Paratek Pharmaceuticals Inc (PRTK) Ownership

2.23 ↑0.00 (0.00%)

As of August 18, 2023, 3:59pm EST.

Institutions
Mutual Funds

Institutional Ownership

AIGH Capital Management, LLC is the biggest individual institutional holder of Paratek Pharmaceuticals Inc (PRTK), owning a total of 2.7 million shares. Combined, the top 38 institutional holders of PRTK own 50.59% of the company with a total of 29 million shares.

In the latest ownership report on June 30th 2023, the top 38 institutional holders increased their combined ownership of PRTK by 3.8 million shares. 12 institutions bought 4,387,892 total additional shares and increased their ownership by an average of 290.35%. However 5 institutions sold 631,246 total shares and decreased their ownership by an average of 17.49%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Paratek Pharmaceuticals increased by a net total of 3,756,646 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS	4.354%	0.000%	2,495,770	0	2023-06-30
Vanguard Group Inc	3.887%	0.000%	2,228,066	0	2023-06-30
General American Investors Company Inc	3.209%	-3.918%	1,839,424	-75,000	2023-06-30
Rock Springs Capital Management LP	3.025%	0.000%	1,734,037	0	2023-06-30
Bruce & Co Inc	2.715%	0.000%	1,556,247	0	2023-06-30
Eversept Partners, LLC	2.317%	107.974%	1,327,857	689,383	2023-06-30
The Carlyle Group Inc	1.816%	0.000%	1,041,131	0	2023-06-30
BlackRock Inc	1.561%	-16.131%	894,894	-172,117	2023-06-30
Newtyn Management LLC	1.333%	0.000%	764,274	764,274	2023-06-30
J. Goldman & Co LP	1.323%	-17.157%	758,431	-157,070	2023-06-30
Natixis SA	0.858%	0.000%	491,724	491,724	2023-06-30
Polar Asset Management Partners	0.837%	0.000%	479,504	479,504	2023-06-30
Geode Capital Management, LLC	0.767%	-5.797%	439,736	-27,059	2023-06-30
Two Sigma Investments LLC	0.721%	2,382.950%	413,163	396,523	2023-06-30
D. E. Shaw & Co LP	0.691%	12.044%	396,076	42,577	2023-06-30
Gabelli Funds LLC	0.645%	972.058%	369,860	335,360	2023-06-30
Hunting Hill Global Capital, LLC	0.630%	0.000%	361,226	361,226	2023-06-30
Gabelli Securities Inc	0.536%	0.000%	306,950	306,950	2023-06-30
Two Sigma Advisers, LLC	0.520%	9.148%	298,300	25,000	2023-06-30
Brown Brothers Harriman & Co	0.502%	0.000%	287,902	0	2023-06-30
FIFTH LANE CAPITAL, LP	0.457%	0.000%	261,781	261,781	2023-06-30
CM Management, LLC	0.436%	-44.444%	250,000	-200,000	2023-06-30
Penderfund Capital Management Ltd	0.408%	0.000%	233,590	233,590	2023-06-30
Trellus Management Company, LLC	0.222%	0.000%	127,000	0	2023-06-30

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
AIGH Capital Management, LLC	4.666%	-35.654%	2,674,812	-1,482,079	2023-03-31
HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS	4.354%	0.000%	2,495,770	0	2023-06-30
Vanguard Group Inc	3.887%	0.000%	2,228,066	0	2023-06-30
Omega Fund Management LLC	3.439%	0.000%	1,971,241	0	2023-03-31
General American Investors Company Inc	3.209%	-3.918%	1,839,424	-75,000	2023-06-30
Rock Springs Capital Management LP	3.025%	0.000%	1,734,037	0	2023-06-30
Bruce & Co Inc	2.715%	0.000%	1,556,247	0	2023-06-30
Eversept Partners, LLC	2.317%	107.974%	1,327,857	689,383	2023-06-30
Abingworth LLP	1.818%	0.000%	1,041,131	0	2022-12-31
The Carlyle Group Inc	1.816%	0.000%	1,041,131	0	2023-06-30
BlackRock Inc	1.561%	-16.131%	894,894	-172,117	2023-06-30
Newtyn Management LLC	1.333%	0.000%	764,274	764,274	2023-06-30
J. Goldman & Co LP	1.323%	-17.157%	758,431	-157,070	2023-06-30
Worth Venture Partners, LLC	1.148%	-35.658%	657,885	-364,590	2023-03-31
Millennium Management LLC	0.993%	93.325%	568,568	274,469	2022-12-31
1492 Capital Management, LLC	0.902%	2.386%	501,050	11,674	2022-09-30
Natixis SA	0.858%	0.000%	491,724	491,724	2023-06-30
Telemetry Investments, L.L.C.	0.843%	40.000%	483,000	138,000	2022-12-31
Polar Asset Management Partners	0.837%	0.000%	479,504	479,504	2023-06-30
Geode Capital Management, LLC	0.767%	-5.797%	439,736	-27,059	2023-06-30
Two Sigma Investments LLC	0.721%	2,382.950%	413,163	396,523	2023-06-30
D. E. Shaw & Co LP	0.691%	12.044%	396,076	42,577	2023-06-30
Gabelli Funds LLC	0.645%	972.058%	369,860	335,360	2023-06-30
Assenagon Asset Management SA	0.643%	180.534%	368,240	236,976	2023-03-31
Hunting Hill Global Capital, LLC	0.630%	0.000%	361,226	361,226	2023-06-30
Morgan Stanley - Brokerage Accounts	0.553%	125.143%	316,848	176,116	2023-03-31
Gabelli Securities Inc	0.536%	0.000%	306,950	306,950	2023-06-30
Two Sigma Advisers, LLC	0.520%	9.148%	298,300	25,000	2023-06-30
Brown Brothers Harriman & Co	0.502%	0.000%	287,902	0	2023-06-30
FIFTH LANE CAPITAL, LP	0.457%	0.000%	261,781	261,781	2023-06-30
SIMPLEX TRADING, LLC	0.465%	0.000%	258,285	258,285	2022-09-30
CM Management, LLC	0.436%	-44.444%	250,000	-200,000	2023-06-30
Renaissance Technologies Corp	0.422%	-0.575%	242,124	-1,400	2023-03-31
Penderfund Capital Management Ltd	0.408%	0.000%	233,590	233,590	2023-06-30
State Street Corporation	0.394%	0.000%	226,010	0	2023-03-31
Highbridge Capital Management, LLC	0.289%	-21.008%	160,420	-42,663	2022-06-30
Acadian Asset Management LLC	0.243%	-43.494%	139,386	-107,287	2023-03-31
Trellus Management Company, LLC	0.222%	0.000%	127,000	0	2023-06-30

Mutual Fund Ownership

Highland Global Allocation A is the biggest individual fund holder of Paratek Pharmaceuticals Inc (PRTK), owning a total of 2.2 million shares. Combined, the top 48 mutual fund holders of PRTK own 26.99% of the company with a total of 15.4 million shares.

In the latest ownership report on August 31st 2023, the top 48 fund holders increased their combined ownership of PRTK by 54 thousand shares. 3 funds bought 54,800 total additional shares and increased their ownership by an average of 96.80%. However 1 funds sold 327 total shares and decreased their ownership by an average of 3.12%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Paratek Pharmaceuticals increased by a net total of 54,473 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Highland Global Allocation A	3.761%	0.000%	2,156,000	0	2023-08-31
Vanguard Total Stock Mkt Idx Inv	2.518%	0.000%	1,443,552	0	2023-08-31
Vanguard Extended Market Index Investor	1.230%	0.000%	704,989	0	2023-08-31
Vanguard Institutional Extnd Mkt Idx Tr	1.230%	0.000%	704,989	0	2023-08-31
APO Medical Opportunities R	1.027%	0.000%	588,699	0	2023-08-31
Fidelity® Extended Market Index	0.422%	0.000%	242,114	0	2023-08-31
Pender Alternative Arbitrage Plus Cl I	0.307%	13.603%	176,000	21,074	2023-08-31
Pender Alternative Arbitrage Cl FF	0.275%	13.649%	157,590	18,926	2023-08-31
Vifag 2002 SICAV	0.262%	0.000%	150,000	0	2023-08-31
iShares Micro-Cap ETF	0.214%	0.000%	122,489	0	2023-08-31
iShares Core S&P Total US Stock Mkt ETF	0.202%	0.000%	115,546	0	2023-08-31
Fidelity® Total Market Index	0.136%	0.000%	77,984	0	2023-08-31
apo Medical Opportunities Institutionell	0.111%	0.000%	63,496	0	2023-08-31
Fidelity® Series Total Market Index	0.099%	0.000%	56,694	0	2023-08-31
Fidelity® NASDAQ Composite Index®	0.052%	0.000%	29,676	0	2023-08-31
Spartan Total Market Index Pool E	0.038%	0.000%	21,727	0	2023-08-31
AltShares Event-Driven ETF	0.036%	263.158%	20,424	14,800	2023-08-31
1290 VT Micro Cap K	0.018%	-3.118%	10,162	-327	2023-08-31
Pharus SICAV Deepview Trading A EUR Acc	0.008%	0.000%	4,500	0	2023-08-31
JHVIT Total Stock Market Index I	0.002%	0.000%	901	0	2023-08-31
Guggenheim Active Allocation Fund	0.001%	0.000%	285	0	2023-08-31

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Highland Global Allocation A	3.761%	0.000%	2,156,000	0	2023-08-31
General American Investors	3.209%	-3.918%	1,839,424	-75,000	2023-06-30
Vanguard Total Stock Mkt Idx Inv	2.518%	0.000%	1,443,552	0	2023-08-31
Vanguard Instl Ttl Stck Mkt Idx Tr	2.518%	0.000%	1,443,552	0	2023-03-31
Bruce	2.490%	0.000%	1,427,412	0	2023-06-30
MEDICAL BioHealth EUR Acc	1.934%	0.000%	1,108,806	0	2023-07-31
Vanguard Extended Market Index Investor	1.230%	0.000%	704,989	0	2023-08-31
Vanguard Institutional Extnd Mkt Idx Tr	1.230%	0.000%	704,989	0	2023-08-31
APO Medical Opportunities R	1.027%	0.000%	588,699	0	2023-08-31
JPEL Private Equity Ord	0.844%	0.000%	483,420	483,420	2022-06-30
EAM Ultra Micro Cap	0.856%	0.000%	475,222	475,222	2022-10-31
GAMCO Intl SICAV Merger Arbtrg I (USD)	0.498%	0.000%	285,550	285,550	2023-06-30
Pleiades Small Cap Equity A	0.488%	6.054%	271,248	15,483	2022-09-30
Fidelity® Extended Market Index	0.422%	0.000%	242,114	0	2023-08-31
Kieger Impact Healthcare A USD Acc	0.409%	0.000%	234,200	0	2023-04-30
NexPoint Event Driven Z	0.393%	0.000%	225,000	0	2023-06-30
Pender Alternative Arbitrage Plus Cl I	0.307%	13.603%	176,000	21,074	2023-08-31
RIM Global Bioscience EUR	0.302%	0.000%	173,275	0	2023-07-31
Pender Alternative Arbitrage Cl FF	0.275%	13.649%	157,590	18,926	2023-08-31
Vifag 2002 SICAV	0.262%	0.000%	150,000	0	2023-08-31
iShares Micro-Cap ETF	0.214%	0.000%	122,489	0	2023-08-31
iShares Core S&P Total US Stock Mkt ETF	0.202%	0.000%	115,546	0	2023-08-31
Bridgeway Ultra-Small Company Market	0.175%	-53.488%	100,000	-115,000	2023-03-31
BlackRock Extended Mkt Composite	0.164%	0.000%	94,208	0	2023-06-30
BlackRock Extended Equity Market K	0.144%	1.126%	82,535	919	2023-06-30
Fidelity® Total Market Index	0.136%	0.000%	77,984	0	2023-08-31
NexPoint Climate Tech Y	0.113%	0.000%	64,770	0	2023-06-30
apo Medical Opportunities Institutionell	0.111%	0.000%	63,496	0	2023-08-31
Fidelity® Series Total Market Index	0.099%	0.000%	56,694	0	2023-08-31
The NexPoint Strategic Opps Fund	0.087%	0.000%	50,000	0	2022-12-31
Northern Trust Extended Eq Market Idx	0.066%	0.000%	37,972	0	2023-06-30
NT Ext Equity Mkt Idx Fd - L	0.066%	0.000%	37,972	0	2023-06-30
NT Ext Equity Mkt Idx Fd - NL	0.061%	0.000%	34,822	0	2023-06-30
Fidelity® NASDAQ Composite Index®	0.052%	0.000%	29,676	0	2023-08-31
Vanguard Growth & Income Inv	0.050%	-1.384%	28,500	-400	2023-06-30
TETON Westwood Mighty Mites AAA	0.044%	-25.816%	25,000	-8,700	2023-06-30
Gabelli Health & Wellness	0.044%	100.000%	25,000	12,500	2023-06-30
Gabelli Global Mini Mites I	0.042%	9.091%	24,000	2,000	2023-06-30
Spartan Total Market Index Pool E	0.038%	0.000%	21,727	0	2023-08-31
AltShares Event-Driven ETF	0.036%	263.158%	20,424	14,800	2023-08-31
SSgA U.S. Extended Market Index Class I	0.030%	0.000%	17,110	0	2023-03-31
1290 VT Micro Cap K	0.018%	-3.118%	10,162	-327	2023-08-31
SSgA U.S. Total Market Index Strategy	0.009%	-0.260%	5,382	-14	2023-03-31
Pharus SICAV Deepview Trading A EUR Acc	0.008%	0.000%	4,500	0	2023-08-31
Comstock Capital Value A	0.007%	0.000%	4,000	4,000	2023-07-31
Northern Trust Wilshire 5000	0.006%	0.000%	3,556	0	2023-06-30
JHVIT Total Stock Market Index I	0.002%	0.000%	901	0	2023-08-31
Guggenheim Active Allocation Fund	0.001%	0.000%	285	0	2023-08-31