undamentalytics Newsletter

Astrotech Corp: which funds bought and sold

Institutions that bought and sold Astrotech shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 7 institutions that filed 13F reports for both quarters added to or opened positions in Astrotech, and 8 cut or closed them. Together they added a net 59K shares, +52.2% on what they held at the start of the quarter. 4 opened a new position and 2 sold out entirely.

Bought, Q2 2026 7 institutions, 4 of them new holders Sold, Q2 2026 8 institutions, 2 of them sold out
Net change, all compared +59K shares (+52.2%)
Net change, active managers 0 shares (—), 0 bought, 0 sold

Buyers versus sellers

institutions compared, 19
Active managers and hedge funds 0 bought · 0 sold · 0
Index fund managers 3 bought · 1 sold · +24K
Other institutions 4 bought · 7 sold · +35K

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Jane Street Group, LLC +55K New position 55K $597,583
Vanguard Capital Management LLC Index funds +13K +142.9% 22K $243,792
State Street Corp Index funds +11K New position 11K $120,697
Vanguard Fiduciary Trust Co Index funds +3,617 +83.4% 7,956 $86,760
Jones Financial Companies LLLP +886 New position 886 $8,249
Morgan Stanley +77 New position 77 $840
Harbour Investments, Inc. +3 +37.5% 11 $120

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
T3 Companies, LLC −13K Sold out 0 —
Caitong International Asset Management Co., Ltd −4,031 −99.9% 6 $65
Geode Capital Management, LLC Index funds −3,814 −19.7% 16K $169,423
Tower Research Capital LLC (TRC) −1,593 −70.5% 667 $7,274
Vanguard Global Advisers, LLC −911 Sold out 0 —
Scs Capital Management LLC −761 −6.5% 11K $119,955
UBS Group AG −136 −68.0% 64 $698
Sbi Securities Co., Ltd. −3 −23.1% 10 $109

New positions

largest by value
InstitutionSharesValue June 30, 2026
Jane Street Group, LLC 55K $597,583
State Street CorpIndex funds 11K $120,697
Jones Financial Companies LLLP 886 $8,249
Morgan Stanley 77 $840

Sold out

largest by value
InstitutionSharesValue March 31, 2026
T3 Companies, LLC 13K $70,045
Vanguard Global Advisers, LLC 911 $4,765

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
17
Ten largest holders
99.9%
of 13F-reported shares
Index fund managers
44.8%
of 13F-reported shares
Active managers and hedge funds
0.0%
of 13F-reported shares
Buying and selling by type of institution, March 31, 2026 to June 30, 2026
TypeBoughtSoldNewSold outNet change in sharesNet %
Active managers and hedge funds 0 0 0 0 0 —
Index fund managers 3 1 1 0 +24K +45.3%
Other institutions 4 7 3 2 +35K +58.3%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

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