Vault-13

AVIDITY BIOSCIENCES INC RNA

COM · Common Stock · CUSIP 05370A108

144 institutional holders +4 vs Q1 2023
82,440,03682.4m shares reported held*
$914.5mreported value*
25 new 63 added 33 reduced 19 sold out net bought ≈ $15.7m (+1.4m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $11.09. Options: 4 managers hold calls ($244.2k notional), 5 hold puts ($674.5k).

Trends to Q2 2023

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 127Q4 22: 149Q1 23: 140Q2 23: 144144Q3 22Q4 22Q1 23Q2 23
Numbers
QuarterHolders
Q3 2022127
Q4 2022149
Q1 2023140
Q2 2023144

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q4 22: 112 bought or addedQ4 22: 39 cut or sold outQ4 22Q1 23: 93 bought or addedQ1 23: 48 cut or sold outQ1 23Q2 23: 88 bought or addedQ2 23: 52 cut or sold outQ2 23
Numbers
QuarterBought or addedCut or sold out
Q4 202211239
Q1 20239348
Q2 20238852

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6mQ3 22 calls: $2.3mQ3 22 puts: $24.0kQ3 22P/C 0.01Q4 22 calls: $3.1mQ4 22 puts: $5.5mQ4 22P/C 1.78Q1 23 calls: $2.8mQ1 23 puts: $180.4kQ1 23P/C 0.06Q2 23 calls: $244.2kQ2 23 puts: $674.5kQ2 23P/C 2.76
Numbers
QuarterCallsPutsP/C
Q3 2022$2.3m$24.0k0.01
Q4 2022$3.1m$5.5m1.78
Q1 2023$2.8m$180.4k0.06
Q2 2023$244.2k$674.5k2.76

Biggest buyers

STATE STREET CORP Added +1,812,533+1.8m
Balyasny Asset Management L.P. Added +1,370,920+1.4m
COWEN AND COMPANY, LLC Added +1,036,137+1.0m
ADAGE CAPITAL PARTNERS GP, L.L.C. New +750,000+750.0k
DIMENSIONAL FUND ADVISORS LP Added +636,583+636.6k
VANGUARD GROUP INC Added +485,468+485.5k
RTW INVESTMENTS, LP Added +302,611+302.6k
BANK OF AMERICA CORP /DE/ Added +280,031+280.0k
Artisan Partners Limited Partnership Added +248,577+248.6k
CITADEL ADVISORS LLC Added +248,225+248.2k

Biggest sellers

FEDERATED HERMES, INC. Sold out -2,363,600-2.4m
Avidity Partners Management LP Sold out -1,265,545-1.3m
Commodore Capital LP Sold out -590,705-590.7k
Frazier Life Sciences Management, L.P. Sold out -500,000-500.0k
GOLDMAN SACHS GROUP INC Reduced -457,640-457.6k
T. Rowe Price Investment Management, Inc. Sold out -397,970-398.0k
Octagon Capital Advisors LP Sold out -382,000-382.0k
Driehaus Capital Management LLC Sold out -313,542-313.5k
RENAISSANCE TECHNOLOGIES LLC Reduced -309,200-309.2k
D. E. Shaw & Co., Inc. Reduced -233,332-233.3k

Biggest calls

SIMPLEX TRADING, LLC Reduced $171.0k15.5k shares
CITADEL ADVISORS LLC Reduced $64.3k5.8k shares
GROUP ONE TRADING LLC Reduced $8.9k800 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $240.7k21.7k shares
CITADEL ADVISORS LLC Added $206.3k18.6k shares
GROUP ONE TRADING LLC New $188.5k17.0k shares
SIMPLEX TRADING, LLC Added $39.0k3.6k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
VANGUARD GROUP INC 13G · institution filed 2025-10-30 9.6% 13.2m 2025-10-30
BlackRock, Inc. 13G · institution -1.1 pts · filed 2025-10-17 6.4% -1.1 pts 8.6m 2025-10-17
Avoro Capital Advisors LLC 13G · institution filed 2026-02-17 5.5% 8.5m 2026-02-17

Fell to 5% or below in the last year: RA CAPITAL MANAGEMENT, L.P. (0.0%, 2026-05-15), PRICE T ROWE ASSOCIATES INC /MD/ (0.1%, 2026-02-17), JANUS HENDERSON GROUP PLC (4.6%, 2026-02-17), WELLINGTON MANAGEMENT GROUP LLP (0.5%, 2026-02-10)

Insider purchases and sales in Q2 2023

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q2 2023.

Holders, Q2 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 FMR LLC 0.01% of their portfolio BOSTON, MA 10,622,86410.6m $117.8m $117.8m 0.01% Reduced -215.2k -215,250
2 RTW INVESTMENTS, LP 1.41% of their portfolio NEW YORK, NY 6,689,7896.7m $74.2m $74.2m 1.41% Added +302.6k +302,611
3 PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio BALTIMORE, MD 6,684,2416.7m $74.1m $74.1m 0.01% Reduced -180.1k -180,144
4 RA CAPITAL MANAGEMENT, L.P. 1.34% of their portfolio BOSTON, MA 6,416,9986.4m $71.2m $71.2m 1.34% Unchanged
5 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 6,189,5936.2m $68.6m $68.6m 0.00% Added +1.8m +1,812,533
6 BlackRock Inc. 0.00% of their portfolio New York, NY 5,758,7465.8m $63.9m $63.9m 0.00% Added +125.3k +125,321
7 COWEN AND COMPANY, LLC 5.17% of their portfolio NEW YORK, NY 5,629,1035.6m $62.4m $62.4m 5.17% Added +1.0m +1,036,137
8 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 3,967,1854.0m $44.0m $44.0m 0.00% Added +485.5k +485,468
9 Cormorant Asset Management, LP 1.65% of their portfolio BOSTON, MA 2,612,1152.6m $29.0m $29.0m 1.65% Unchanged
10 Avoro Capital Advisors LLC 0.38% of their portfolio NEW YORK, NY 2,510,0002.5m $27.8m $27.8m 0.38% Unchanged
11 Artisan Partners Limited Partnership 0.04% of their portfolio Milwaukee, WI 2,153,8982.2m $23.9m $23.9m 0.04% Added +248.6k +248,577
12 Balyasny Asset Management L.P. 0.06% of their portfolio Chicago, IL 1,992,8342.0m $22.1m $22.1m 0.06% Added +1.4m +1,370,920
13 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 1,905,3731.9m $21.1m $21.1m 0.01% Added +636.6k +636,583
14 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 1,438,5501.4m $16.0m $16.0m 0.00% Added +136.5k +136,517
15 Boxer Capital, LLC 0.58% of their portfolio San Diego, CA 1,121,3271.1m $12.4m $12.4m 0.58% Unchanged
16 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,098,5951.1m $12.2m $12.2m 0.00% Reduced -153.9k -153,867
17 Casdin Capital, LLC 0.82% of their portfolio New York, NY 850,000850.0k $9.4m $9.4m 0.82% Unchanged
18 ALETHEA CAPITAL MANAGEMENT, LLC 10.08% of their portfolio MERCER ISLAND, WA 849,651849.7k $9.4m $9.4m 10.08% Unchanged
19 BAKER BROS. ADVISORS LP 0.05% of their portfolio NEW YORK, NY 799,451799.5k $8.9m $8.9m 0.05% Reduced -204.6k -204,600
20 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.02% of their portfolio Boston, MA 750,000750.0k $8.3m $8.3m 0.02% New
21 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 686,525686.5k $7.6m $7.6m 0.00% Added +280.0k +280,031
22 5AM Venture Management, LLC 1.84% of their portfolio SAN FRANCISCO, CA 665,555665.6k $7.4m $7.4m 1.84% Unchanged
23 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 651,500651.5k $7.2m $7.2m 0.00% Added +50.1k +50,093
24 Rafferty Asset Management, LLC 0.04% of their portfolio New York, NY 607,510607.5k $6.7m $6.7m 0.04% Added +226.6k +226,589
25 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 555,835555.8k $6.2m $6.2m 0.00% Reduced -457.6k -457,640
26 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 550,007550.0k $6.1m $6.1m 0.00% Reduced -3.0k -2,977
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 531,643531.6k $5.9m $5.9m 0.00% Added +43.0k +43,046
28 TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio NEW YORK, NY 514,821514.8k $5.7m $5.7m 0.02% Added +186.3k +186,333
29 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 503,670503.7k $5.6m $5.6m 0.00% Added +132.0k +132,047
30 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 353,247353.2k $3.9m $3.9m 0.00% Added +248.2k +248,225
31 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 347,500347.5k $3.9m $3.9m 0.01% Added +206.3k +206,300
32 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 344,214344.2k $3.8m $3.8m 0.00% Reduced -185.5k -185,515
33 Artal Group S.A. 0.11% of their portfolio LUXEMBOURG, N4 300,000300.0k $3.3m $3.3m 0.11% Reduced -212.0k -211,962
34 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 254,427254.4k $2.8m $2.8m 0.00% Added +22.8k +22,779
35 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 235,236235.2k $2.6m $2.6m 0.00% Added +91.4k +91,366
36 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 223,898223.9k $2.5m $2.5m 0.00% Added +91.7k +91,675
37 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 212,540212.5k $2.4m $2.4m 0.00% Added +6.1k +6,103
38 UBS Group AG 0.00% of their portfolio ZURICH, V8 183,066183.1k $2.0m $2.0m 0.00% Added +101.8k +101,832
39 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 178,732178.7k $2.0m $2.0m 0.00% Reduced -75.8k -75,839
40 Candriam S.C.A. 0.01% of their portfolio STRASSEN, N4 170,067170.1k $1.9m $1.9m 0.01% Unchanged
41 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 165,400165.4k $1.8m $1.8m 0.00% Added +119.9k +119,900
42 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 162,260162.3k $1.8m $1.8m 0.00% Added +94.8k +94,773
43 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 153,018153.0k $1.7m $1.7m 0.00% Reduced -233.3k -233,332
44 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 142,944142.9k $1.6m $1.6m 0.00% Added +7.0k +7,005
45 Aaron Wealth Advisors LLC 0.20% of their portfolio Chicago, IL 136,908136.9k $1.5m $1.5m 0.20% Reduced -1.5k -1,512
46 Trexquant Investment LP 0.04% of their portfolio STAMFORD, CT 135,484135.5k $1.5m $1.5m 0.04% Added +110.7k +110,711
47 Schonfeld Strategic Advisors LLC 0.01% of their portfolio NEW YORK, NY 134,999135.0k $1.5m $1.5m 0.01% New
48 TD Asset Management Inc 0.00% of their portfolio Toronto, A6 133,866133.9k $1.5m $1.5m 0.00% Reduced -18.7k -18,702
49 FRED ALGER MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 131,649131.6k $1.5m $1.5m 0.01% Reduced -26.2k -26,244
50 Swiss National Bank 0.00% of their portfolio ZURICH, V8 131,000131.0k $1.5m $1.5m 0.00% Added +16.2k +16,200
51 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.02% of their portfolio New York, NY 130,634130.6k $1.4m $1.4m 0.02% New
52 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 129,802129.8k $1.4m $1.4m 0.00% Reduced -35.2k -35,203
53 Simplify Asset Management Inc. 0.25% of their portfolio Las Vegas, NV 125,000125.0k $1.4m $1.4m 0.25% Unchanged
54 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 110,922110.9k $1.2m $1.2m 0.00% Added +13.8k +13,825
55 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 104,888104.9k $1.2m $1.2m 0.00% Reduced -43 -43
56 PROFUND ADVISORS LLC 0.06% of their portfolio BETHESDA, MD 98,70598.7k $1.1m $1.1m 0.06% Added +41.3k +41,340
57 Jump Financial, LLC 0.04% of their portfolio Chicago, IL 96,91996.9k $1.1m $1.1m 0.04% New
58 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 93,34793.3k $1.0m $1.0m 0.00% Reduced -73.4k -73,436
59 RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio ST PETERSBURG, FL 83,44083.4k $925.4k $925.4k 0.00% Added +68.2k +68,160
60 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 80,98981.0k $898.2k $898.2k 0.00% Added +32.8k +32,807
61 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 76,46676.5k $848.0k $848.0k 0.00% Added +5.5k +5,487
62 Mirador Capital Partners LP 0.18% of their portfolio PLEASANTON, CA 69,76169.8k $773.6k $773.6k 0.18% Added +7.2k +7,250
63 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 67,95068.0k $753.6k $753.6k 0.00% Reduced -44.4k -44,362
64 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 65,90065.9k $731.0k $731.0k 0.00% Reduced -309.2k -309,200
65 Ghost Tree Capital, LLC 0.26% of their portfolio NEW YORK, NY 65,00065.0k $720.9k $720.9k 0.26% Reduced -60.0k -60,000
66 DekaBank Deutsche Girozentrale 0.00% of their portfolio FRANKFURT, 2M 60,00060.0k $665.0k $665.0k 0.00% Added +36.0k +36,000
67 Legal & General Group Plc 0.00% of their portfolio London, X0 59,23859.2k $656.9k $656.9k 0.00% Added +29.8k +29,777
68 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 58,52758.5k $649.1k $649.1k 0.00% Added +1.3k +1,305
69 Woodline Partners LP 0.01% of their portfolio San Francisco, CA 58,12158.1k $644.6k $644.6k 0.01% Unchanged
70 GSA CAPITAL PARTNERS LLP 0.06% of their portfolio LONDON, X0 57,40957.4k $637.0k $637.0k 0.06% Added +26.7k +26,747
71 Jefferies Financial Group Inc. 0.01% of their portfolio NEW YORK, NY 56,90056.9k $631.0k $631.0k 0.01% New
72 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 56,30656.3k $864.3k $864.3k 0.00% Unchanged
73 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 52,08752.1k $577.6k $577.6k 0.00% Added +3.5k +3,534
74 ALPS ADVISORS INC 0.01% of their portfolio Denver, CO 52,05652.1k $577.3k $577.3k 0.01% Added +5.4k +5,406
75 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 49,36749.4k $547.5k $547.5k 0.00% Added +6.9k +6,904
76 TWINBEECH CAPITAL LP 0.01% of their portfolio PURCHASE, NY 49,32349.3k $547.0k $547.0k 0.01% Reduced -50.3k -50,263
77 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 48,53448.5k $538.2k $538.2k 0.00% Reduced -8.0k -8,043
78 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 48,38548.4k $536.6k $536.6k 0.00% Added +9.4k +9,441
79 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 45,14045.1k $500.6k $500.6k 0.00% New
80 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 37,33337.3k $414.0k $414.0k 0.00% Added +3.0k +3,015
81 Hennion & Walsh Asset Management, Inc. 0.02% of their portfolio Parsippany, NJ 34,94334.9k $388.0k $388.0k 0.02% New
82 AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio New York, NY 34,02634.0k $377.3k $377.3k 0.00% Added +2.5k +2,520
83 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 31,75431.8k $352.2k $352.2k 0.00% Reduced -3.2k -3,210
84 NWAM LLC 0.03% of their portfolio MERCER ISLAND, WA 30,76530.8k $341.2k $341.2k 0.03% Added +9.3k +9,265
85 Verition Fund Management LLC 0.01% of their portfolio GREENWICH, CT 30,46030.5k $337.8k $337.8k 0.01% New
86 E Fund Management Co., Ltd. 0.03% of their portfolio GUANGZHOU, F4 29,46429.5k $327.0k $327.0k 0.03% Added +11.9k +11,943
87 Man Group plc 0.00% of their portfolio LONDON, X0 27,80027.8k $308.3k $308.3k 0.00% New
88 JANUS HENDERSON GROUP PLC 0.00% of their portfolio LONDON, X0 26,12026.1k $289.3k $289.3k 0.00% Reduced -36 -36
89 Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio ST. PETERSBURG, FL 26,07226.1k $289.1k $289.1k 0.00% Reduced -10.6k -10,582
90 Bayesian Capital Management, LP 0.03% of their portfolio Brooklyn, NY 25,70025.7k $285.0k $285.0k 0.03% New
91 HARBOR CAPITAL ADVISORS, INC. 0.06% of their portfolio CHICAGO, IL 25,11225.1k $278.5k $278.5k 0.06% Added +2.3k +2,296
92 Dynamic Technology Lab Private Ltd 0.03% of their portfolio SINGAPORE, U0 24,54324.5k $272.0k $272.0k 0.03% New
93 Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio TOKYO, M0 24,10924.1k $267.4k $267.4k 0.00% Added +1.1k +1,108
94 AtonRa Partners 0.39% of their portfolio GENEVA, V8 22,43822.4k $248.8k $248.8k 0.39% Reduced -2.1k -2,077
95 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio TALLAHASSEE, FL 20,06620.1k $222.5k $222.5k 0.00% Reduced -1.1k -1,120
96 Graham Capital Management, L.P. 0.01% of their portfolio ROWAYTON, CT 19,07719.1k $211.6k $211.6k 0.01% New
97 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 17,50317.5k $194.1k $194.1k 0.00% Added +2.0k +2,013
98 ARIZONA STATE RETIREMENT SYSTEM 0.00% of their portfolio PHOENIX, AZ 16,90516.9k $187.5k $187.5k 0.00% Added +1.5k +1,499
99 TEACHER RETIREMENT SYSTEM OF TEXAS 0.00% of their portfolio AUSTIN, TX 16,30716.3k $181.0k $181.0k 0.00% Reduced -73 -73
100 Tower Research Capital LLC (TRC) 0.01% of their portfolio NEW YORK, NY 15,57015.6k $172.7k $172.7k 0.01% Added +8.9k +8,930