TriNet Group, Inc.
TriNet Group, Inc. (TNET) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TNET · as of Sep 30, 2025
Ownership Breakdown
268
Institutional Holders
▲ 7 vs Q2
$3.08B
Total Inst. Value
▼ $325.79M vs Q2
45.94M
Shares Outstanding
freeFloat 98.39%
46.11M
13F Shares Held
▼ 518,126 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
TNET largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ATAIROS GROUP, INC. services-business services, nec | 18.09M | 37.68% | 37.68% | $1.21T | Nov 14, 2025 | — held |
VANGUARD GROUP INC services-business services, nec | 2.88M | 6.01% | 6.01% | $192.86B | Nov 7, 2025 | ▼ 38.7K |
BLACKROCK, INC. services-business services, nec | 2.52M | 5.26% | 5.26% | $168.78B | Nov 12, 2025 | ▼ 11.5K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ services-business services, nec | 2.35M | 4.90% | 4.90% | $157.39B | Oct 29, 2025 | ▲ 387.9K |
BOSTON PARTNERS services-business services, nec | 1.46M | 3.04% | 3.04% | $97.71B | Nov 13, 2025 | NEW |
AMERICAN CENTURY COMPANIES INC services-business services, nec | 1.33M | 2.77% | 2.77% | $88.81B | Nov 12, 2025 | ▲ 167.6K |
WELLINGTON MANAGEMENT GROUP LLP services-business services, nec | 1.12M | 2.34% | 2.34% | $75.12B | Nov 14, 2025 | ▼ 869.3K |
DIMENSIONAL FUND ADVISORS LP services-business services, nec | 888.7K | 1.85% | 1.85% | $59.45B | Nov 12, 2025 | ▼ 5.5K |
EARNEST PARTNERS LLC services-business services, nec | 868.7K | 1.81% | 1.81% | $58.11B | Nov 14, 2025 | ▼ 26.9K |
ARROWMARK COLORADO HOLDINGS LLC services-business services, nec | 849.9K | 1.77% | 1.77% | $56.85B | Nov 14, 2025 | ▲ 109.2K |
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
29
Increased
+2.56M shares2
New Positions
first time holders17
Decreased
−1.35M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.21M
+2.56M / −1.35M
Net new holders
+14
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
TNET insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
19
Buy transactions
29
Sell transactions
0.66
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 |
|---|---|---|---|---|---|---|---|
Kennedy Janet H director | Jun 3, 2026 | Gift | 2,070 | — | — | 4.7K | Form 4 ↗ |
Kennedy Janet H director | Jun 3, 2026 | Gift | 2,070 | — | — | 2.1K | Form 4 ↗ |
AGI-T, L.P.
| May 28, 2026 | Award | 4,735 | — | — | 39.5K | Form 4 ↗ |
Kennedy Janet H director | May 28, 2026 | Award | 4,735 | — | — | 6.8K | Form 4 ↗ |
Contreras-Sweet Maria director | May 28, 2026 | Award | 4,735 | — | — | 17.8K | Form 4 ↗ |
HODGSON DAVID C director | May 28, 2026 | Award | 7,378 | — | — | 40.9K | Form 4 ↗ |
Chamberlain Paul Edward director | May 28, 2026 | Award | 4,735 | — | — | 42.6K | Form 4 ↗ |
Clark Ralph A. director | May 28, 2026 | Award | 4,735 | — | — | 14.1K | Form 4 ↗ |
Evanko Brian C director | May 28, 2026 | Award | 4,735 | — | — | 14.3K | Form 4 ↗ |
Ranganathan Madhu director | May 28, 2026 | Award | 4,735 | — | — | 6.8K | 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
TriNet Group, Inc. (TNET) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 1.61%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of TriNet Group, Inc. is ATAIROS GROUP, INC., holding approximately 18.09 million shares — equal to 37.68% of outstanding shares — as of September 30, 2025.
A total of 268 institutional investors currently hold TNET stock, with a combined institutional value of approximately $3.08 billion as of the most recent 13F filing period.
Frequently asked questions
TNET ownershipTriNet Group, Inc. (TNET) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is ATAIROS GROUP, INC. with a 37.68% stake. Company insiders hold 1.61%. Data sourced from SEC Form 13F as of September 30, 2025.