Vault-13

SOLANA CO HSDT

COM CL A NEW · Common Stock · CUSIP 42328V876

42 institutional holders -2 vs Q1 2026
15,767,59715.8m shares reported held*
26.1% of all shares outstanding*
$26.0mreported value*
6 new 15 added 7 reduced 8 sold out net bought ≈ $772.9k (+468.4k 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. Holder counts are more reliable. Shares outstanding: 60.5m as of 2026-08-12, 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 ≈ $1.65. Options: 2 managers hold calls ($130.5k notional), 3 hold puts ($33.8k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0204060Q2 25: 2Q3 25: 19Q4 25: 39Q1 26: 44Q2 26: 4242Q2 25Q3 25Q4 25Q1 26Q2 26
Numbers
QuarterHolders
Q2 20252
Q3 202519
Q4 202539
Q1 202644
Q2 202642

Buyers vs sellers

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

Bought or addedCut or sold out
40040Q3 25: 19 bought or addedQ3 25: 2 cut or sold outQ3 25Q4 25: 25 bought or addedQ4 25: 9 cut or sold outQ4 25Q1 26: 17 bought or addedQ1 26: 18 cut or sold outQ1 26Q2 26: 21 bought or addedQ2 26: 15 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 2025192
Q4 2025259
Q1 20261718
Q2 20262115

Calls vs puts

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

CallsPuts
$0$500k$1m$1.5mQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $1.3mQ4 25 puts: $296.8kQ4 25P/C 0.24Q1 26 calls: $184.8kQ1 26 puts: $93.2kQ1 26P/C 0.50Q2 26 calls: $130.5kQ2 26 puts: $33.8kQ2 26P/C 0.26
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$1.3m$296.8k0.24
Q1 2026$184.8k$93.2k0.50
Q2 2026$130.5k$33.8k0.26

Biggest buyers

Pantera Capital Partners LP Added +1,100,000+1.1m
Saba Capital Management, L.P. Added +250,841+250.8k
VANGUARD CAPITAL MANAGEMENT LLC Added +231,429+231.4k
BlackRock, Inc. Added +171,717+171.7k
GEODE CAPITAL MANAGEMENT, LLC Added +141,413+141.4k
WOLVERINE ASSET MANAGEMENT LLC New +114,167+114.2k
VANGUARD FIDUCIARY TRUST CO Added +103,992+104.0k
XTX Topco Ltd Added +66,443+66.4k
CITADEL ADVISORS LLC New +59,742+59.7k
JANE STREET GROUP, LLC New +57,349+57.3k

Biggest sellers

Yorkville Advisors Global, LP Reduced -785,000-785.0k
Hel Ved Capital Management Ltd Sold out -435,983-436.0k
Ghisallo Capital Management LLC Sold out -223,051-223.1k
Polar Asset Management Partners Inc. Sold out -125,253-125.3k
Rockefeller Capital Management L.P. Reduced -100,000-100.0k
MORGAN STANLEY Reduced -83,441-83.4k
Brevan Howard Capital Management LP Sold out -60,234-60.2k
MARSHALL WACE, LLP Sold out -59,607-59.6k
CIBC WORLD MARKET INC. Reduced -29,600-29.6k
GSA CAPITAL PARTNERS LLP Sold out -15,047-15.0k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $89.6k54.3k shares
JANE STREET GROUP, LLC Added $40.9k24.8k shares

Biggest puts

CITADEL ADVISORS LLC Reduced $23.1k14.0k shares
SIMPLEX TRADING, LLC Reduced $8.4k5.1k shares
GROUP ONE TRADING LLC Reduced $2.3k1.4k 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
Fusion Summer Ltd 13D · may seek influence +3.2 pts · filed 2026-05-13 20.2% +3.2 pts 13.3m≈ $22.0m 2026-05-13
Solana Rocket Holdings Ltd 13G · passive no change · filed 2026-08-24 10.0% no change 6.4m≈ $10.5m 2026-08-24
Morehead Daniel Wayne 13D · may seek influence +1.4 pts · filed 2026-09-15
Stated purposeItem 4 of the Statement is hereby amended and supplemented as follows: The information set forth or incorporated in Item 3 and Item 6 of this Amendment is hereby incorporated by reference in its entirety into this Item 4. On September 11, 2026, Blockchain Fund exercised Cash Pre-Funded Warrants for 1,000,000 Class A Common Shares at an exercise price of $0.001 per share, for an aggregate cash payment to the Issuer of $1,000. Other than as described in this Item 4, none of the Reporting Persons presently has any additional plans or proposals that relate to or that would result in any of the transactions or other matters specified in clauses (a) through (j) of Item 4 of this Schedule 13D, but depending on the factors discussed herein, the Reporting Persons may change their purpose or formu… Full filing
9.8% +1.4 pts 6.0m≈ $9.9m 2026-09-15
Kathmere Capital Management, LLC 13G · institution new · filed 2026-03-02 8.7% new 4.6m≈ $7.6m 2026-03-02

Fell to 5% or below in the last year: Polar Asset Management Partners Inc. (4.0%, 2026-05-15)

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 Pantera Capital Partners LP 8.08% of their portfolio SAN FRANCISCO, CA 4,987,3195.0m $8.2m $8.2m 8.08% Added +1.1m +1,100,000
2 Kathmere Capital Management, LLC 0.40% of their portfolio WAYNE, PA 4,594,9604.6m $7.6m $7.6m 0.40% Unchanged
3 Arrington Capital Management, LLC 1.21% of their portfolio MIAMI, FL 658,908658.9k $1.1m $1.1m 1.21% Unchanged
4 BlackRock, Inc. 0.00% of their portfolio New York, NY 632,919632.9k $1.0m $1.0m 0.00% Added +171.7k +171,717
5 VR Advisory Services Ltd 0.09% of their portfolio CAMANA BAY, GRAND CAYMAN, E9 581,310581.3k $959.2k $959.2k 0.09% Unchanged
6 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 560,434560.4k $924.7k $924.7k 0.00% Added +13.2k +13,173
7 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 555,980556.0k $917.4k $917.4k 0.00% Added +231.4k +231,429
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 512,017512.0k $845.2k $845.2k 0.00% Added +141.4k +141,413
9 Saba Capital Management, L.P. 0.02% of their portfolio NEW YORK, NY 316,051316.1k $521.5k $521.5k 0.02% Added +250.8k +250,841
10 Yorkville Advisors Global, LP 0.57% of their portfolio MOUNTAINSIDE, NJ 300,000300.0k $495.0k $495.0k 0.57% Reduced -785.0k -785,000
11 Avenir Tech Ltd 0.08% of their portfolio CENTRAL, HONG KONG, K3 290,655290.7k $479.6k $479.6k 0.08% Unchanged
12 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 255,383255.4k $421.4k $421.4k 0.00% Added +104.0k +103,992
13 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 244,904244.9k $404.1k $404.1k 0.00% Reduced -100.0k -100,000
14 QUATTRO FINANCIAL ADVISORS LLC 0.07% of their portfolio The Woodlands, TX 209,000209.0k $344.9k $344.9k 0.07% Unchanged
15 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 145,600145.6k $240.2k $240.2k 0.00% Unchanged
16 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 136,476136.5k $225.2k $225.2k 0.00% Reduced -83.4k -83,441
17 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 117,400117.4k $193.7k $193.7k 0.00% Reduced -500 -500
18 WOLVERINE ASSET MANAGEMENT LLC 0.00% of their portfolio CHICAGO, IL 114,167114.2k $188.4k $188.4k 0.00% New
19 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 113,255113.3k $186.9k $186.9k 0.00% Added +66.4k +66,443
20 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 108,075108.1k $178.3k $178.3k 0.00% Added +38.8k +38,821
21 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 59,74259.7k $98.6k $98.6k 0.00% New
22 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 59,07159.1k $97.5k $97.5k 0.00% Added +361 +361
23 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 57,34957.3k $94.6k $94.6k 0.00% New
24 Virtu Financial LLC 0.00% of their portfolio New York, NY 26,30126.3k $43.0k $43.0k 0.00% New
25 Grant Private Wealth Management Inc 0.02% of their portfolio PLEASANTON, CA 25,00525.0k $41.3k $41.3k 0.02% Unchanged
26 RED REEF ADVISORS LLC 0.03% of their portfolio BOCA RATON, FL 21,40621.4k $35.3k $35.3k 0.03% Reduced -3.0k -3,000
27 PEAPACK GLADSTONE FINANCIAL CORP 0.00% of their portfolio BEDMINSTER, NJ 17,00017.0k $28.0k $28.0k 0.00% Added +5.0k +5,000
28 UBS Group AG 0.00% of their portfolio ZURICH, V8 16,79016.8k $27.7k $27.7k 0.00% Added +15.6k +15,606
29 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 15,70015.7k $26.0k $26.0k 0.00% Unchanged
30 CIBC WORLD MARKET INC. 0.00% of their portfolio TORONTO, A6 12,30012.3k $20.3k $20.3k 0.00% Reduced -29.6k -29,600
31 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 12,26612.3k $20.2k $20.2k 0.00% Unchanged
32 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,4833.5k $5.7k $5.7k 0.00% Added +3.3k +3,280
33 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 2,3412.3k $3.9k $3.9k 0.00% Reduced -203 -203
34 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 1,8921.9k $3.1k $3.1k 0.00% New
35 WHITTIER TRUST CO OF NEVADA INC 0.00% of their portfolio RENO, NV 750750 $1.4k $1.4k 0.00% Added +393 +393
36 HIGHLINE WEALTH PARTNERS LLC 0.00% of their portfolio SHERMAN OAKS, CA 500500 $825 $825 0.00% Unchanged
37 American Capital Advisory, LLC 0.00% of their portfolio KETCHUM, ID 235235 $388 $388 0.00% Unchanged
38 L1 Global Manager Pty Ltd 0.00% of their portfolio Melbourne, C3 203203 $334 $334 0.00% Unchanged
39 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 192192 $317 $317 0.00% Added +191 +191
40 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 150150 $260 $260 0.00% Unchanged
41 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 107107 $177 $177 0.00% New
42 DANSKE BANK A/S 0.00% of their portfolio COPENHAGEN V, G7 11 $2 $2 0.00% Unchanged