AVROBIO INC
COM · CUSIP 05455M100
49
institutional holders
+7 vs Q2 2023
25.9m
shares reported held*
$39.9mreported value*
14 new
12 added
13 reduced
6 sold out
net bought ≈ $10.6m (+6.9m 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 ≈ $1.54. Options: 5 managers hold calls ($249.4k notional), 2 hold puts ($1.1k).
Trends to Q3 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 54 |
| Q4 2022 | 46 |
| Q1 2023 | 50 |
| Q2 2023 | 42 |
| Q3 2023 | 49 |
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 | 13 | 29 |
| Q1 2023 | 24 | 20 |
| Q2 2023 | 14 | 24 |
| Q3 2023 | 26 | 19 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
CallsPuts
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2022 | $4.9k | $143 | 0.03 |
| Q1 2023 | $12.9k | $1.0k | 0.08 |
| Q2 2023 | $14.0k | $0 | 0.00 |
| Q3 2023 | $249.4k | $1.1k | 0.00 |
Biggest buyers
| BML Capital Management, LLC | Added | +3.7m |
| Newtyn Management, LLC | New | +2.0m |
| TANG CAPITAL MANAGEMENT LLC | Added | +807.7k |
| Ikarian Capital, LLC | Added | +584.1k |
| Terrapin Asset Management, LLC | New | +558.8k |
| Affinity Asset Advisors, LLC | New | +500.0k |
| Aldebaran Capital, LLC | New | +470.1k |
| Vazirani Asset Management LLC | New | +468.3k |
| VANGUARD GROUP INC | Added | +393.7k |
| Western Standard LLC | New | +310.4k |
Biggest sellers
| GMT Capital Corp | Sold out | -2.4m |
| MORGAN STANLEY | Reduced | -528.1k |
| SVB WEALTH LLC | Sold out | -284.4k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -145.7k |
| Privium Fund Management (UK) Ltd | Sold out | -87.8k |
| JPMORGAN CHASE & CO | Reduced | -57.9k |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | -45.1k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -44.1k |
| DEUTSCHE BANK AG\ | Sold out | -35.0k |
| TWO SIGMA ADVISERS, LP | Reduced | -20.6k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $194.7k126.4k shares |
| SIMPLEX TRADING, LLC | Added | $25.0k16.3k shares |
| GROUP ONE TRADING LLC | Added | $16.2k10.5k shares |
| CITADEL ADVISORS LLC | Added | $13.6k8.8k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | New | $1.1k700 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.
Holders, Q3 2023
| Manager | Shares | Change |
|---|---|---|
| Atlas Venture Life Science Advisors, LLC 1.08% of their portfolio | 4.5m $7.0m | Unchanged |
| BML Capital Management, LLC 5.68% of their portfolio | 4.0m $6.2m | Added +3.7m |
| TANG CAPITAL MANAGEMENT LLC 0.76% of their portfolio | 3.5m $5.4m | Added +807.7k |
| Newtyn Management, LLC 0.76% of their portfolio | 2.0m $3.1m | New |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 1.7m $2.7m | Reduced -45.1k |
| VANGUARD GROUP INC 0.00% of their portfolio | 1.6m $2.4m | Added +393.7k |
| Aisling Capital Management LP 0.64% of their portfolio | 1.0m $1.6m | Unchanged |
| Ikarian Capital, LLC 0.41% of their portfolio | 718.3k $1.1m | Added +584.1k |
| BlackRock Inc. 0.00% of their portfolio | 622.6k $958.7k | Reduced -10.5k |
| Terrapin Asset Management, LLC 1.18% of their portfolio | 558.8k $860.5k | New |
| MORGAN STANLEY 0.00% of their portfolio | 521.2k $802.6k | Reduced -528.1k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 518.5k $798.0k | Reduced -44.1k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 510.0k $785.4k | Added +3.6k |
| Affinity Asset Advisors, LLC 0.25% of their portfolio | 500.0k $770.0k | New |
| Aldebaran Capital, LLC 0.74% of their portfolio | 470.1k $724.0k | New |
| Vazirani Asset Management LLC 1.15% of their portfolio | 468.3k $721.1k | New |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 353.1k $544.0k | Added +9.4k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 327.9k $505.0k | Added +42.1k |
| Western Standard LLC 0.43% of their portfolio | 310.4k $478.0k | New |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 236.6k $364.4k | Reduced -20.6k |
| FNY Investment Advisers, LLC 0.21% of their portfolio | 225.0k $346.0k | New |
| JBF Capital, Inc. 0.05% of their portfolio | 160.0k $246.4k | New |
| BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio | 154.8k $238.4k | Added +127.9k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 148.6k $228.9k | Reduced -18.5k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 147.4k $227.0k | Added +41.4k |
| STATE STREET CORP 0.00% of their portfolio | 140.9k $216.9k | Unchanged |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 83.8k $129.1k | Reduced -57.9k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 74.5k $114.7k | Reduced -828 |
| BBR PARTNERS, LLC 0.01% of their portfolio | 60.0k $92.4k | New |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 35.9k $55.2k | Reduced -145.7k |
| Virtu Financial LLC 0.01% of their portfolio | 35.9k $55.0k | Added +13.3k |
| XTX Topco Ltd 0.01% of their portfolio | 29.1k $44.8k | New |
| Private Advisor Group, LLC 0.00% of their portfolio | 21.4k $33.0k | New |
| BARCLAYS PLC 0.00% of their portfolio | 17.3k $26.7k | Reduced -4.9k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 16.8k $25.9k | Unchanged |
| Colonial River Investments, LLC 0.02% of their portfolio | 16.7k $25.7k | Reduced -265 |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 11.3k $17.0k | Added +320 |
| UBS Group AG 0.00% of their portfolio | 9.9k $15.2k | Added +9.8k |
| CWM, LLC 0.00% of their portfolio | 6.4k $10.0k | Unchanged |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 5.2k $8.0k | Reduced -6.8k |
| IFP Advisors, Inc 0.00% of their portfolio | 3.5k $5.4k | New |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 3.0k $4.6k | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 3.0k $4.6k | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 2.0k $3.0k | Reduced -346 |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 1.2k $1.9k | Unchanged |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 380 $572 | Unchanged |
| CITIGROUP INC 0.00% of their portfolio | 215 $331 | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 2 $4 | Unchanged |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio | 0 $0 | Unchanged |