Paratek Pharmaceuticals, Inc.
Paratek Pharmaceuticals, Inc. (PRTK) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · PRTK · as of Jun 30, 2023
Ownership Breakdown
68
Institutional Holders
▲ 4 vs Q1
$47.00M
Total Inst. Value
▼ $12.02M vs Q1
57.32M
Shares Outstanding
freeFloat 87.41%
21.19M
13F Shares Held
▼ 2.06M vs Q1
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
PRTK largest shareholders · institutional ownership
Q2 2023 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
NEXPOINT ASSET MANAGEMENT, L.P. pharmaceutical preparations | 2.50M | 4.39% | 4.39% | $5.52B | Aug 14, 2023 | — held |
VANGUARD GROUP INC pharmaceutical preparations | 2.23M | 3.92% | 3.92% | $4.92B | Aug 14, 2023 | — held |
GENERAL AMERICAN INVESTORS CO INC pharmaceutical preparations | 1.84M | 3.23% | 3.23% | $4.07B | Aug 3, 2023 | ▼ 75.0K |
ROCK SPRINGS CAPITAL MANAGEMENT LP pharmaceutical preparations | 1.73M | 3.05% | 3.05% | $3.83B | Aug 14, 2023 | — held |
BRUCE & CO., INC. pharmaceutical preparations | 1.56M | 2.73% | 2.73% | $3.44B | Aug 8, 2023 | — held |
EVERSEPT PARTNERS, LP pharmaceutical preparations | 1.33M | 2.33% | 2.33% | $2.93B | Nov 8, 2023 | ▲ 689.4K |
CARLYLE GROUP INC. pharmaceutical preparations | 1.04M | 1.83% | 1.83% | $2.30B | Aug 4, 2023 | — held |
BLACKROCK INC. pharmaceutical preparations | 894.9K | 1.57% | 1.57% | $1.98B | Aug 11, 2023 | ▼ 172.1K |
NEWTYN MANAGEMENT, LLC pharmaceutical preparations | 764.3K | 1.34% | 1.34% | $1.69B | Aug 14, 2023 | NEW |
J. GOLDMAN & CO LP pharmaceutical preparations | 758.4K | 1.33% | 1.33% | $1.68B | Aug 14, 2023 | ▼ 157.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q2 2023 vs prior quarter
Q2 2023
14
Increased
+2.39M shares13
New Positions
first time holders11
Decreased
−992.5K shares0
Sold Out
fully exitedNet shares change (top 50)
+1.40M
+2.39M / −992.5K
Net new holders
+16
13 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
PRTK insider trading · insider activity
Source: SEC Form 4
5
Buy transactions
68
Sell transactions
0.07
Buy/Sell ratio
$5M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Baylor-Henry Minnie director | Sep 21, 2023 | D-Return | 32,800 | $2.15 | $70.5K | 26.4K | Form 4 ↗ |
Baylor-Henry Minnie director | Sep 21, 2023 | D-Return | 12,800 | $6.82 | $87.3K | 0 | Form 4 ↗ |
Baylor-Henry Minnie director | Sep 21, 2023 | D-Return | 26,400 | — | — | 0 | Form 4 ↗ |
Hoffmann Rolf K director | Sep 21, 2023 | D-Return | 64,000 | $2.15 | $137.6K | 20.0K | Form 4 ↗ |
Hoffmann Rolf K director | Sep 21, 2023 | D-Return | 7,000 | $7.61 | $53.3K | 0 | Form 4 ↗ |
Hoffmann Rolf K director | Sep 21, 2023 | D-Return | 12,000 | $20.60 | $247.2K | 0 | Form 4 ↗ |
Hoffmann Rolf K director | Sep 21, 2023 | D-Return | 5,000 | $7.23 | $36.1K | 0 | Form 4 ↗ |
Hoffmann Rolf K director | Sep 21, 2023 | D-Return | 10,000 | $10.70 | $107.0K | 0 | Form 4 ↗ |
Hoffmann Rolf K director | Sep 21, 2023 | D-Return | 20,000 | — | — | 0 | Form 4 ↗ |
Hoffmann Rolf K director | Sep 21, 2023 | D-Return | 7,000 | $3.51 | $24.6K | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Paratek Pharmaceuticals, Inc. (PRTK) is primarily owned by institutional investors, who hold approximately 37.0% of total shares outstanding. Company insiders own approximately 12.59%, while retail and public investors account for the remaining 50.44%.
The largest institutional shareholder of Paratek Pharmaceuticals, Inc. is NEXPOINT ASSET MANAGEMENT, L.P., holding approximately 2.50 million shares — equal to 4.39% of outstanding shares — as of June 30, 2023.
A total of 68 institutional investors currently hold PRTK stock, with a combined institutional value of approximately $47,004,309 as of the most recent 13F filing period.
Frequently asked questions
PRTK ownershipParatek Pharmaceuticals, Inc. (PRTK) is primarily owned by institutional investors, who hold approximately 37.0% of shares. The largest shareholder is NEXPOINT ASSET MANAGEMENT, L.P. with a 4.39% stake. Company insiders hold 12.59%. Data sourced from SEC Form 13F as of June 30, 2023.