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Rhenman & Partners Asset Management AB 13F Filing (Q2 2026) — Top Positions & Stock Picks
Rhenman & Partners Asset Management ABCIK: 0001599882
Diversified strategySector-focusedMomentum follower
Total reported value
$1.1B
Reporting period: 2026-06-30 · Number of holdings: 99
Rhenman & Partners Asset Management AB disclosed 99 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $1.1B and a quarterly turnover rate of 61.1%.
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Personality snowflake
- Concentration
- 6.1
- Portfolio Stability
- 61.09
- Momentum
- 100
- Sector conviction
- 100
- Diversification
- 100
- Sizing Uniformity
- 92.82
Rhenman & Partners Asset Management AB's disclosed holdings carry a Herfindahl concentration index of 0.015 — mathematically equivalent to about 66 equally-sized positions, close to its 99 actual disclosed holdings. Value is spread relatively evenly across the portfolio rather than concentrated in a handful of names.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.72), 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.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govTrim BSX
-27.9% -$20.0M
Trim REGN
-43.1% -$20.1M
New buy AZN
New buy MRK
Add UNH
+105.7% $26.6M
New buy JNJ
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | UNH | Unitedhealth Group Inc | Stock-Healthcare | 3.67% | +2.15% | +105.71% | |
| 2 | CVS | Cvs Health CORP | Stock-Healthcare | 2.73% | -0.25% | -16.98% | |
| 3 | AZN | AstraZeneca PLC | Stock-Healthcare | 2.69% | +2.69% | NEW | |
| 4 | MRK | Merck & Co. Inc. | Stock-Healthcare | 2.59% | +2.59% | NEW | |
| 5 | LLY | Eli Lilly & Co | Stock-Healthcare | 2.53% | -1.30% | -33.81% | |
| 6 | ABBV | Abbvie Inc | Stock-Healthcare | 2.30% | +0.38% | +35.21% | |
| 7 | ALHC | Alignment Healthcare Inc | Stock-Other | 2.24% | -0.05% | -5.35% | |
| 8 | EW | Edwards Lifesciences CORP | Stock-Healthcare | 2.22% | +0.61% | +59.51% | |
| 9 | GILD | Gilead Sciences Inc | Stock-Healthcare | 2.13% | -0.75% | +6.26% | |
| 10 | JAZZ | Jazz Pharmaceuticals plc | Stock-Healthcare | 1.99% | +0.22% | +15.22% | |
| 11 | BIIB | Biogen Inc | Stock-Healthcare | 1.93% | -0.54% | -13.06% | |
| 12 | SYK | Stryker CORP | Stock-Healthcare | 1.93% | -0.01% | +35.98% | |
| 13 | BSX | Boston Scientific CORP | Stock-Healthcare | 1.81% | -3.03% | -27.92% | |
| 14 | JNJ | Johnson & Johnson | Stock-Healthcare | 1.74% | +1.74% | NEW | |
| 15 | GH | Guardant Health Inc | Stock-Healthcare | 1.63% | -0.02% | -20.69% | |
| 16 | REGN | Regeneron Pharmaceuticals | Stock-Healthcare | 1.61% | -2.98% | -43.06% | |
| 17 | GKOS | Glaukos CORP | Stock-Healthcare | 1.57% | +0.45% | +41.67% | |
| 18 | BMRN | Biomarin Pharmaceutical Inc | Stock-Healthcare | 1.57% | +0.13% | +40.34% | |
| 19 | NRIX | Nurix Therapeutics Inc | Stock-Other | 1.57% | +0.97% | +118.26% | |
| 20 | NTRA | Natera Inc | Stock-Healthcare | 1.56% | +0.29% | +18.31% | |
| 21 | MIRM | Mirum Pharmaceuticals Inc | Stock-Other | 1.54% | +0.48% | +50.32% | |
| 22 | INSM | Insmed Inc | Stock-Healthcare | 1.53% | -1.69% | -4.88% | |
| 23 | THC | Tenet Healthcare CORP | Stock-Healthcare | 1.50% | +0.24% | +57.78% | |
| 24 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 1.49% | -1.02% | -23.61% | |
| 25 | CNC | Centene CORP | Stock-Healthcare | 1.48% | +1.48% | NEW | |
| 26 | AXSM | Axsome Therapeutics Inc | Stock-Healthcare | 1.46% | +0.13% | -1.18% | |
| 27 | DHR | Danaher CORP | Stock-Healthcare | 1.44% | +1.02% | +344.56% | |
| 28 | VRTX | Vertex Pharmaceuticals Inc | Stock-Healthcare | 1.44% | -0.96% | -29.44% | |
| 29 | AVR | Anteris Technologies Global | Stock-Other | 1.43% | +0.44% | +6.95% | |
| 30 | NBIX | Neurocrine Biosciences Inc | Stock-Healthcare | 1.37% | -0.27% | -14.87% | |
| 31 | PNTG | Pennant Group Inc/the | Stock-Other | 1.30% | +0.26% | +34.88% | |
| 32 | ISRG | Intuitive Surgical Inc | Stock-Healthcare | 1.30% | -0.80% | -6.37% | |
| 33 | ELV | Elevance Health Inc | Stock-Healthcare | 1.27% | +0.10% | +8.05% | |
| 34 | LIVN | LivaNova PLC | Stock-Other | 1.27% | +0.05% | +5.81% | |
| 35 | COR | Cencora Inc | Stock-Healthcare | 1.25% | -0.78% | -10.69% | |
| 36 | CRL | Charles River Laboratories | Stock-Healthcare | 1.22% | +0.67% | +120.00% | |
| 37 | IDYA | Ideaya Biosciences Inc | Stock-Other | 1.21% | +0.16% | +34.56% | |
| 38 | MCK | Mckesson CORP | Stock-Healthcare | 1.18% | -0.62% | -1.78% | |
| 39 | SNDX | Syndax Pharmaceuticals Inc | Stock-Other | 1.16% | +0.07% | +47.73% | |
| 40 | BTSG | Brightspring Health Services | Stock-Other | 1.09% | +0.83% | +231.79% | |
| 41 | MDT | Medtronic plc | Stock-Healthcare | 1.07% | +0.11% | +61.11% | |
| 42 | MLYS | Mineralys Therapeutics Inc | Stock-Other | 1.06% | +0.18% | +58.27% | |
| 43 | OSCR | Oscar Health Inc - Class A | Stock-Healthcare | 1.06% | +0.13% | -40.61% | |
| 44 | RPRX | Royalty Pharma plc | Stock-Healthcare | 1.04% | -0.34% | -15.45% | |
| 45 | DXCM | Dexcom Inc | Stock-Healthcare | 1.02% | +1.02% | NEW | |
| 46 | ALGN | Align Technology Inc | Stock-Healthcare | 1.00% | +0.84% | +740.00% | |
| 47 | SYRE | Spyre Therapeutics Inc | Stock-Other | 1.00% | +1.00% | NEW | |
| 48 | RLAY | Relay Therapeutics Inc | Stock-Other | 1.00% | +0.56% | +57.22% | |
| 49 | ARWR | Arrowhead Pharmaceuticals In | Stock-Healthcare | 0.98% | -0.14% | -11.42% | |
| 50 | A | Agilent Technologies Inc | Stock-Healthcare | 0.94% | +0.59% | +200.00% |
1–50 of 99
Portfolio Performance
Performance for Q3 2026
+14.3%
Performance Last 4 Quarters
+26.1%
- Stdev
- +16.2%
- Beta
- +0.6
- Alpha
- +1.3%
- Max Drawdown
- -16.6%
- Annualized Perf
- +12.7%
- Batting Avg vs S&P
- +41.7%
- Sortino
- +1.48
- Stutzer
- +0.24
- Treynor
- +0.22
- Sterling
- +0.65
- Calmar
- +0.77
- Information Ratio
- -0.44
- Tracking Error
- +15.1%
- Stdev Down
- +9%
- Winning Months %
- +55.6%
- Losing Months %
- +44.4%
- Best 12 Months
- +30.6%
- Worst 12 Months
- -11.3%
- Efficiency Ratio
- +0.3
- Sharpe
- +0.82
- Stdev Sectors
- 0%
- Skewness
- +0.03
- Kurtosis
- -0.98
- Upside Potential
- +3.39
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 99 | $1.1B | 61 | ||
| 2026 Q1 | 86 | $810.5M | 57 | ||
| 2025 Q4 | 94 | $1.1B | 47 | ||
| 2025 Q3 | 92 | $903.7M | 68 | ||
| 2025 Q2 | 90 | $791.0M | 0 | ||
| 2025 Q1 | 94 | $870.0M | 100 | ||
| 2024 Q4 | 92 | $972.9M | 0 | ||
| 2024 Q3 | 95 | $1.2B | 0 | ||
| 2024 Q2 | 93 | $1.0B | 0 | ||
| 2024 Q1 | 84 | $1.1B | 0 | ||
| 2023 Q4 | 85 | $1.0B | 0 | ||
| 2023 Q3 | 85 | $927.5M | 0 | ||
| 2023 Q2 | 83 | $948.7M | 0 | ||
| 2023 Q1 | 88 | $910.9M | 0 | ||
| 2022 Q4 | 93 | $958.5M | 0 | ||
| 2022 Q3 | 90 | $955.0M | 0 | ||
| 2022 Q2 | 86 | $880.2M | 0 | ||
| 2022 Q1 | 89 | $1.0B | 0 | ||
| 2021 Q4 | 92 | $1.5B | 0 | ||
| 2021 Q3 | 92 | $1.4B | 0 | ||
| 2021 Q2 | 94 | $1.5B | 99 | ||
| 2021 Q1 | 92 | $1.4B | 37 | ||
| 2020 Q4 | 83 | $1.2B | 42 | ||
| 2020 Q3 | 82 | $1.1B | 33 | ||
| 2020 Q2 | 94 | $925.6M | 36 | ||
| 2020 Q1 | 85 | $713.8M | 36 | ||
| 2019 Q4 | 94 | $912.5M | 43 | ||
| 2019 Q3 | 93 | $797.7M | 39 | ||
| 2019 Q2 | 88 | $907.9M | 36 | ||
| 2019 Q1 | 93 | $854.9M | 39 | ||
| 2018 Q4 | 89 | $874.8M | 36 | ||
| 2018 Q3 | 88 | $998.0M | 29 | ||
| 2018 Q2 | 89 | $977.1M | 36 | ||
| 2018 Q1 | 92 | $811.3M | 38 | ||
| 2017 Q4 | 95 | $740.1M | 39 | ||
| 2017 Q3 | 94 | $783.3M | 49 | ||
| 2017 Q2 | 108 | $696.5M | 38 | ||
| 2017 Q1 | 104 | $631.5M | 44 | ||
| 2016 Q4 | 108 | $521.6M | 56 | ||
| 2016 Q3 | 107 | $629.6M | 55 | ||
| 2016 Q2 | 97 | $563.1M | 40 | ||
| 2016 Q1 | 92 | $503.8M | 44 | ||
| 2015 Q4 | 96 | $661.4M | 36 | ||
| 2015 Q3 | 91 | $627.3M | 67 | ||
| 2015 Q2 | 96 | $832.7M | 67 | ||
| 2015 Q1 | 89 | $593.1M | 77 | ||
| 2014 Q4 | 84 | $345.0M | 69 | ||
| 2014 Q3 | 100 | $341.5M | 55 | ||
| 2014 Q2 | 96 | $337.0M | 60 | ||
| 2014 Q1 | 91 | $333.2M | 62 | ||
| 2013 Q4 | 84 | $255.7M | 0 |
Holding changes this quarter
Rhenman & Partners Asset Management AB's most significant position changes for 2026-06-30: New buy: AstraZeneca PLC (AZN); New buy: Merck & Co. Inc. (MRK); New buy: Johnson & Johnson (JNJ); New buy: Centene CORP (CNC); New buy: Dexcom Inc (DXCM).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | AZN | AstraZeneca PLC | +2.7% | NEW | New buy |
| 2 | MRK | Merck & Co. Inc. | +2.6% | NEW | New buy |
| 3 | UNH | Unitedhealth Group Inc | +2.2% | +105.71% | Add |
| 4 | JNJ | Johnson & Johnson | +1.7% | NEW | New buy |
| 5 | CNC | Centene CORP | +1.5% | NEW | New buy |
| 6 | DHR | Danaher CORP | +1% | +344.56% | Add |
| 7 | DXCM | Dexcom Inc | +1% | NEW | New buy |
| 8 | SYRE | Spyre Therapeutics Inc | +1% | NEW | New buy |
| 9 | NRIX | Nurix Therapeutics Inc | +1% | +118.26% | Add |
| 10 | ALGN | Align Technology Inc | +0.8% | +740.00% | Add |
| 11 | BTSG | Brightspring Health Services | +0.8% | +231.79% | Add |
| 12 | ORKA | Oruka Therapeutics Inc | +0.7% | NEW | New buy |
| 13 | CRL | Charles River Laboratories | +0.7% | +120.00% | Add |
| 14 | EW | Edwards Lifesciences CORP | +0.6% | +59.51% | Add |
| 15 | ERAS | Erasca Inc | +0.6% | NEW | New buy |
| 16 | A | Agilent Technologies Inc | +0.6% | +200.00% | Add |
| 17 | RLAY | Relay Therapeutics Inc | +0.6% | +57.22% | Add |
| 18 | ASTH | Astrana Health Inc | +0.5% | NEW | New buy |
| 19 | MIRM | Mirum Pharmaceuticals Inc | +0.5% | +50.32% | Add |
| 20 | MOH | Molina Healthcare Inc | +0.5% | NEW | New buy |
| 21 | GKOS | Glaukos CORP | +0.5% | +41.67% | Add |
| 22 | AVR | Anteris Technologies Global | +0.4% | +6.95% | Add |
| 23 | AMN | Amn Healthcare Services Inc | +0.4% | NEW | New buy |
| 24 | MEDP | Medpace Holdings Inc | +0.4% | NEW | New buy |
| 25 | NKTR | Nektar Therapeutics | +0.4% | +139.41% | Add |
| 26 | ABBV | Abbvie Inc | +0.4% | +35.21% | Add |
| 27 | ✓ | Ascendis Pharma A/s | +0.4% | NEW | New buy |
| 28 | ALKS | Alkermes plc | +0.3% | +39.02% | Add |
| 29 | KURA | Kura Oncology Inc | +0.3% | +117.86% | Add |
| 30 | MBX | Mbx Biosciences Inc | +0.3% | NEW | New buy |
| 31 | NTRA | Natera Inc | +0.3% | +18.31% | Add |
| 32 | PNTG | Pennant Group Inc/the | +0.3% | +34.88% | Add |
| 33 | BCAX | Bicara Therapeutics Inc | +0.3% | NEW | New buy |
| 34 | THC | Tenet Healthcare CORP | +0.2% | +57.78% | Add |
| 35 | PODD | Insulet CORP | +0.2% | +200.00% | Add |
| 36 | JAZZ | Jazz Pharmaceuticals plc | +0.2% | +15.22% | Add |
| 37 | CI | THE Cigna Group | +0.2% | +117.50% | Add |
| 38 | MLYS | Mineralys Therapeutics Inc | +0.2% | +58.27% | Add |
| 39 | IDYA | Ideaya Biosciences Inc | +0.2% | +34.56% | Add |
| 40 | MLTX | Moonlake Immunotherapeutics | +0.2% | +60.67% | Add |
| 41 | BMRN | Biomarin Pharmaceutical Inc | +0.1% | +40.34% | Add |
| 42 | AXSM | Axsome Therapeutics Inc | +0.1% | -1.18% | Trim |
| 43 | OSCR | Oscar Health Inc - Class A | +0.1% | -40.61% | Trim |
| 44 | PRVA | Privia Health Group Inc | +0.1% | NEW | New buy |
| 45 | MDT | Medtronic plc | +0.1% | +61.11% | Add |
| 46 | ELV | Elevance Health Inc | +0.1% | +8.05% | Add |
| 47 | MMED | Minimed Group Inc | +0.1% | NEW | New buy |
| 48 | SNDX | Syndax Pharmaceuticals Inc | +0.1% | +47.73% | Add |
| 49 | LIVN | LivaNova PLC | +0.1% | +5.81% | Add |
| 50 | STVN | Stevanato Group S.p.A. | +0.1% | +11.39% | Add |
1–50 of 107
Filing History
FAQ
What is Rhenman & Partners Asset Management AB and what type of investor is it?
Rhenman & Partners Asset Management AB is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $1.1B, spread across 99 disclosed positions.
What are Rhenman & Partners Asset Management AB's largest equity positions?
Based on the latest 13F filing, Rhenman & Partners Asset Management AB's top holdings by market value are:
1. Unitedhealth Group Inc (UNH) — $38.9M (3.7%)
2. Cvs Health CORP (CVS) — $28.9M (2.7%)
3. AstraZeneca PLC (AZN) — $28.5M (2.7%)
4. Merck & Co. Inc. (MRK) — $27.4M (2.6%)
5. Eli Lilly & Co (LLY) — $26.8M (2.5%)
What changes did Rhenman & Partners Asset Management AB make in its most recent portfolio filing?
In the latest reported quarter, Rhenman & Partners Asset Management AB made 104 notable position adjustments: 21 new positions were initiated, 41 existing holdings were added to, 34 positions were partially reduced, and 8 were completely exited. The largest of these moves: New buy: AstraZeneca PLC (AZN); New buy: Merck & Co. Inc. (MRK); New buy: Johnson & Johnson (JNJ); New buy: Centene CORP (CNC); New buy: Dexcom Inc (DXCM)
What sectors does Rhenman & Partners Asset Management AB focus on?
Rhenman & Partners Asset Management AB is concentrated in the following sectors based on its current disclosed equity portfolio:
• Health Care: 100.0%
💡
Data Source Notice: AlphaSMO is the web's most authoritative 13F / Inside Trader database. Institutional holdings and insider trades presented here are precisely computed to deliver accurate portfolio reporting.
Investment Profile
Rhenman & Partners Asset Management AB returned an annualized 12.7% over the trailing 36 months — outperforming the S&P 500 by 1.3 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.60 (less volatile than the market) and a 42% quarterly batting average against the index.
Its portfolio is broadly diversified and fast-trading, with 100.0% of the portfolio concentrated in Health Care.
Its turnover score has risen from 0 to 61 over the past 4 quarters — a shift toward more active trading.
It has added to its GH position over the past two quarters (+$9.1M, now $17.3M), while trimming REGN over the same stretch (-$30.3M, still holding $17.1M).
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Developer Access
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