Eledon Pharmaceuticals, Inc.
Eledon Pharmaceuticals, Inc. (ELDN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ELDN · as of Sep 30, 2025
Ownership Breakdown
87
Institutional Holders
▼ 1 vs Q2
$94.45M
Total Inst. Value
▼ $16.23M vs Q2
59.95M
Shares Outstanding
freeFloat 90.81%
36.47M
13F Shares Held
▼ 4.37M 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
ELDN largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BVF INC/IL pharmaceutical preparations | 6.29M | 8.16% | 8.16% | $16.30B | Nov 14, 2025 | — held |
RA CAPITAL MANAGEMENT, L.P. pharmaceutical preparations | 3.57M | 4.62% | 4.62% | $9.24B | Nov 14, 2025 | — held |
BLACKROCK, INC. pharmaceutical preparations | 3.47M | 4.49% | 4.49% | $8.97B | Nov 12, 2025 | ▲ 210.9K |
VANGUARD GROUP INC pharmaceutical preparations | 3.27M | 4.24% | 4.24% | $8.46B | Nov 7, 2025 | ▼ 50.6K |
SIREN, L.L.C. pharmaceutical preparations | 2.07M | 2.69% | 2.69% | $5.37B | Nov 13, 2025 | ▲ 1.38M |
ZIMMER PARTNERS, LP pharmaceutical preparations | 1.82M | 2.37% | 2.37% | $4.73B | Nov 14, 2025 | ▲ 844.3K |
GEODE CAPITAL MANAGEMENT, LLC pharmaceutical preparations | 1.37M | 1.77% | 1.77% | $3.55B | Nov 12, 2025 | ▼ 15.0K |
WELLINGTON MANAGEMENT GROUP LLP pharmaceutical preparations | 1.28M | 1.66% | 1.66% | $3.33B | Nov 14, 2025 | ▲ 1.28M |
SPHERA FUNDS MANAGEMENT LTD. pharmaceutical preparations | 1.28M | 1.66% | 1.66% | $3.32B | Nov 14, 2025 | ▼ 679.4K |
ENSIGN PEAK ADVISORS, INC pharmaceutical preparations | 1.26M | 1.64% | 1.64% | $3.28B | Nov 13, 2025 | — held |
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
18
Increased
+4.59M shares7
New Positions
first time holders13
Decreased
−2.17M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.42M
+4.59M / −2.17M
Net new holders
+12
7 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
ELDN insider trading · insider activity
Source: SEC Form 4
1
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 |
|---|---|---|---|---|---|---|---|
Hillson Jan director | Jan 10, 2025 | Award | 30,870 | $4.04 | $124.7K | 30.9K | Form 4 ↗ |
Hillson Jan director | Jan 10, 2025 | Award | 3,430 | — | — | 3.4K | Form 4 ↗ |
McBride John S. director | Jan 10, 2025 | Award | 30,870 | $4.04 | $124.7K | 30.9K | Form 4 ↗ |
McBride John S. director | Jan 10, 2025 | Award | 3,430 | — | — | 3.4K | Form 4 ↗ |
Gros David-Alexandre C Chief Executive Officer | Jan 10, 2025 | Award | 600,000 | $4.04 | $2.42M | 600.0K | Form 4 ↗ |
Gros David-Alexandre C Chief Executive Officer | Jan 10, 2025 | Award | 66,500 | — | — | 66.5K | Form 4 ↗ |
Little Paul Sean Chief Financial Officer | Jan 10, 2025 | Award | 175,000 | $4.04 | $707.0K | 175.0K | Form 4 ↗ |
Little Paul Sean Chief Financial Officer | Jan 10, 2025 | Award | 75,000 | — | — | 75.0K | 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
Eledon Pharmaceuticals, Inc. (ELDN) is primarily owned by institutional investors, who hold approximately 60.8% of total shares outstanding. Company insiders own approximately 9.19%, while retail and public investors account for the remaining 29.98%.
The largest institutional shareholder of Eledon Pharmaceuticals, Inc. is BVF INC/IL, holding approximately 6.29 million shares — equal to 8.16% of outstanding shares — as of September 30, 2025.
A total of 87 institutional investors currently hold ELDN stock, with a combined institutional value of approximately $94,453,818 as of the most recent 13F filing period.
Frequently asked questions
ELDN ownershipEledon Pharmaceuticals, Inc. (ELDN) is primarily owned by institutional investors, who hold approximately 60.8% of shares. The largest shareholder is BVF INC/IL with a 8.16% stake. Company insiders hold 9.19%. Data sourced from SEC Form 13F as of September 30, 2025.