Vault-13

ELEDON PHARMACEUTICALS INC ELDN

COM · Common Stock · CUSIP 28617K101

161 institutional holders +40 vs Q1 2026
46,931,42046.9m shares reported held*
57.8% of all shares outstanding*
$184.8mreported value*
50 new 62 added 22 reduced 9 sold out net bought ≈ $17.0m (+4.3m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($22.8k this quarter). Holder counts are more reliable. Shares outstanding: 81.3m as of 2026-08-10, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.94. Options: 6 managers hold calls ($939.8k notional), 5 hold puts ($5.3m).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 32Q4 22: 28Q1 23: 31Q2 23: 34Q3 23: 29Q4 23: 30Q1 24: 30Q2 24: 33Q3 24: 34Q4 24: 76Q1 25: 84Q2 25: 86Q3 25: 83Q4 25: 95Q1 26: 121Q2 26: 161161Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202232
Q4 202228
Q1 202331
Q2 202334
Q3 202329
Q4 202330
Q1 202430
Q2 202433
Q3 202434
Q4 202476
Q1 202584
Q2 202586
Q3 202583
Q4 202595
Q1 2026121
Q2 2026161

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q3 24: 11 bought or addedQ3 24: 8 cut or sold outQ4 24: 58 bought or addedQ4 24: 5 cut or sold outQ4 24Q1 25: 34 bought or addedQ1 25: 31 cut or sold outQ2 25: 49 bought or addedQ2 25: 40 cut or sold outQ2 25Q3 25: 44 bought or addedQ3 25: 43 cut or sold outQ4 25: 59 bought or addedQ4 25: 36 cut or sold outQ4 25Q1 26: 73 bought or addedQ1 26: 35 cut or sold outQ2 26: 112 bought or addedQ2 26: 31 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 2024118
Q4 2024585
Q1 20253431
Q2 20254940
Q3 20254443
Q4 20255936
Q1 20267335
Q2 202611231

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6mQ3 25 calls: $16.0kQ3 25 puts: $1.4mQ3 25P/C 85.81Q4 25 calls: $152.7kQ4 25 puts: $86.7kQ4 25P/C 0.57Q1 26 calls: $649.3kQ1 26 puts: $37.9kQ1 26P/C 0.06Q2 26 calls: $939.8kQ2 26 puts: $5.3mQ2 26P/C 5.62
Numbers
QuarterCallsPutsP/C
Q3 2025$16.0k$1.4m85.81
Q4 2025$152.7k$86.7k0.57
Q1 2026$649.3k$37.9k0.06
Q2 2026$939.8k$5.3m5.62

Biggest buyers

GOLDMAN SACHS GROUP INC Added +2,140,218+2.1m
MILLENNIUM MANAGEMENT LLC New +979,712+979.7k
BlackRock, Inc. Added +741,597+741.6k
UBS Group AG Added +500,798+500.8k
DIMENSIONAL FUND ADVISORS LP Added +471,657+471.7k
STATE STREET CORP Added +467,298+467.3k
AQR CAPITAL MANAGEMENT LLC Added +408,611+408.6k
MORGAN STANLEY Added +339,934+339.9k
Triumph Capital Management New +303,443+303.4k
CITADEL ADVISORS LLC New +215,973+216.0k

Biggest sellers

Jefferies Financial Group Inc. Sold out -1,094,456-1.1m
Blue Owl Capital Holdings LP Reduced -853,403-853.4k
Sanofi Sold out -814,980-815.0k
SG Americas Securities, LLC Sold out -635,845-635.8k
SPHERA FUNDS MANAGEMENT LTD. Reduced -580,944-580.9k
Ensign Peak Advisors, Inc Reduced -363,695-363.7k
ADAR1 Capital Management, LLC Reduced -326,609-326.6k
Zimmer Partners, LP Reduced -278,401-278.4k
CM Management, LLC Reduced -75,000-75.0k
Defilade Capital Management, L.P. Reduced -38,789-38.8k

Biggest calls

Blue Owl Capital Holdings LP New $285.0k200.0k shares
GROUP ONE TRADING LLC Reduced $270.7k68.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP New $236.0k59.9k shares
CITADEL ADVISORS LLC Reduced $60.3k15.3k shares
JANE STREET GROUP, LLC Reduced $57.5k14.6k shares
SIMPLEX TRADING, LLC Reduced $30.3k7.7k shares

Biggest puts

SIMPLEX TRADING, LLC Added $1.3m318.7k shares
CITADEL ADVISORS LLC New $1.1m279.4k shares
JANE STREET GROUP, LLC New $1.1m278.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP New $978.3k248.3k shares
GROUP ONE TRADING LLC Added $847.5k215.1k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BIOTECHNOLOGY VALUE FUND L P 13G · passive investor filed 2026-05-15 10.0% 7.9m≈ $31.0m 2026-05-15
BlackRock, Inc. 13G · institution +1.2 pts · filed 2026-04-27 5.8% +1.2 pts 4.4m≈ $17.3m 2026-04-27
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-07-31 5.0% new 3.9m≈ $15.4m 2026-07-31

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), RA CAPITAL MANAGEMENT, L.P. (0.0%, 2026-02-17), Coastlands Capital LP (5.0%, 2026-02-13)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BVF INC/IL 0.63% of their portfolio San Francisco, CA 6,293,2826.3m $24.8m $24.8m 0.63% Unchanged
2 BlackRock, Inc. 0.00% of their portfolio New York, NY 5,123,8425.1m $20.2m $20.2m 0.00% Added +741.6k +741,597
3 Defilade Capital Management, L.P. 1.86% of their portfolio EMERYVILLE, CA 3,525,3383.5m $13.9m $13.9m 1.86% Reduced -38.8k -38,789
4 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 3,417,2233.4m $13.5m $13.5m 0.00% Added +124.1k +124,089
5 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 2,510,3082.5m $9.9m $9.9m 0.00% Added +2.1m +2,140,218
6 Ensign Peak Advisors, Inc 0.01% of their portfolio SALT LAKE CITY, UT 2,101,2242.1m $8.3m $8.3m 0.01% Reduced -363.7k -363,695
7 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 1,956,6012.0m $7.7m $7.7m 0.00% Added +164.8k +164,818
8 Catalio Capital Management, LP 1.26% of their portfolio NEW YORK, NY 1,695,0711.7m $6.7m $6.7m 1.26% Added +55.3k +55,255
9 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,621,9691.6m $6.4m $6.4m 0.00% Added +467.3k +467,298
10 Zimmer Partners, LP 0.15% of their portfolio NEW YORK, NY 1,596,5991.6m $6.3m $6.3m 0.15% Reduced -278.4k -278,401
11 SPHERA FUNDS MANAGEMENT LTD. 0.67% of their portfolio TEL AVIV, L3 1,191,1871.2m $4.7m $4.7m 0.67% Reduced -580.9k -580,944
12 AWM Investment Company, Inc. 0.38% of their portfolio NEW YORK, NY 1,100,0001.1m $4.3m $4.3m 0.38% Unchanged
13 UBS Group AG 0.00% of their portfolio ZURICH, V8 1,048,2451.0m $4.1m $4.1m 0.00% Added +500.8k +500,798
14 KINGDON CAPITAL MANAGEMENT, L.L.C. 0.55% of their portfolio NEW YORK, NY 1,039,2751.0m $4.1m $4.1m 0.55% Unchanged
15 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 979,712979.7k $3.9m $3.9m 0.00% New
16 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 883,097883.1k $3.5m $3.5m 0.00% Added +13.6k +13,553
17 ADAR1 Capital Management, LLC 0.12% of their portfolio AUSTIN, TX 647,812647.8k $2.6m $2.6m 0.12% Reduced -326.6k -326,609
18 22NW, LP 2.40% of their portfolio SEATTLE, WA 636,364636.4k $2.5m $2.5m 2.40% Unchanged
19 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 616,399616.4k $2.4m $2.4m 0.00% Added +72.6k +72,557
20 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 581,028581.0k $2.3m $2.3m 0.00% Added +408.6k +408,611
21 CM Management, LLC 1.44% of their portfolio GULF BREEZE, FL 575,000575.0k $2.3m $2.3m 1.44% Reduced -75.0k -75,000
22 Blue Owl Capital Holdings LP 0.34% of their portfolio New York, NY 566,509566.5k $2.2m $2.2m 0.34% Reduced -853.4k -853,403
23 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 538,738538.7k $2.1m $2.1m 0.00% Added +471.7k +471,657
24 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 533,365533.4k $2.1m $2.1m 0.00% Added +103.5k +103,476
25 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 528,963529.0k $2.1m $2.1m 0.00% Added +25.2k +25,199
26 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 485,092485.1k $1.9m $1.9m 0.00% Added +339.9k +339,934
27 Brevan Howard Capital Management LP 0.02% of their portfolio ST. HELIER, Y9 304,707304.7k $1.2m $1.2m 0.02% Added +76.2k +76,150
28 Triumph Capital Management 0.22% of their portfolio DENVER, CO 303,443303.4k $1.2m $1.2m 0.22% New
29 BIT Capital GmbH 0.04% of their portfolio BERLIN, 2M 266,000266.0k $1.0m $1.0m 0.04% Added +132.0k +132,000
30 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 252,232252.2k $993.8k $993.8k 0.00% Added +142.3k +142,283
31 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 247,404247.4k $974.8k $974.8k 0.00% Added +53.4k +53,382
32 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 215,973216.0k $850.9k $850.9k 0.00% New
33 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 209,097209.1k $823.8k $823.8k 0.00% Added +132.8k +132,805
34 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 200,900200.9k $791.5k $791.5k 0.00% Added +176.3k +176,300
35 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 166,927166.9k $657.7k $657.7k 0.00% Added +22.8k +22,779
36 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 119,890119.9k $472.0k $472.0k 0.00% Added +71.7k +71,688
37 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 111,695111.7k $440.1k $440.1k 0.00% Added +36.7k +36,735
38 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 109,841109.8k $432.8k $432.8k 0.00% New
39 Maven Securities LTD 0.04% of their portfolio ST HELIER, Y9 100,000100.0k $394.0k $394.0k 0.04% New
40 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 88,60988.6k $349.1k $349.1k 0.00% Added +41.0k +40,983
41 SIMPLEX TRADING, LLC 0.01% of their portfolio CHICAGO, IL 88,59788.6k $349.1k $349.1k 0.01% New
42 Prodigy Asset Management LLC 0.10% of their portfolio OMAHA, NE 86,70386.7k $341.6k $341.6k 0.10% New
43 Daytona Street Capital LLC 0.23% of their portfolio SAINT LOUIS, MO 81,16681.2k $313.3k $313.3k 0.23% Unchanged
44 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 76,64376.6k $302.0k $302.0k 0.00% Reduced -12.7k -12,707
45 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 74,94474.9k $295.3k $295.3k 0.00% Added +38.4k +38,375
46 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 72,66672.7k $286.3k $286.3k 0.00% Added +1.0k +1,000
47 Susquehanna Portfolio Strategies, LLC 0.00% of their portfolio Bala Cynwyd, PA 71,91971.9k $283.4k $283.4k 0.00% Added +61.8k +61,787
48 Shay Capital LLC 0.03% of their portfolio NEW YORK, NY 64,00064.0k $252.2k $252.2k 0.03% New
49 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 63,98464.0k $253.0k $253.0k 0.00% Added +13.8k +13,822
50 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 59,29759.3k $233.6k $233.6k 0.00% Added +28.3k +28,329
51 PW Nova Financial Services LLC 0.05% of their portfolio NEWTOWN, PA 58,04158.0k $228.7k $228.7k 0.05% Unchanged
52 INGALLS & SNYDER LLC 0.01% of their portfolio NEW YORK, NY 51,84951.8k $204.0k $204.0k 0.01% Unchanged
53 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 51,01151.0k $201.0k $201.0k 0.00% New
54 Mariner, LLC 0.00% of their portfolio Overland Park, KS 50,04150.0k $197.1k $197.1k 0.00% New
55 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 48,16548.2k $189.8k $189.8k 0.00% New
56 GSA CAPITAL PARTNERS LLP 0.01% of their portfolio LONDON, X0 42,02842.0k $166.0k $166.0k 0.01% New
57 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 40,92340.9k $161.2k $161.2k 0.00% Added +35.6k +35,628
58 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 40,91840.9k $161.2k $161.2k 0.00% Reduced -1.2k -1,187
59 Kera Capital Partners, Inc. 0.02% of their portfolio SACRAMENTO, CA 40,20840.2k $158.4k $158.4k 0.02% Added +300 +300
60 Virtu Financial LLC 0.00% of their portfolio New York, NY 40,04340.0k $158.0k $158.0k 0.00% New
61 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 38,30738.3k $150.9k $150.9k 0.00% Reduced -27.9k -27,928
62 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 36,07836.1k $142.1k $142.1k 0.00% Added +32.6k +32,580
63 NAVELLIER & ASSOCIATES INC 0.01% of their portfolio Reno, NV 35,92535.9k $141.5k $141.5k 0.01% New
64 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 35,47335.5k $139.8k $139.8k 0.00% Added +419 +419
65 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 35,41335.4k $139.5k $139.5k 0.00% Added +21.4k +21,436
66 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 34,61534.6k $133.3k $133.3k 0.00% New
67 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 33,49933.5k $132.0k $132.0k 0.00% Added +18.4k +18,357
68 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 32,94532.9k $129.8k $129.8k 0.00% New
69 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 32,40032.4k $99.8k $99.8k 0.00% New
70 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 32,31132.3k $125.4k $125.4k 0.00% Added +1.9k +1,948
71 MARCO INVESTMENT MANAGEMENT LLC 0.01% of their portfolio ATLANTA, GA 30,34430.3k $119.6k $119.6k 0.01% Unchanged
72 Retirement Planning Group, LLC 0.00% of their portfolio LEAWOOD, KS 30,00130.0k $118.2k $118.2k 0.00% New
73 HOWARD FINANCIAL SERVICES, LTD. 0.01% of their portfolio DALLAS, TX 30,00030.0k $118.2k $118.2k 0.01% Unchanged
74 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 28,86728.9k $113.7k $113.7k 0.00% Added +520 +520
75 KESTRA PRIVATE WEALTH SERVICES, LLC 0.00% of their portfolio AUSTIN, TX 27,50027.5k $108.3k $108.3k 0.00% Added +2.5k +2,500
76 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 27,12127.1k $106.9k $106.9k 0.00% New
77 Cerity Partners LLC 0.00% of their portfolio NEW YORK, NY 26,59726.6k $104.8k $104.8k 0.00% New
78 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 24,93624.9k $98.2k $98.2k 0.00% Added +2.7k +2,705
79 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 24,72524.7k $97.4k $97.4k 0.00% Reduced -5.1k -5,149
80 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 23,50823.5k $92.6k $92.6k 0.00% Added +11.7k +11,652
81 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 23,45923.5k $92.4k $92.4k 0.00% New
82 Scientech Research LLC 0.07% of their portfolio JERSEY CITY, NJ 22,84422.8k $90.0k $90.0k 0.07% New
83 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 22,37922.4k $88.2k $88.2k 0.00% New
84 Private Advisor Group, LLC 0.00% of their portfolio MORRISTOWN, NJ 21,76021.8k $85.7k $85.7k 0.00% New
85 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 21,45121.5k $84.5k $84.5k 0.00% Added +1.0k +1,017
86 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 21,28121.3k $83.8k $83.8k 0.00% New
87 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 19,95220.0k $75.4k $75.4k 0.00% Added +5.0k +4,952
88 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 19,43419.4k $76.6k $76.6k 0.00% Reduced -897 -897
89 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 18,12818.1k $71.4k $71.4k 0.00% New
90 Relyea Zuckerberg Hanson LLC 0.01% of their portfolio STAMFORD, CT 17,00017.0k $67.0k $67.0k 0.01% Added +5.0k +5,000
91 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 16,55616.6k $65.2k $65.2k 0.00% New
92 Baker Ellis Asset Management LLC 0.01% of their portfolio Vancouver, WA 16,00016.0k $63.0k $63.0k 0.01% Reduced -3.0k -3,000
93 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 16,00016.0k $63.0k $63.0k 0.00% New
94 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 15,90615.9k $62.7k $62.7k 0.00% Added +2.7k +2,690
95 BLAIR WILLIAM & CO/IL 0.00% of their portfolio CHICAGO, IL 14,94314.9k $58.9k $58.9k 0.00% Added +427 +427
96 Independent Advisor Alliance 0.00% of their portfolio CHARLOTTE, NC 14,30014.3k $56.3k $56.3k 0.00% New
97 Revolve Wealth Partners, LLC 0.01% of their portfolio Hackensack, NJ 14,14314.1k $55.7k $55.7k 0.01% Unchanged
98 Waverly Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 13,85213.9k $54.6k $54.6k 0.00% Added +1.3k +1,278
99 CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio RALEIGH, NC 13,66713.7k $53.8k $53.8k 0.00% New
100 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 13,24613.2k $52.2k $52.2k 0.00% New