Melqart Asset Management (UK) Ltd 13F: Quarter-over-Quarter Portfolio Changes
Melqart Asset Management (UK) Ltd reported a disclosed portfolio value of approximately $1.0 billion in its latest SEC Form 13F-HR filing for Q1 2026, up 1.5% quarter on quarter. Over the quarter, the fund initiated 15 new positions, bought more shares in 15 holdings, trimmed 9 holdings, and exited 18 positions.
Melqart Asset Management (UK) Ltd's top buy was a new stake in Penumbra INC (PEN) , equal to 2.6% of the disclosed portfolio. Its top sell was Frontier Communications Pare (FYBR) . The fund exited the position completely after it had accounted for 5.8% of the previous portfolio.
New PositionsQ1 2026
Securities disclosed for the first time in Q1 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| PENUMBRA INC | PEN | 2.6% | Holders → |
| TERNS PHARMACEUTICALS INC | TERN | 2.6% | Holders → |
| REVOLUTION MEDICINES INC | RVMD | 2.6% | Holders → |
| ASML HLDG NV | ASML | 2.5% | Holders → |
| FABRINET | FN | 2.3% | Holders → |
| INDIVIOR PHARMCEUTICALS INC | INDV | 2.1% | Holders → |
| VERSANT MEDIA GROUP INC | VSNT | 2.0% | Holders → |
| UNIFIRST CORP MASS | UNF | 1.8% | Holders → |
| VALARIS LTD | VAL | 1.3% | Holders → |
| AES CORP | AES | 1.3% | Holders → |
| GLOBAL X FDS | URA | 1.2% | Holders → |
| CMB.TECH NV | CMBT | 0.5% | Holders → |
| TWO HARBORS INVENTMENT CORPO | TWO | 0.4% | Holders → |
| TRANSALTA CORP | TAC | 0.3% | Holders → |
| OCEANEERING INTL INC | OII | 0.2% | Holders → |
Top BuysQ1 2026
Showing the top 10 buys among 15 existing positions where the fund bought more shares in Q1 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| MASTERBRAND INC | MBC | +0.9% | +4967.1% | Holders → |
| GLOBAL PMTS INC | GPN | +2.6% | +1048.2% | Holders → |
| CLEARWATER ANALYTICS HOLDINGS INC | CWAN | +3.4% | +194.5% | History → |
| IHEARTMEDIA INC | IHRT | +0.1% | +83.5% | Holders → |
| NVIDIA CORPORATION COM | NVDA | +1.3% | +57.1% | History → |
| ELECTRONIC ARTS INC | EA | +2.4% | +49.9% | History → |
| CYTOKINETICS INC | CYTK | +1.5% | +35.5% | History → |
| CAPRI HOLDINGS LIMITED | CPRI | +-0.1% | +34.4% | Holders → |
| TXNM ENERGY INC | TXNM | +1.4% | +33.0% | History → |
| AXALTA COATING SYS LTD | AXTA | +-0.2% | +9.7% | Holders → |
Top SellsQ1 2026
The fund's top sells among positions it retained in Q1 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| BROADCOM | AVGO | -2.9% | 51.0% | Holders → |
| SILICON MOTION TECHNOLOGY CO | SIMO | -0.3% | 44.0% | Holders → |
| WESTERN DIGITAL CORP | WDC | -0.0% | 35.4% | Holders → |
| SANDISK CORP | SNDK | 1.6% | 22.3% | Holders → |
| WARNER BROS DISCOVERY INC | WBD | -1.9% | 20.9% | History → |
| ORACLE CORP | ORCL | -0.6% | 17.4% | Holders → |
| MARVELL TECHNOLOGY INC | MRVL | 0.1% | 10.9% | Holders → |
| AEVA TECHNOLOGIES INC | AEVA | -0.0% | 4.2% | Holders → |
| TAIWAN SEMIC-ADR | TSM | 0.3% | 0.2% | History → |
Full ExitsQ1 2026
Positions present in the prior 13F-HR filing that no longer appear in Q1 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| FRONTIER COMMUNICATIONS PARE | FYBR | 5.8% |
| CYBERARK SOFTWARE LTD | CYBR | 4.6% |
| EXACT SCIENCES CORP | EXK | 3.8% |
| SNOWFLAKE INC | SNOW | 3.2% |
| PLYMOUTH INDL REIT INC | PLYM | 3.1% |
| AVIDITY BIOSCIENCES INC | RNAGBP | 2.6% |
| CONFLUENT INC | 8QR | 2.5% |
| AMAZON.COM | AMZN | 1.5% |
| MONGODB INC | MDB | 1.2% |
| MICRON TECHNOLOGY INC | MU | 1.1% |
| RUBRIK INC | RBRK | 0.6% |
| CIDARA THERAPEUTICS INC | CDTX | 0.6% |
| TWILIO INC | TWLO | 0.6% |
| SHOPIFY INC | SHOP | 0.5% |
| JFROG LTD | FROG | 0.5% |
| ABIVAX SA | ABVX | 0.4% |
| FRONTLINE PLC | FRO | 0.2% |
| KENNEDY-WILSON HOLDINGS INC | KW | 0.0% |
Net Portfolio Value ChangeQ1 2026
- $1.0BPrior quarter
- $1.0BCurrent quarter
- +$0.0BNet delta
- +1.5%% change
Methodology & FAQ
How Melqart Asset Management (UK) Ltd Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for Melqart Asset Management (UK) Ltd: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description — including how confidential treatment filings are handled — is documented in the Methodology.
What stocks did Melqart Asset Management (UK) Ltd buy in Q1 2026?
In Q1 2026, Melqart Asset Management (UK) Ltd initiated 15 new positions (PENUMBRA INC (PEN), TERNS PHARMACEUTICALS INC (TERN), REVOLUTION MEDICINES INC (RVMD), ASML HLDG NV (ASML), FABRINET (FN), INDIVIOR PHARMCEUTICALS INC (INDV), VERSANT MEDIA GROUP INC (VSNT), UNIFIRST CORP MASS (UNF), VALARIS LTD (VAL), AES CORP (AES), GLOBAL X FDS (URA), CMB.TECH NV (CMBT), TWO HARBORS INVENTMENT CORPO (TWO), TRANSALTA CORP (TAC), OCEANEERING INTL INC (OII)); bought more shares of MASTERBRAND INC (MBC), GLOBAL PMTS INC (GPN), CLEARWATER ANALYTICS HOLDINGS INC (CWAN), IHEARTMEDIA INC (IHRT), NVIDIA CORPORATION COM (NVDA) — the largest 5 of 15 adds.
What stocks did Melqart Asset Management (UK) Ltd sell in Q1 2026?
In Q1 2026, Melqart Asset Management (UK) Ltd fully sold 18 positions (FRONTIER COMMUNICATIONS PARE (FYBR), CYBERARK SOFTWARE LTD (CYBR), EXACT SCIENCES CORP (EXK), SNOWFLAKE INC (SNOW), PLYMOUTH INDL REIT INC (PLYM), AVIDITY BIOSCIENCES INC (RNAGBP), CONFLUENT INC (8QR), AMAZON.COM (AMZN), MONGODB INC (MDB), MICRON TECHNOLOGY INC (MU), RUBRIK INC (RBRK), CIDARA THERAPEUTICS INC (CDTX), TWILIO INC (TWLO), SHOPIFY INC (SHOP), JFROG LTD (FROG), ABIVAX SA (ABVX), FRONTLINE PLC (FRO), KENNEDY-WILSON HOLDINGS INC (KW)); reduced holdings in BROADCOM (AVGO), SILICON MOTION TECHNOLOGY CO (SIMO), WESTERN DIGITAL CORP (WDC), SANDISK CORP (SNDK), WARNER BROS DISCOVERY INC (WBD) — the largest 5 of 9 reductions.
Which positions did Melqart Asset Management (UK) Ltd initiate in Q1 2026?
Melqart Asset Management (UK) Ltd established 15 new positions in Q1 2026: PENUMBRA INC (PEN, 2.6%), TERNS PHARMACEUTICALS INC (TERN, 2.6%), REVOLUTION MEDICINES INC (RVMD, 2.6%), ASML HLDG NV (ASML, 2.5%), FABRINET (FN, 2.3%), INDIVIOR PHARMCEUTICALS INC (INDV, 2.1%), VERSANT MEDIA GROUP INC (VSNT, 2.0%), UNIFIRST CORP MASS (UNF, 1.8%), VALARIS LTD (VAL, 1.3%), AES CORP (AES, 1.3%), GLOBAL X FDS (URA, 1.2%), CMB.TECH NV (CMBT, 0.5%), TWO HARBORS INVENTMENT CORPO (TWO, 0.4%), TRANSALTA CORP (TAC, 0.3%), OCEANEERING INTL INC (OII, 0.2%).
Which existing positions saw the largest allocation increases for Melqart Asset Management (UK) Ltd in Q1 2026?
Of 15 existing positions with share-count increases in Q1 2026, the largest were: MASTERBRAND INC (MBC, +0.9% weight, +4967.1% shares), GLOBAL PMTS INC (GPN, +2.6% weight, +1048.2% shares), CLEARWATER ANALYTICS HOLDINGS INC (CWAN, +3.4% weight, +194.5% shares), IHEARTMEDIA INC (IHRT, +0.1% weight, +83.5% shares), NVIDIA CORPORATION COM (NVDA, +1.3% weight, +57.1% shares), ELECTRONIC ARTS INC (EA, +2.4% weight, +49.9% shares), CYTOKINETICS INC (CYTK, +1.5% weight, +35.5% shares), CAPRI HOLDINGS LIMITED (CPRI, +-0.1% weight, +34.4% shares), TXNM ENERGY INC (TXNM, +1.4% weight, +33.0% shares), AXALTA COATING SYS LTD (AXTA, +-0.2% weight, +9.7% shares).
Which positions did Melqart Asset Management (UK) Ltd fully exit in Q1 2026?
Melqart Asset Management (UK) Ltd fully exited 18 positions in Q1 2026: FRONTIER COMMUNICATIONS PARE (FYBR, last-reported weight 5.8%), CYBERARK SOFTWARE LTD (CYBR, last-reported weight 4.6%), EXACT SCIENCES CORP (EXK, last-reported weight 3.8%), SNOWFLAKE INC (SNOW, last-reported weight 3.2%), PLYMOUTH INDL REIT INC (PLYM, last-reported weight 3.1%), AVIDITY BIOSCIENCES INC (RNAGBP, last-reported weight 2.6%), CONFLUENT INC (8QR, last-reported weight 2.5%), AMAZON.COM (AMZN, last-reported weight 1.5%), MONGODB INC (MDB, last-reported weight 1.2%), MICRON TECHNOLOGY INC (MU, last-reported weight 1.1%), RUBRIK INC (RBRK, last-reported weight 0.6%), CIDARA THERAPEUTICS INC (CDTX, last-reported weight 0.6%), TWILIO INC (TWLO, last-reported weight 0.6%), SHOPIFY INC (SHOP, last-reported weight 0.5%), JFROG LTD (FROG, last-reported weight 0.5%), ABIVAX SA (ABVX, last-reported weight 0.4%), FRONTLINE PLC (FRO, last-reported weight 0.2%), KENNEDY-WILSON HOLDINGS INC (KW, last-reported weight 0.0%).
Which existing positions saw the largest allocation reductions for Melqart Asset Management (UK) Ltd in Q1 2026?
Of 9 existing positions with share-count reductions in Q1 2026, the largest were: BROADCOM (AVGO, -2.9% weight, -51.0% shares), SILICON MOTION TECHNOLOGY CO (SIMO, -0.3% weight, -44.0% shares), WESTERN DIGITAL CORP (WDC, -0.0% weight, -35.4% shares), SANDISK CORP (SNDK, 1.6% weight, -22.3% shares), WARNER BROS DISCOVERY INC (WBD, -1.9% weight, -20.9% shares), ORACLE CORP (ORCL, -0.6% weight, -17.4% shares), MARVELL TECHNOLOGY INC (MRVL, 0.1% weight, -10.9% shares), AEVA TECHNOLOGIES INC (AEVA, -0.0% weight, -4.2% shares), TAIWAN SEMIC-ADR (TSM, 0.3% weight, -0.2% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.