undamentalytics Newsletter

Aprea Therapeutics, Inc.: which funds bought and sold

Institutions that bought and sold Aprea Therapeutics 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, 14 institutions that filed 13F reports for both quarters added to or opened positions in Aprea Therapeutics, and 7 cut or closed them. Together they added a net 332K shares, +14.8% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 345K shares (+59.4%); index fund managers were net sellers of 29K shares (−15.4%). 8 opened a new position and 2 sold out entirely.

Bought, Q2 2026 14 institutions, 8 of them new holders Sold, Q2 2026 7 institutions, 2 of them sold out
Net change, all compared +332K shares (+14.8%)
Net change, active managers +345K shares (+59.4%), 4 bought, 0 sold

Buyers versus sellers

institutions compared, 30
Active managers and hedge funds 4 bought · 0 sold · +345K
Index fund managers 2 bought · 2 sold · −29K
Other institutions 8 bought · 5 sold · +16K

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Nantahala Capital Management, LLC Hedge fund +206K +100.0% 412K $330,162
Renaissance Technologies LLC Hedge fund +81K +321.5% 106K $84,883
Citadel Advisors LLC Hedge fund +59K New position 59K $47,015
Diadema Partners LP +45K New position 45K $36,029
Susquehanna International Group, LLP +22K +168.4% 35K $28,032
Northern Trust Corp Index funds +14K New position 14K $10,996
Persistent Asset Partners Ltd +11K New position 11K $9,218
Xtx Topco Ltd +11K New position 11K $8,476
BNP Paribas Financial Markets +5,394 +13.5% 45K $36,273
Morgan Stanley +3,500 +15.7% 26K $20,723
Vanguard Capital Management LLC Index funds +3,260 +16.6% 23K $18,351
Barclays PLC +473 New position 473 $379
Integrated Wealth Concepts LLC +46 New position 46 $36
FMR LLC Active manager +45 New position 45 $36

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Scientech Research LLC −60K Sold out 0 —
Geode Capital Management, LLC Index funds −44K −37.2% 75K $60,072
Two Sigma Securities, LLC −14K Sold out 0 —
LPL Financial LLC −5,000 −23.8% 16K $12,879
UBS Group AG −2,150 −99.9% 3 $2
Tower Research Capital LLC (TRC) −1,537 −30.0% 3,590 $2,880
Blackrock, Inc. Index funds −1,331 −15.7% 7,173 $5,755

New positions

largest by value
InstitutionSharesValue June 30, 2026
Citadel Advisors LLCHedge fund 59K $47,015
Diadema Partners LP 45K $36,029
Northern Trust CorpIndex funds 14K $10,996
Persistent Asset Partners Ltd 11K $9,218
Xtx Topco Ltd 11K $8,476
Barclays PLC 473 $379
FMR LLCActive manager 45 $36
Integrated Wealth Concepts LLC 46 $36

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Scientech Research LLC 60K $45,988
Two Sigma Securities, LLC 14K $10,299

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
28
Ten largest holders
93.7%
of 13F-reported shares
Index fund managers
6.1%
of 13F-reported shares
Active managers and hedge funds
35.9%
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 4 0 2 0 +345K +59.4%
Index fund managers 2 2 1 0 −29K −15.4%
Other institutions 8 5 5 2 +16K +1.1%

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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