Parsons Corporation
Parsons Corporation (PSN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · PSN · as of Sep 30, 2025
Ownership Breakdown
404
Institutional Holders
▲ 7 vs Q2
$9.19B
Total Inst. Value
▲ $1.21B vs Q2
106.98M
Shares Outstanding
freeFloat 98.34%
124.98M
13F Shares Held
▲ 11.52M vs Q2
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
PSN largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
NEWPORT TRUST CO services-computer integrated systems design | 51.01M | 47.67% | 47.67% | $4.23T | Oct 31, 2025 | ▼ 1.12M |
LOMBARD ODIER ASSET MANAGEMENT (EUROPE) LTD services-computer integrated systems design | 13.74M | 12.84% | 12.84% | $15.66B | Nov 14, 2025 | NEW |
VANGUARD GROUP INC services-computer integrated systems design | 5.08M | 4.75% | 4.75% | $421.01B | Nov 7, 2025 | ▲ 130.7K |
BLACKROCK, INC. services-computer integrated systems design | 4.90M | 4.58% | 4.58% | $406.14B | Nov 12, 2025 | ▲ 300.6K |
MORGAN STANLEY services-computer integrated systems design | 2.79M | 2.60% | 2.60% | $230.96B | May 27, 2026 | ▲ 2.12M |
UBS GROUP AG services-computer integrated systems design | 2.34M | 2.19% | 2.19% | $194.31B | Nov 13, 2025 | — held |
ARTISAN PARTNERS LIMITED PARTNERSHIP services-computer integrated systems design | 2.33M | 2.18% | 2.18% | $193.36B | Nov 12, 2025 | ▲ 217.3K |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. services-computer integrated systems design | 2.32M | 2.17% | 2.17% | $192.39B | Nov 14, 2025 | ▼ 696.7K |
EARNEST PARTNERS LLC services-computer integrated systems design | 1.94M | 1.81% | 1.81% | $160.48B | Nov 14, 2025 | ▼ 92.4K |
STATE STREET CORP services-computer integrated systems design | 1.90M | 1.78% | 1.78% | $157.95B | Nov 14, 2025 | ▲ 106.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+5.74M shares2
New Positions
first time holders19
Decreased
−6.39M shares0
Sold Out
fully exitedNet shares change (top 50)
652.8K
+5.74M / −6.39M
Net new holders
+10
2 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
PSN insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
20
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Ball George L. director | May 13, 2026 | Purchase | 10,000 | $50.00 | $500.0K | 150.4K | Form 4 ↗ |
Holdsworth Mark Keith director | May 12, 2026 | Purchase | 6,754 | $51.54 | $348.1K | 39.9K | Form 4 ↗ |
Holdsworth Mark Keith director | May 12, 2026 | Purchase | 3,246 | $50.70 | $164.6K | 33.2K | Form 4 ↗ |
McMahon Harry T. director | May 11, 2026 | Purchase | 10,000 | $49.14 | $491.4K | 61.6K | Form 4 ↗ |
Smith Carey A. President & CEO | May 8, 2026 | Purchase | 500 | $50.73 | $25.4K | 575.4K | Form 4 ↗ |
Smith Carey A. President & CEO | May 8, 2026 | Purchase | 12,000 | $49.94 | $599.3K | 574.9K | Form 4 ↗ |
WAJSGRAS DAVID C director | Apr 14, 2026 | Award | 2,947 | — | — | 40.1K | Form 4 ↗ |
Vautrinot Suzanne M director | Apr 14, 2026 | Award | 2,947 | — | — | 29.9K | Form 4 ↗ |
Smith Robert Hanson director | Apr 14, 2026 | Award | 2,947 | — | — | 3.7K | Form 4 ↗ |
MITCHELL M CHRISTIAN director | Apr 14, 2026 | Award | 2,947 | — | — | 29.9K | 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
Parsons Corporation (PSN) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 1.66%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Parsons Corporation is NEWPORT TRUST CO, holding approximately 51.01 million shares — equal to 47.67% of outstanding shares — as of September 30, 2025.
A total of 404 institutional investors currently hold PSN stock, with a combined institutional value of approximately $9.19 billion as of the most recent 13F filing period.
Frequently asked questions
PSN ownershipParsons Corporation (PSN) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is NEWPORT TRUST CO with a 47.67% stake. Company insiders hold 1.66%. Data sourced from SEC Form 13F as of September 30, 2025.