200 | PRN |
| 11 | NextEra Energy 7.375 15-Feb-2029 PEPS | NEEPV | 65339F655 | $3.0M | 3.85% | 70,300 | SH |
| 12 | iRhythm Technologies 1.500 01-Sep-2029 | IRTC | 450056AB2 | $2.9M | 3.66% | 2,700 | PRN |
| 13 | Cloudflare 0.000 15-Jun-2030 | NET | 18915MAF4 | $2.7M | 3.46% | 1,730 | PRN |
| 14 | ANI Pharma 2.250 01-Sep-2029 | ANIP | 00182CAC7 | $2.6M | 3.37% | 2,250 | PRN |
| 15 | Alnylam Pharma 1.000 15-Sep-2027 | ALNY | 02043QAB3 | $2.4M | 3.10% | 2,250 | PRN |
| 16 | Post Holdings 2.500 15-Aug-2027 | POST | 737446AT1 | $2.4M | 3.05% | 2,430 | PRN |
| 17 | Itron 1.375 15-Jul-2030 | ITRO | 465741AQ9 | $2.2M | 2.81% | 2,300 | PRN |
| 18 | Nutanix 0.250 01-Oct-2027 (Exch) | NTNX | 67059NAH1 | $2.2M | 2.81% | 1,700 | PRN |
| 19 | Oracle 6.500 15-Jan-2029 PEPS D | ORCLPD | 68389X204 | $2.2M | 2.80% | 49,800 | SH |
| 20 | Rubrik 0.000 15-Jun-2030 | RBRK | 781154AD1 | $2.1M | 2.72% | 1,800 | PRN |
| 21 | Datadog 0.000 01-Dec-2029 | DDOG | 23804LAD5 | $2.0M | 2.52% | 1,380 | PRN |
| 22 | GDS Holdings 2.250 01-Jun-2032 | GDHLF | 36165LAD0 | $1.8M | 2.26% | 1,450 | PRN |
| 23 | AeroVironment 0.000 15-Jul-2030 | AVAV | 008073AA6 | $1.3M | 1.67% | 1,500 | PRN |
| 24 | Coca-Cola Co/The | KO | 191216100 | $1.0M | 1.28% | 11,600 | SH |
| 25 | MSCI Inc | MSCI | 55354G100 | $648.0K | 0.83% | 1,200 | SH |
| 26 | Western Digital 3.000 15-Nov-2028 | WDC | 958102AT2 | $481.0K | 0.61% | 40 | PRN |
| 27 | Ishares Gold Trust | IAU | 464285204 | $410.0K | 0.52% | 7,400 | PRN |
| 28 | Sarepta Therapeutics 1.250 15-Sep-2027 | SRPT | 803607AD2 | $381.0K | 0.49% | 400 | PRN |
| 29 | Rapid7 1.250 15-Mar-2029 | RPD | 753422AH7 | $355.0K | 0.45% | 400 | PRN |
| 30 | JD.com 0.250 01-Jun-2029 | JD | 47215PAJ5 | $175.0K | 0.22% | 180 | PRN |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-09-30 | 2026-10-20 | $78.5M | 30 | 0001629996-26-000005 |
| 2026-06-30 | 2026-07-10 | $89.6M | 40 | 0001629996-26-000003 |
| 2026-03-31 | 2026-04-24 | $55.5M | 35 | 0001629996-26-000002 |
| 2025-12-31 | 2026-01-20 | $61.3M | 38 | 0001629996-26-000001 |
LONDON, W1S 2GB, UK
LONDON, X0 W1S 2ER