Eledon Pharmaceuticals, Inc.

ELDN

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001404281

SEC filings (opens in a new tab)

No open-market purchases or sales by Eledon Pharmaceuticals, Inc. insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $184.6M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Eledon Pharmaceuticals, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of ELDN: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	83	1	95	+13
Shares	36.5M	59.6K	44.2M	+7.74M (+21.3%)
Value	$94.5M	$151.3K	$66.7M	−$27.6M (−29.3%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (32)

Institutions that held Eledon Pharmaceuticals, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ELDN in Q4 2025
Institution	Shares	Value	% of portfolio
Defilade Capital Management, L.P.	3,290,450	$4.97M	0.67%
ADAR1 Capital Management, LLC	1,821,812	$2.75M	0.21%
Jefferies Financial Group Inc.	1,580,625	$2.39M	0.02%
AWM Investment Company, Inc.	1,100,000	$1.66M	0.16%
Kingdon Capital Management, L.L.C.	1,039,275	$1.57M	0.24%
Stonepine Capital Management, LLC	893,100	$1.35M	1.07%
SG Americas Securities, LLC	627,392	$947.0K	0.00%
Caligan Partners LP	555,978	$839.5K	0.08%
Colony Group, LLC	317,443	$479.3K	0.00%
Brevan Howard Capital Management LP	195,757	$285.8K	0.01%
Boothbay Fund Management, LLC	151,569	$228.9K	0.01%
Graham Capital Management, L.P.	70,260	$106.1K	0.00%
Daytona Street Capital LLC	70,166	$106.0K	0.09%
PW Nova Financial Services LLC	58,041	$94.0K	0.04%
AQR Capital Management LLC	60,215	$90.9K	0.00%
Marshall Wace, LLP	29,547	$44.6K	0.00%
Canada Pension Plan Investment Board	29,400	$44.4K	0.00%
Virtu Financial LLC	25,920	$39.0K	0.00%
Millennium Management LLC	23,788	$35.9K	0.00%
Two Sigma Securities, LLC	19,345	$29.2K	0.00%
Tiaa Trust, National Association	19,000	$28.7K	0.00%
Mariner, LLC	12,414	$18.7K	0.00%
Raymond James Financial Inc	10,600	$16.0K	0.00%
ProShare Advisors LLC	10,266	$15.5K	0.00%
Forum Private Client Group LLC	10,000	$15.1K	0.01%
Split Rock Private Trading & Wealth Management, LLC	10,000	$15.1K	0.01%
Seven Fleet Capital Management LP	6,000	$9.06K	0.01%
Clearstead Advisors, LLC	500	$755	0.00%
EverSource Wealth Advisors, LLC	349	$527	0.00%
Essential Partners LLC	331	$500	0.00%
Rothschild Investment LLC	24	$36	0.00%
Byrne Asset Management LLC	1	$2	0.00%

Sold out (19)

Institutions that held Eledon Pharmaceuticals, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ELDN in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Ra Capital Management, L.P.	3,566,338	$9.24M
Siren, L.L.C.	2,072,767	$5.37M
Wellington Management Group LLP	1,283,939	$3.33M
Nantahala Capital Management, LLC	1,141,237	$2.96M
Woodline Partners LP	800,822	$2.07M
Kovitz Investment Group Partners, LLC	732,975	$1.90M
Velan Capital Investment Management LP	346,973	$898.7K
Deutsche Bank AG	64,110	$166.0K
Brighton Jones LLC	39,355	$101.9K
Squarepoint Ops LLC	36,297	$94.0K
Bridgeway Capital Management, LLC	33,400	$86.5K
American Century Companies Inc	21,572	$55.9K
Manufacturers Life Insurance Company, The	19,072	$49.4K
Panagora Asset Management Inc	18,628	$48.2K
Simplex Trading, LLC	15,997	$41.0K
Catalyst Funds Management Pty Ltd	11,400	$29.5K
Group One Trading, L.P.	4,217	$10.9K
Redwood Park Advisors LLC	700	$1.81K
SRS Capital Advisors, Inc.	152	$393

Not filed for Q4 2025 yet (1)

Institutions that held Eledon Pharmaceuticals, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ELDN in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Wolverine Trading, LLC	59,574	$151.3K