
Infinera Corporation
Infinera Corporation (INFN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · INFN · as of Dec 31, 2024
Ownership Breakdown
191
Institutional Holders
▼ 10 vs Q3
$1.41B
Total Inst. Value
▲ $37.25M vs Q3
236.80M
Shares Outstanding
freeFloat 85.88%
212.13M
13F Shares Held
▲ 8.80M vs Q3
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
INFN largest shareholders · institutional ownership
Q4 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC telephone & telegraph apparatus | 25.21M | 10.69% | 10.69% | $165.63B | Feb 11, 2025 | ▲ 36.6K |
OAKTREE CAPITAL MANAGEMENT LP telephone & telegraph apparatus | 25.18M | 10.68% | 10.68% | $165.40B | Feb 12, 2025 | — held |
BLACKROCK, INC. telephone & telegraph apparatus | 17.87M | 7.58% | 7.58% | $117.44B | Feb 7, 2025 | ▲ 563.0K |
TUDOR INVESTMENT CORP ET AL telephone & telegraph apparatus | 15.92M | 6.75% | 6.75% | $108.40B | Feb 14, 2025 | — held |
GLAZER CAPITAL, LLC telephone & telegraph apparatus | 10.15M | 4.30% | 4.30% | $71.93B | Feb 14, 2025 | NEW |
BROWN ADVISORY INC telephone & telegraph apparatus | 9.23M | 3.91% | 3.91% | $60.62B | Feb 14, 2025 | ▼ 4.64M |
MAGNETAR FINANCIAL LLC telephone & telegraph apparatus | 8.56M | 3.63% | 3.63% | $56.24B | Feb 11, 2025 | NEW |
BALYASNY ASSET MANAGEMENT L.P. telephone & telegraph apparatus | 8.50M | 3.61% | 3.61% | $57.94B | Feb 14, 2025 | ▲ 73.5K |
AQR ARBITRAGE LLC telephone & telegraph apparatus | 5.82M | 2.47% | 2.47% | $38.26B | Feb 14, 2025 | — held |
PSQUARED ASSET MANAGEMENT AG telephone & telegraph apparatus | 5.61M | 2.38% | 2.38% | $36.83B | Feb 13, 2025 | ▲ 3.19M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q4 2024 vs prior quarter
Q4 2024
19
Increased
+8.80M shares5
New Positions
first time holders15
Decreased
−13.10M shares0
Sold Out
fully exitedNet shares change (top 50)
4.29M
+8.80M / −13.10M
Net new holders
+9
5 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
INFN insider trading · insider activity
Source: SEC Form 4
9
Buy transactions
9
Sell transactions
1.00
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 |
|---|---|---|---|---|---|---|---|
HEARD DAVID W Chief Executive Officer | Feb 28, 2025 | Award | 412,500 | — | — | 1.51M | Form 4 ↗ |
HEARD DAVID W Chief Executive Officer | Feb 28, 2025 | Award | 623,334 | — | — | 623.3K | Form 4 ↗ |
HEARD DAVID W Chief Executive Officer | Feb 27, 2025 | Award | 305,432 | — | — | 305.4K | Form 4 ↗ |
HEARD DAVID W Chief Executive Officer | Feb 28, 2025 | D-Return | 1,512,989 | — | — | 0 | Form 4 ↗ |
HEARD DAVID W Chief Executive Officer | Feb 28, 2025 | D-Return | 2,121,150 | — | — | 0 | Form 4 ↗ |
MILBURY PAUL J director | Feb 28, 2025 | D-Return | 229,628 | — | — | 0 | Form 4 ↗ |
Erba Nancy Chief Financial Officer | Feb 28, 2025 | Award | 117,500 | — | — | 693.7K | Form 4 ↗ |
Erba Nancy Chief Financial Officer | Feb 28, 2025 | Award | 140,000 | — | — | 140.0K | Form 4 ↗ |
Erba Nancy Chief Financial Officer | Feb 27, 2025 | Award | 68,600 | — | — | 68.6K | Form 4 ↗ |
Erba Nancy Chief Financial Officer | Feb 28, 2025 | D-Return | 693,722 | — | — | 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
Infinera Corporation (INFN) is primarily owned by institutional investors, who hold approximately 89.6% of total shares outstanding. Company insiders own approximately 14.12%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Infinera Corporation is VANGUARD GROUP INC, holding approximately 25.21 million shares — equal to 10.69% of outstanding shares — as of December 31, 2024.
A total of 191 institutional investors currently hold INFN stock, with a combined institutional value of approximately $1.41 billion as of the most recent 13F filing period.
Frequently asked questions
INFN ownershipInfinera Corporation (INFN) is primarily owned by institutional investors, who hold approximately 89.6% of shares. The largest shareholder is VANGUARD GROUP INC with a 10.69% stake. Company insiders hold 14.12%. Data sourced from SEC Form 13F as of December 31, 2024.