Vault-13

PARATEK PHARMACEUTICALS INC PRTK

COM · Common Stock · CUSIP 699374302

67 institutional holders +3 vs Q1 2023
21,276,33021.3m shares reported held*
$46.5mreported value*
20 new 12 added 19 reduced 17 sold out net sold ≈ $4.9m (-2.0m 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 ≈ $2.19. Options: 5 managers hold calls ($146.4k notional), 2 hold puts ($230.5k).

Trends to Q2 2023

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 73Q4 22: 77Q1 23: 64Q2 23: 6767Q3 22Q4 22Q1 23Q2 23
Numbers
QuarterHolders
Q3 202273
Q4 202277
Q1 202364
Q2 202367

Buyers vs sellers

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

Bought or addedCut or sold out
40040Q4 22: 31 bought or addedQ4 22: 37 cut or sold outQ4 22Q1 23: 25 bought or addedQ1 23: 40 cut or sold outQ1 23Q2 23: 32 bought or addedQ2 23: 36 cut or sold outQ2 23
Numbers
QuarterBought or addedCut or sold out
Q4 20223137
Q1 20232540
Q2 20233236

Calls vs puts

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

CallsPuts
$0$200k$400k$600kQ3 22 calls: $411.0kQ3 22 puts: $0Q3 22P/C 0.00Q4 22 calls: $107.5kQ4 22 puts: $14.4kQ4 22P/C 0.13Q1 23 calls: $172.0kQ1 23 puts: $23.9kQ1 23P/C 0.14Q2 23 calls: $146.4kQ2 23 puts: $230.5kQ2 23P/C 1.57
Numbers
QuarterCallsPutsP/C
Q3 2022$411.0k$00.00
Q4 2022$107.5k$14.4k0.13
Q1 2023$172.0k$23.9k0.14
Q2 2023$146.4k$230.5k1.57

Biggest buyers

Newtyn Management, LLC New +764,274+764.3k
Eversept Partners, LP Added +689,383+689.4k
NATIXIS New +491,724+491.7k
Polar Asset Management Partners Inc. New +479,504+479.5k
TWO SIGMA INVESTMENTS, LP Added +396,523+396.5k
Hunting Hill Global Capital, LLC New +361,226+361.2k
GABELLI FUNDS LLC Added +335,360+335.4k
GABELLI & Co INVESTMENT ADVISERS, INC. New +306,950+306.9k
FIFTH LANE CAPITAL, LP New +261,781+261.8k
PenderFund Capital Management Ltd. New +233,590+233.6k

Biggest sellers

AIGH Capital Management LLC Sold out -2,674,812-2.7m
Omega Fund Management, LLC Sold out -1,971,241-2.0m
Worth Venture Partners, LLC Sold out -657,885-657.9k
Assenagon Asset Management S.A. Sold out -368,240-368.2k
MORGAN STANLEY Reduced -205,414-205.4k
CM Management, LLC Reduced -200,000-200.0k
BlackRock Inc. Reduced -172,117-172.1k
J. Goldman & Co LP Reduced -157,070-157.1k
ACADIAN ASSET MANAGEMENT LLC Sold out -139,386-139.4k
RENAISSANCE TECHNOLOGIES LLC Reduced -112,600-112.6k

Biggest calls

GROUP ONE TRADING LLC Added $82.2k37.2k shares
CSS LLC/IL New $32.5k14.7k shares
SIMPLEX TRADING, LLC Reduced $20.0k9.3k shares
CITADEL ADVISORS LLC Reduced $11.7k5.3k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

EQUITEC PROPRIETARY MARKETS, LLC New $215.9k97.7k shares
CITADEL ADVISORS LLC Reduced $14.6k6.6k 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, Q2 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 NEXPOINT ASSET MANAGEMENT, L.P. 0.83% of their portfolio Dallas, TX 2,495,7702.5m $5.5m $5.5m 0.83% Unchanged
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 2,228,0662.2m $4.9m $4.9m 0.00% Unchanged
3 GENERAL AMERICAN INVESTORS CO INC 0.35% of their portfolio NEW YORK, NY 1,839,4241.8m $4.1m $4.1m 0.35% Reduced -75.0k -75,000
4 Rock Springs Capital Management LP 0.09% of their portfolio Baltimore, MD 1,734,0371.7m $3.8m $3.8m 0.09% Unchanged
5 Bruce & Co., Inc. 0.96% of their portfolio CHICAGO, IL 1,556,2471.6m $3.4m $3.4m 0.96% Unchanged
6 Eversept Partners, LP 0.31% of their portfolio NEW YORK, NY 1,327,8571.3m $2.9m $2.9m 0.31% Added +689.4k +689,383
7 Carlyle Group Inc. 0.08% of their portfolio WASHINGTON, DC 1,041,1311.0m $2.3m $2.3m 0.08% Unchanged
8 BlackRock Inc. 0.00% of their portfolio New York, NY 894,894894.9k $2.0m $2.0m 0.00% Reduced -172.1k -172,117
9 Newtyn Management, LLC 0.40% of their portfolio NEW YORK, NY 764,274764.3k $1.7m $1.7m 0.40% New
10 J. Goldman & Co LP 0.10% of their portfolio NEW YORK, NY 758,431758.4k $1.7m $1.7m 0.10% Reduced -157.1k -157,070
11 NATIXIS 0.01% of their portfolio PARIS, I0 491,724491.7k $1.1m $1.1m 0.01% New
12 Polar Asset Management Partners Inc. 0.02% of their portfolio TORONTO, A6 479,504479.5k $1.1m $1.1m 0.02% New
13 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 439,736439.7k $971.8k $971.8k 0.00% Reduced -27.1k -27,059
14 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 413,163413.2k $913.1k $913.1k 0.00% Added +396.5k +396,523
15 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 396,076396.1k $875.3k $875.3k 0.00% Added +42.6k +42,577
16 GABELLI FUNDS LLC 0.01% of their portfolio Rye, NY 369,860369.9k $817.4k $817.4k 0.01% Added +335.4k +335,360
17 Hunting Hill Global Capital, LLC 0.48% of their portfolio New York, NY 361,226361.2k $798.3k $798.3k 0.48% New
18 GABELLI & Co INVESTMENT ADVISERS, INC. 0.11% of their portfolio Rye, NY 306,950306.9k $678.4k $678.4k 0.11% New
19 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 298,300298.3k $659.2k $659.2k 0.00% Added +25.0k +25,000
20 BROWN BROTHERS HARRIMAN & CO 0.01% of their portfolio NEW YORK, NY 287,902287.9k $636.3k $636.3k 0.01% Unchanged
21 FIFTH LANE CAPITAL, LP 0.56% of their portfolio Austin, TX 261,781261.8k $578.5k $578.5k 0.56% New
22 CM Management, LLC 0.54% of their portfolio GULF BREEZE, FL 250,000250.0k $553.0k $553.0k 0.54% Reduced -200.0k -200,000
23 PenderFund Capital Management Ltd. 0.21% of their portfolio VANCOUVER, A1 233,590233.6k $684 $684 0.21% New
24 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 216,110216.1k $477.6k $477.6k 0.00% Reduced -9.9k -9,900
25 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 201,636201.6k $445.6k $445.6k 0.00% Added +198.9k +198,893
26 Alpine Global Management, LLC 0.04% of their portfolio NEW YORK, NY 132,804132.8k $293.5k $293.5k 0.04% New
27 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 129,524129.5k $286.0k $286.0k 0.00% Reduced -112.6k -112,600
28 Trellus Management Company, LLC 0.43% of their portfolio Delray Beach, FL 127,000127.0k $280.7k $280.7k 0.43% Unchanged
29 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 118,025118.0k $260.8k $260.8k 0.00% Added +42.4k +42,384
30 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 114,434114.4k $252.9k $252.9k 0.00% Added +1.8k +1,772
31 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 111,434111.4k $246.3k $246.3k 0.00% Reduced -205.4k -205,414
32 Yakira Capital Management, Inc. 0.06% of their portfolio Westport, CT 100,000100.0k $221.0k $221.0k 0.06% New
33 EQUITEC PROPRIETARY MARKETS, LLC 0.15% of their portfolio CHICAGO, IL 95,60095.6k $211.3k $211.3k 0.15% New
34 WATER ISLAND CAPITAL LLC 0.02% of their portfolio NEW YORK, NY 84,69784.7k $187.2k $187.2k 0.02% Added +60.2k +60,197
35 DELTEC ASSET MANAGEMENT LLC 0.03% of their portfolio New York, NY 70,46870.5k $155.7k $155.7k 0.03% New
36 XTX Topco Ltd 0.02% of their portfolio LONDON, X0 62,93862.9k $139.1k $139.1k 0.02% New
37 Deuterium Capital Management, LLC 0.17% of their portfolio Clearwater, FL 55,13655.1k $121.9k $121.9k 0.17% New
38 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 53,00053.0k $117.0k $117.0k 0.00% Added +20.0k +20,000
39 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 34,48034.5k $76.2k $76.2k 0.00% Reduced -24.4k -24,438
40 B. Riley Wealth Advisors, Inc. 0.00% of their portfolio MEMPHIS, TN 30,00030.0k $66.3k $66.3k 0.00% Unchanged
41 Kathmere Capital Management, LLC 0.01% of their portfolio WAYNE, PA 30,00030.0k $66.3k $66.3k 0.01% Unchanged
42 Teton Advisors, Inc. 0.02% of their portfolio Rye, NY 25,00025.0k $55.2k $55.2k 0.02% Reduced -8.7k -8,700
43 GTS SECURITIES LLC 0.00% of their portfolio NEW YORK, NY 22,00022.0k $48.6k $48.6k 0.00% First filing
44 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 21,78221.8k $48.1k $48.1k 0.00% Reduced -252 -252
45 TWO SIGMA SECURITIES, LLC 0.00% of their portfolio NEW YORK, NY 19,52119.5k $43.1k $43.1k 0.00% New
46 GAMCO INVESTORS, INC. ET AL 0.00% of their portfolio GREENWICH, CT 18,90018.9k $41.8k $41.8k 0.00% Added +3.4k +3,400
47 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 17,89317.9k $39.5k $39.5k 0.00% Unchanged
48 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 17,40517.4k $38.5k $38.5k 0.00% Unchanged
49 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 16,70016.7k $37.0k $37.0k 0.00% Reduced -300 -300
50 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 15,55015.6k $34.4k $34.4k 0.00% Unchanged
51 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 14,66814.7k $32.4k $32.4k 0.00% Reduced -24.9k -24,850
52 CSS LLC/IL 0.00% of their portfolio CHICAGO, IL 14,00014.0k $30.9k $30.9k 0.00% New
53 PERKINS CAPITAL MANAGEMENT INC 0.03% of their portfolio WAYZATA, MN 13,70013.7k $30.0k $30.0k 0.03% Reduced -32.0k -32,000
54 Covestor Ltd 0.02% of their portfolio LONDON, X0 11,18411.2k $25.0k $25.0k 0.02% New
55 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 10,60510.6k $23.4k $23.4k 0.00% Reduced -41.3k -41,345
56 Baird Financial Group, Inc. 0.00% of their portfolio MILWAUKEE, WI 10,43510.4k $23.1k $23.1k 0.00% Reduced -25.1k -25,065
57 Kingsview Wealth Management, LLC 0.00% of their portfolio GRANTS PASS, OR 10,00010.0k $22.1k $22.1k 0.00% Unchanged
58 UBS Group AG 0.00% of their portfolio ZURICH, V8 8,2848.3k $18.3k $18.3k 0.00% Reduced -2.0k -1,992
59 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 4,7764.8k $10.0k $10.0k 0.00% Added +4.3k +4,276
60 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 4,2924.3k $9.5k $9.5k 0.00% Reduced -1.0k -1,000
61 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 1,1121.1k $2.5k $2.5k 0.00% New
62 Parallel Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 750750 $1.7k $1.7k 0.00% New
63 FMR LLC 0.00% of their portfolio BOSTON, MA 420420 $928 $928 0.00% Reduced -474 -474
64 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 100100 $221 $221 0.00% New
65 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 2222 $0 $0 0.00% New
66 HARBOUR INVESTMENTS, INC. 0.00% of their portfolio MADISON, WI 22 $4 $4 0.00% Unchanged
67 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged