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APM

Avidity Partners Management Portfolio holdings

AUM $624M Turnover 44.83%
1-Year Est. Return 250.2%
This Fund
S&P 500
This Quarter Est. Return
+8.62%
1 Year Est. Return
+250.2%
3 Year Est. Return
+491.63%
5 Year Est. Return
+985.37%
10 Year Est. Return
–
AUM
$4.71B
AUM Growth
+$201M
Cap. Flow
+$657M
Cap. Flow %
13.94%
Top 10 Hldgs %
37.6%
Holding
120
New
15
Increased
43
Reduced
17
Closed
23
Avg Time Held Equity + Options
0.6 years
Top 10 Avg Time Held Equity + Options
0.6 years
Top 20 Avg Time Held Equity + Options
0.5 years
Avg Time Held Equity only
0.6 years
Top 10 Avg Time Held Equity only
0.6 years
Top 20 Avg Time Held Equity only
0.5 years

Top Buys

Rank Stock Value
1
ELV icon
Elevance Health
ELV
+$135M
2
AZN icon
AstraZeneca
AZN
+$85.6M
3
BAX icon
Baxter International
BAX
+$72.7M
4
AVTR icon
Avantor
AVTR
+$60.9M
5
UNH icon
UnitedHealth
UNH
+$55.7M

Sector Composition

Rank Sector Weight
1 Healthcare 99.27%
2 Financials 0.5%
3 Technology 0.22%
4 Miscellaneous 0.01%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
ALNY icon
26
Alnylam Pharmaceuticals
ALNY
$31B
$62.7M 1.33%
370,000
-57,000
-13% -$10.6M
2021 Q1
3 quarters
UNH icon
27
UnitedHealth
UNH
$360B
$61.8M 1.31%
+123,100
New +$55.7M
2021 Q4
0 quarters
VRTX icon
28
Vertex Pharmaceuticals
VRTX
$127B
$61.5M 1.3%
280,000
-646,400
-70% -$126M
2020 Q4
4 quarters
IDYA icon
29
IDEAYA Biosciences
IDYA
$3.17B
$60.4M 1.28%
2,553,000
+116,000
+5% +$2.69M
2021 Q1
3 quarters
RARE icon
30
Ultragenyx Pharmaceutical
RARE
$1.43B
$58.9M 1.25%
700,000
+245,000
+54% +$19.9M
2021 Q3
1 quarter
ARWR icon
31
Arrowhead Research
ARWR
$7.9B
$58M 1.23%
875,000
+201,300
+30% +$13.8M
2021 Q2
2 quarters
STVN icon
32
Stevanato
STVN
$5.16B
$57.1M 1.21%
2,541,893
– –
2021 Q3
1 quarter
GRTS icon
33
DELISTED
Gritstone bio, Inc. Common Stock
GRTS
$56.2M 1.19%
4,370,000
-87,831
-2% -$973K
2020 Q4
4 quarters
KZR icon
34
DELISTED
Kezar Life Sciences
KZR
$54M 1.14%
322,820
+296,820
+1,142% +$33.5M
2021 Q3
1 quarter
ACET icon
35
Adicet Bio
ACET
$42.8M
$53.1M 1.13%
189,625
+38,400
+25% +$6.59M
2021 Q1
3 quarters
RNAM
36
DELISTED
Avidity Biosciences
RNAM
$43.1M 0.92%
1,815,000
+170,000
+10% +$4.06M
2021 Q3
1 quarter
KYMR icon
37
Kymera Therapeutics
KYMR
$8.71B
$42.5M 0.9%
670,000
+155,500
+30% +$9.06M
2021 Q3
1 quarter
IMCR icon
38
Immunocore
IMCR
$1.51B
$42.1M 0.89%
1,230,000
+134,400
+12% +$4.87M
2021 Q1
3 quarters
CRBU icon
39
Caribou Biosciences
CRBU
$50.4M
$40.4M 0.86%
2,674,067
+200,000
+8% +$3.89M
2021 Q3
1 quarter
INSM icon
40
Insmed
INSM
$21B
$39.5M 0.84%
1,450,000
+158,000
+12% +$4.52M
2021 Q2
2 quarters
OCDX
41
DELISTED
Ortho Clinical Diagnostics Holdings plc Ordinary Shares
OCDX
$38.3M 0.81%
1,790,000
-608,000
-25% -$12M
2021 Q3
1 quarter
PHAT icon
42
Phathom Pharmaceuticals
PHAT
$560M
$37.3M 0.79%
+1,896,000
New +$44.6M
2021 Q4
0 quarters
EPIX icon
43
DELISTED
ESSA Pharma
EPIX
$34.9M 0.74%
2,460,000
+10,000
+0.4% +$111K
2020 Q3
5 quarters
AMN icon
44
AMN Healthcare
AMN
$1.57B
$34.3M 0.73%
+280,100
New +$31.1M
2021 Q4
0 quarters
LEGN icon
45
Legend Biotech
LEGN
$3.59B
$33.2M 0.7%
711,900
-182,100
-20% -$9.24M
2021 Q2
2 quarters
ATEC icon
46
Alphatec Holdings
ATEC
$1.62B
$31.7M 0.67%
2,773,000
-13,000
-0.5% -$153K
2020 Q4
4 quarters
BLU
47
DELISTED
BELLUS Health Inc.
BLU
$30.4M 0.64%
3,775,000
-1,167,000
-24% -$7.74M
2020 Q4
4 quarters
VIR icon
48
Vir Biotechnology
VIR
$1.69B
$29.3M 0.62%
700,000
+185,000
+36% +$7.25M
2021 Q2
2 quarters
AXSM icon
49
Axsome Therapeutics
AXSM
$8.23B
$29.3M 0.62%
+775,000
New +$28.5M
2021 Q4
0 quarters
SPNE
50
DELISTED
SeaSpine Holdings Corporation Common Stock
SPNE
$27.4M 0.58%
2,010,000
+67,000
+3% +$962K
2021 Q2
2 quarters

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Avidity Partners Management's Q4 2021 Portfolio in Review

As of Q4 2021, Avidity Partners Management held 120 positions worth $4.71B, up 4.5% from $4.51B the previous quarter. Its ten largest holdings account for 38% of the portfolio.

Avidity Partners Management deployed $657M of net new capital in Q4 2021, opening 15 new positions and adding to 43 existing holdings. Its largest new stake was Elevance Health: 321,000 shares worth $149M.

By sector, the portfolio is most concentrated in Healthcare at 99% of assets, up from 85% a quarter earlier, followed by Financials and Technology.

On the sell side, the largest reduction was Vertex Pharmaceuticals, an estimated $126M trimmed.

  • Avidity Partners Management's largest Q4 2021 buy was Elevance Health: 321,000 shares worth $149M.
  • Avidity Partners Management added most to AstraZeneca in Q4 2021, an estimated $85.6M increase.
  • Avidity Partners Management's biggest Q4 2021 reduction was Vertex Pharmaceuticals, cutting an estimated $126M.
  • Avidity Partners Management fully exited Regeneron Pharmaceuticals in Q4 2021, selling an estimated $92.2M.
  • Avidity Partners Management's ten largest holdings make up 38% of its $4.71B portfolio in Q4 2021.
  • Avidity Partners Management opened 15 new positions and closed 23 in Q4 2021.
  • Avidity Partners Management's portfolio value rose 4.5% quarter-over-quarter to $4.71B.

Based on Avidity Partners Management's 13F filing for Q4 2021, filed 14 Feb 2022.