undamentalytics Newsletter

Artivion, Inc.: which funds bought and sold

Institutions that bought and sold Artivion 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, 116 institutions that filed 13F reports for both quarters added to or opened positions in Artivion, and 124 cut or closed them. Together they added a net 1.9M shares, +4.2% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 175K shares (−1.6%); index fund managers were net buyers of 417K shares (+3.1%). 33 opened a new position and 66 sold out entirely.

Bought, Q2 2026 116 institutions, 33 of them new holders Sold, Q2 2026 124 institutions, 66 of them sold out
Net change, all compared +1.9M shares (+4.2%)
Net change, active managers −175K shares (−1.6%), 23 bought, 19 sold

Buyers versus sellers

institutions compared, 267
Active managers and hedge funds 23 bought · 19 sold · −175K
Index fund managers 6 bought · 4 sold · +417K
Other institutions 87 bought · 101 sold · +1.6M

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Ophir Asset Management Pty Ltd +849K +89.3% 1.8M $40.4M
Juniper Investment Company, LLC +831K +69.9% 2.0M $45.4M
Citadel Advisors LLC Hedge fund +757K +1067.8% 828K $18.6M
Nomura Asset Management International Inc. +729K +29.7% 3.2M $71.6M
Conestoga Capital Advisors, LLC +448K +38.1% 1.6M $36.5M
D. E. Shaw & Co., Inc. Hedge fund +432K +6614.9% 438K $9.8M
Soleus Capital Management, L.P. Hedge fund +388K New position 388K $8.7M
First Eagle Investment Management, LLC Active manager +382K +122.4% 693K $15.6M
Silvercrest Asset Management Group LLC +363K +54.9% 1.0M $23M
Balyasny Asset Management L.P. Hedge fund +352K +1192.7% 382K $8.6M
Morgan Stanley +289K +12.7% 2.6M $57.5M
Qube Research & Technologies Ltd Hedge fund +275K +136.6% 476K $10.7M
Royce & Associates LP Active manager +214K +50.3% 639K $14.4M
Blackrock, Inc. Index funds +199K +3.1% 6.7M $150M
UBS Group AG +197K +76.9% 454K $10.2M
Quantinno Capital Management LP +190K +1820.0% 200K $4.5M
HRT Financial LP +179K +2399.7% 186K $4.2M
State Street Corp Index funds +176K +10.4% 1.9M $41.8M
Corient Private Wealth LP +159K New position 159K $3.6M
Goldman Sachs Group Inc +132K +43.2% 439K $9.9M

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Next Century Growth Investors LLC −1.0M Sold out 0 —
Loomis Sayles & Co L P Active manager −980K Sold out 0 —
Fred Alger Management, LLC Active manager −745K −61.7% 463K $10.4M
FMR LLC Active manager −620K −24.0% 2.0M $44.1M
Summit Partners Public Asset Management, LLC −606K Sold out 0 —
Peregrine Capital Management LLC −343K Sold out 0 —
Two Sigma Investments, LP Hedge fund −339K −46.6% 387K $8.7M
Osterweis Capital Management Inc −240K Sold out 0 —
Oberweis Asset Management Inc/ Active manager −221K Sold out 0 —
Lord, Abbett & Co. LLC −166K Sold out 0 —
Wasatch Advisors LP Active manager −156K Sold out 0 —
Bridger Management, LLC −133K Sold out 0 —
Thornburg Investment Management Inc Active manager −130K Sold out 0 —
Congress Asset Management Co Active manager −127K Sold out 0 —
First Trust Advisors LP −113K −74.8% 38K $857,657
Parkman Healthcare Partners LLC −113K −44.9% 139K $3.1M
Sei Investments Co −111K −65.9% 57K $1.3M
Dimensional Fund Advisors LP −80K −7.7% 948K $21.3M
New York State Common Retirement Fund −73K −83.4% 14K $324,287
Trexquant Investment LP Hedge fund −71K Sold out 0 —

New positions

largest by value
InstitutionSharesValue June 30, 2026
Soleus Capital Management, L.P.Hedge fund 388K $8.7M
Corient Private Wealth LP 159K $3.6M
Lazard Asset Management LLCActive manager 83K $1.9M
Renaissance Technologies LLCHedge fund 68K $1.5M
Sio Capital Management, LLC 48K $1.1M
Verition Fund Management LLCHedge fund 32K $729,399
Jain Global LLCHedge fund 30K $680,908
Brevan Howard Capital Management LPHedge fund 29K $652,461
Y-Intercept (Hong Kong) Ltd 27K $600,735
Tocqueville Asset Management L.P.Active manager 25K $561,750

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Next Century Growth Investors LLC 1.0M $37.5M
Loomis Sayles & Co L PActive manager 980K $35.9M
Summit Partners Public Asset Management, LLC 606K $22.2M
Peregrine Capital Management LLC 343K $12.6M
Osterweis Capital Management Inc 240K $8.8M
Oberweis Asset Management Inc/Active manager 221K $8.1M
Lord, Abbett & Co. LLC 166K $6.1M
Wasatch Advisors LPActive manager 156K $5.7M
Bridger Management, LLC 133K $4.9M
Thornburg Investment Management IncActive manager 130K $4.8M

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
204
Ten largest holders
54.9%
of 13F-reported shares
Index fund managers
30.3%
of 13F-reported shares
Active managers and hedge funds
23.2%
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 23 19 9 10 −175K −1.6%
Index fund managers 6 4 0 1 +417K +3.1%
Other institutions 87 101 24 55 +1.6M +8.3%

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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