PARATEK PHARMACEUTICALS INC PRTK
COM · Common Stock · CUSIP 699374302
77
institutional holders
+4 vs Q3 2022
21.7m
shares reported held*
$40.6mreported value*
12 new
19 added
29 reduced
8 sold out
net sold ≈ $985.6k (-527.4k 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 ($1.9m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $1.87. Options: 4 managers hold calls ($107.5k notional), 1 hold puts ($14.4k).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 73 |
| Q4 2022 | 77 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
CallsPuts
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $411.0k | $0 | 0.00 |
| Q4 2022 | $107.5k | $14.4k | 0.13 |
Biggest buyers
| MILLENNIUM MANAGEMENT LLC | Added | +274.5k |
| AIGH Capital Management LLC | Added | +269.7k |
| ACADIAN ASSET MANAGEMENT LLC | Added | +225.2k |
| CITADEL ADVISORS LLC | Added | +161.3k |
| Telemetry Investments, L.L.C. | Added | +138.0k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Added | +100.0k |
| D. E. Shaw & Co., Inc. | Added | +83.1k |
| Worth Venture Partners, LLC | Added | +52.8k |
| MARSHALL WACE, LLP | New | +44.0k |
| Kathmere Capital Management, LLC | New | +30.0k |
Biggest sellers
| 1492 Capital Management LLC | Sold out | -501.1k |
| J. Goldman & Co LP | Reduced | -408.6k |
| TWO SIGMA INVESTMENTS, LP | Reduced | -284.0k |
| SIMPLEX TRADING, LLC | Reduced | -242.6k |
| Assenagon Asset Management S.A. | Reduced | -83.1k |
| TWO SIGMA ADVISERS, LP | Reduced | -82.5k |
| Ergoteles LLC | Reduced | -82.3k |
| GROUP ONE TRADING LLC | Reduced | -63.1k |
| MORGAN STANLEY | Reduced | -56.0k |
| CM Management, LLC | Reduced | -55.0k |
Biggest calls
| SIMPLEX TRADING, LLC | Added | $75.0k40.4k shares |
| GROUP ONE TRADING LLC | Reduced | $16.3k8.7k shares |
| CITADEL ADVISORS LLC | Reduced | $16.3k8.7k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | New | $14.4k7.7k 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, Q4 2022
| Manager | Shares | Change |
|---|---|---|
| AIGH Capital Management LLC 2.57% of their portfolio | 4.2m $7.8m | Added +269.7k |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.2m $4.1m | Added +24.5k |
| Omega Fund Management, LLC 1.24% of their portfolio | 2.0m $3.7m | Unchanged |
| GENERAL AMERICAN INVESTORS CO INC 0.35% of their portfolio | 1.9m $3.5m | Reduced -31.7k |
| Rock Springs Capital Management LP 0.08% of their portfolio | 1.7m $3.2m | Unchanged |
| Bruce & Co., Inc. 0.75% of their portfolio | 1.6m $2.9m | Unchanged |
| BlackRock Inc. 0.00% of their portfolio | 1.2m $2.2m | Reduced -24.7k |
| Abingworth LLP 0.63% of their portfolio | 1.0m $1.9m | Unchanged |
| Worth Venture Partners, LLC 1.14% of their portfolio | 1.0m $1.9m | Added +52.8k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 568.6k $1.1m | Added +274.5k |
| Telemetry Investments, L.L.C. 2.11% of their portfolio | 483.0k $903.0k | Added +138.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 464.4k $868.0k | Added +22.5k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 392.7k $734.3k | Added +83.1k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 359.0k $671.3k | Reduced -82.5k |
| CM Management, LLC 0.77% of their portfolio | 345.0k $645.0k | Reduced -55.0k |
| Trellus Management Company, LLC 0.95% of their portfolio | 295.0k $551.6k | Unchanged |
| BROWN BROTHERS HARRIMAN & CO 0.00% of their portfolio | 287.9k $538.4k | Unchanged |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 246.7k $459.0k | Added +225.2k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 243.5k $455.0k | Added +14.7k |
| STATE STREET CORP 0.00% of their portfolio | 226.0k $422.6k | Added +17.9k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 222.7k $416.4k | Added +100.0k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 203.2k $379.9k | Added +161.3k |
| MORGAN STANLEY 0.00% of their portfolio | 140.7k $263.2k | Reduced -56.0k |
| Assenagon Asset Management S.A. 0.00% of their portfolio | 131.3k $245.0k | Reduced -83.1k |
| NEXPOINT ASSET MANAGEMENT, L.P. 0.02% of their portfolio | 114.8k $214.6k | Unchanged |
| NORTHERN TRUST CORP 0.00% of their portfolio | 110.7k $206.9k | Reduced -575 |
| XTX Topco Ltd 0.03% of their portfolio | 80.4k $150.3k | Added +17.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 78.2k $146.2k | Added +16.2k |
| J. Goldman & Co LP 0.01% of their portfolio | 50.4k $94.2k | Reduced -408.6k |
| WATER ISLAND CAPITAL LLC 0.01% of their portfolio | 49.5k $92.6k | Unchanged |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 45.8k $85.7k | Reduced -13.6k |
| PERKINS CAPITAL MANAGEMENT INC 0.09% of their portfolio | 45.7k $85.0k | Reduced -4.0k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 44.6k $83.4k | Added +4.8k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 44.0k $82.2k | New |
| LPL Financial LLC 0.00% of their portfolio | 42.0k $78.4k | Unchanged |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 39.9k $74.6k | Reduced -63.1k |
| GABELLI FUNDS LLC 0.00% of their portfolio | 38.5k $72.0k | Reduced -9.0k |
| Baird Financial Group, Inc. 0.00% of their portfolio | 35.5k $66.0k | Reduced -13.6k |
| Teton Advisors, Inc. 0.02% of their portfolio | 34.5k $64.5k | Reduced -9.5k |
| HighTower Advisors, LLC 0.00% of their portfolio | 33.0k $62.0k | Unchanged |
| B. Riley Wealth Advisors, Inc. 0.00% of their portfolio | 30.0k $56.1k | Reduced -16.2k |
| Kathmere Capital Management, LLC 0.01% of their portfolio | 30.0k $56.1k | New |
| NATIXIS 0.00% of their portfolio | 29.0k $54.2k | New |
| Ergoteles LLC 0.00% of their portfolio | 26.6k $49.7k | Reduced -82.3k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 25.5k $47.7k | Reduced -52.3k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 24.1k $45.0k | Added +14.2k |
| MACKENZIE FINANCIAL CORP 0.00% of their portfolio | 22.0k $41.1k | New |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 21.9k $41.0k | Reduced -19.4k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 20.9k $39.1k | New |
| Jump Financial, LLC 0.00% of their portfolio | 19.8k $37.1k | New |
| Verition Fund Management LLC 0.00% of their portfolio | 19.8k $37.0k | New |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 19.4k $36.2k | Reduced -284.0k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 17.9k $33.5k | Unchanged |
| MIRABELLA FINANCIAL SERVICES LLP 0.00% of their portfolio | 17.5k $32.8k | New |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 17.4k $32.5k | Unchanged |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 17.0k $31.0k | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 16.9k $31.6k | Added +2.9k |
| OCCUDO QUANTITATIVE STRATEGIES LP 0.00% of their portfolio | 15.7k $29.4k | Reduced -31.4k |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 15.7k $29.0k | Reduced -242.6k |
| Corient Private Wealth LP 0.00% of their portfolio | 15.6k $29.1k | First filing |
| GAMCO INVESTORS, INC. ET AL 0.00% of their portfolio | 15.5k $29.0k | Reduced -34.0k |
| Arete Wealth Advisors, LLC 0.00% of their portfolio | 14.1k $26.3k | New |
| ETF MANAGERS GROUP, LLC 0.00% of their portfolio | 13.8k $25.9k | Reduced -2.3k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 12.8k $24.0k | Reduced -11.7k |
| TWO SIGMA SECURITIES, LLC 0.00% of their portfolio | 12.6k $23.5k | New |
| Invesco Ltd. 0.00% of their portfolio | 10.6k $19.7k | New |
| Quantbot Technologies LP 0.00% of their portfolio | 6.6k $12.3k | Added +900 |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 5.3k $10.0k | Added +516 |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.6k $3.0k | Reduced -2.3k |
| SILVERBACK ASSET MANAGEMENT LLC 0.00% of their portfolio | 986 $1.8k | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 915 $2.0k | Reduced -300 |
| Key Financial Inc 0.00% of their portfolio | 475 $1.2k | Unchanged |
| FMR LLC 0.00% of their portfolio | 299 $559 | Reduced -2.1k |
| UBS Group AG 0.00% of their portfolio | 136 $254 | Reduced -1.0k |
| HARBOUR INVESTMENTS, INC. 0.00% of their portfolio | 2 $4 | Unchanged |
| CITIGROUP INC 0.00% of their portfolio | 2 $4 | Reduced -629 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio | 0 $0 | Unchanged |