ADVERUM BIOTECHNOLOGIES INC
COM · CUSIP 00773U108
59
institutional holders
+3 vs Q1 2023
65.3m
shares reported held*
$103.8mreported value*
8 new
12 added
24 reduced
5 sold out
net sold ≈ $7.7m (-4.8m 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 ($589.4k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $1.59. Options: 4 managers hold calls ($125.0k notional), 1 hold puts ($0).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 79 |
| Q4 2022 | 60 |
| Q1 2023 | 56 |
| Q2 2023 | 59 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Bought or addedCut or sold out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 19 | 47 |
| Q1 2023 | 20 | 26 |
| Q2 2023 | 20 | 29 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
CallsPuts
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $1.3m | $10.0k | 0.01 |
| Q4 2022 | $766.2k | $6.8k | 0.01 |
| Q1 2023 | $57.8k | $0 | 0.00 |
| Q2 2023 | $125.0k | $0 | 0.00 |
Biggest buyers
| Commodore Capital LP | Added | +5.0m |
| Venrock Adviser, LLC | New | +3.9m |
| Acuitas Investments, LLC | New | +613.3k |
| Soleus Capital Management, L.P. | New | +320.0k |
| AIGH Capital Management LLC | Added | +283.6k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +99.1k |
| RENAISSANCE TECHNOLOGIES LLC | Added | +79.9k |
| Worth Venture Partners, LLC | Added | +72.1k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | New | +50.0k |
| Mariner, LLC | Added | +30.0k |
Biggest sellers
| FMR LLC | Reduced | -7.8m |
| BML Capital Management, LLC | Reduced | -1.9m |
| JPMORGAN CHASE & CO | Reduced | -1.2m |
| Assenagon Asset Management S.A. | Sold out | -840.7k |
| GSA CAPITAL PARTNERS LLP | Reduced | -757.0k |
| BlackRock Inc. | Reduced | -633.9k |
| Newtyn Management, LLC | Reduced | -528.4k |
| Monaco Asset Management SAM | Reduced | -424.6k |
| CM Management, LLC | Sold out | -375.0k |
| TWO SIGMA ADVISERS, LP | Reduced | -248.8k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $89.5k56.3k shares |
| SIMPLEX TRADING, LLC | Reduced | $35.0k22.3k shares |
| GROUP ONE TRADING LLC | New | $477300 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| 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.
| Holder | Stake |
|---|---|
| TCG Crossover GP II, LLC 13G · passive investor filed 2025-05-15 | 8.9% |
Fell to 5% or below in the last year: BML Investment Partners, L.P. (0.0%, 2025-12-09)
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| Commodore Capital LP 1.79% of their portfolio | 10.0m $15.9m | Added +5.0m |
| FMR LLC 0.00% of their portfolio | 7.8m $12.3m | Reduced -7.8m |
| MORGAN STANLEY 0.00% of their portfolio | 7.0m $11.1m | Added +790 |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 5.6m $8.9m | Unchanged |
| BML Capital Management, LLC 7.38% of their portfolio | 5.2m $8.2m | Reduced -1.9m |
| Versant Venture Management, LLC 9.56% of their portfolio | 5.1m $8.1m | Unchanged |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 4.6m $7.3m | Added +3.5k |
| VANGUARD GROUP INC 0.00% of their portfolio | 4.1m $6.5m | Reduced -81.1k |
| Venrock Adviser, LLC 0.99% of their portfolio | 3.9m $6.2m | New |
| Sonic GP LLC 2.12% of their portfolio | 2.0m $3.2m | Unchanged |
| AIGH Capital Management LLC 0.96% of their portfolio | 1.5m $2.4m | Added +283.6k |
| BlackRock Inc. 0.00% of their portfolio | 1.4m $2.2m | Reduced -633.9k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 1.2m $1.9m | Added +79.9k |
| Newtyn Management, LLC 0.38% of their portfolio | 1.0m $1.6m | Reduced -528.4k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 887.0k $1.4m | Added +99.1k |
| Acuitas Investments, LLC 0.57% of their portfolio | 613.3k $975.2k | New |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 485.3k $771.7k | Reduced -135.8k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 427.2k $679.2k | Reduced -248.8k |
| Quinn Opportunity Partners LLC 0.09% of their portfolio | 398.3k $633.3k | Unchanged |
| Worth Venture Partners, LLC 0.32% of their portfolio | 370.7k $589.4k | Added +72.1k |
| Soleus Capital Management, L.P. 0.06% of their portfolio | 320.0k $508.8k | New |
| STATE STREET CORP 0.00% of their portfolio | 281.9k $448.1k | Unchanged |
| Monaco Asset Management SAM 0.20% of their portfolio | 235.0k $373.6k | Reduced -424.6k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 184.1k $292.8k | Reduced -24 |
| NORTHERN TRUST CORP 0.00% of their portfolio | 181.0k $287.8k | Reduced -548 |
| CANTOR FITZGERALD, L. P. 0.01% of their portfolio | 162.8k $258.9k | Added +20.0k |
| GSA CAPITAL PARTNERS LLP 0.02% of their portfolio | 122.7k $195.0k | Reduced -757.0k |
| Marquette Asset Management, LLC 0.05% of their portfolio | 121.4k $193.0k | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 112.3k $178.6k | Reduced -108.7k |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 84.3k $134.0k | Reduced -65.6k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 69.2k $110.0k | Added +14.7k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 63.1k $100.4k | Reduced -30.0k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 50.0k $79.5k | New |
| Mariner, LLC 0.00% of their portfolio | 50.0k $79.5k | Added +30.0k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 46.6k $74.1k | Reduced -46.0k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 36.4k $57.9k | Reduced -26.5k |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 30.8k $48.9k | Reduced -748 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 23.5k $37.4k | Reduced -59.7k |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 21.6k $34.3k | Unchanged |
| OCCUDO QUANTITATIVE STRATEGIES LP 0.00% of their portfolio | 19.4k $30.9k | Reduced -33.1k |
| XTX Topco Ltd 0.00% of their portfolio | 16.3k $26.0k | New |
| Lipe & Dalton 0.01% of their portfolio | 15.0k $24.0k | Unchanged |
| WOLVERINE TRADING, LLC 0.00% of their portfolio | 13.3k $21.1k | Reduced -13.5k |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 10.1k $15.0k | New |
| NWAM LLC 0.00% of their portfolio | 10.0k $15.9k | Unchanged |
| Ausdal Financial Partners, Inc. 0.00% of their portfolio | 10.0k $15.9k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 9.5k $15.1k | Reduced -5.8k |
| UBS Group AG 0.00% of their portfolio | 6.3k $10.0k | Reduced -8.7k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 2.9k $4.7k | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 2.4k $4.0k | Added +690 |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.8k $2.9k | Reduced -1.2m |
| Blue Trust, Inc. 0.00% of their portfolio | 1.5k $1.0k | Unchanged |
| Parallel Advisors, LLC 0.00% of their portfolio | 1.0k $1.6k | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 674 $1.1k | Added +33 |
| GHP Investment Advisors, Inc. 0.00% of their portfolio | 200 $378 | Unchanged |
| Allworth Financial LP 0.00% of their portfolio | 20 $32 | Unchanged |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 18 $29 | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 3 $5 | Reduced -19 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio | 0 $0 | Unchanged |