Perspective Therapeutics, Inc.: which funds bought and sold

Institutions that bought and sold Perspective 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, 83 institutions that filed 13F reports for both quarters added to or opened positions in Perspective Therapeutics, and 55 cut or closed them. Together they added a net 4.7M shares, +5.5% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 7.0M shares (+34.9%); index fund managers were net buyers of 8.6M shares (+49.8%). 23 opened a new position and 29 sold out entirely.

Bought, Q2 2026 83 institutions, 23 of them new holders Sold, Q2 2026 55 institutions, 29 of them sold out

Net change, all compared +4.7M shares (+5.5%)

Net change, active managers +7.0M shares (+34.9%), 18 bought, 10 sold

Buyers versus sellers

institutions compared, 158

83 bought 20 55 sold

Active managers and hedge funds 18 bought · 10 sold · +7.0M

Index fund managers 11 bought · 0 sold · +8.6M

Other institutions 54 bought · 45 sold · −10.9M

Biggest buyers

by change in shares held

Biggest buyers
Institution	Change in shares	Shares June 30, 2026	Value
Nantahala Capital Management, LLC Hedge fund	+4.7M New position	4.7M	$15.9M
Blackrock, Inc. Index funds	+4.1M +77.5%	9.5M	$32.4M
State Street Corp Index funds	+2.9M +93.2%	6.1M	$20.6M
Spruce Street Capital LP	+1.1M +40.6%	3.7M	$12.6M
Affinity Asset Advisors, LLC	+1.1M +33.2%	4.2M	$14.4M
Millennium Management LLC Hedge fund	+865K +21.4%	4.9M	$16.7M
Geode Capital Management, LLC Index funds	+692K +39.1%	2.5M	$8.4M
Dimensional Fund Advisors LP	+624K +138.6%	1.1M	$3.7M
Two Sigma Investments, LP Hedge fund	+553K +55.1%	1.6M	$5.3M
Goldman Sachs Group Inc	+491K +39.6%	1.7M	$5.9M
ADAR1 Capital Management, LLC Hedge fund	+461K +61.5%	1.2M	$4.1M
Vanguard Portfolio Management LLC Index funds	+336K +44.6%	1.1M	$3.7M
Balyasny Asset Management L.P. Hedge fund	+326K +10.9%	3.3M	$11.3M
Northern Trust Corp Index funds	+263K +49.7%	792K	$2.7M
Gsa Capital Partners LLP	+256K +687.3%	294K	$1M
Citadel Advisors LLC Hedge fund	+239K +6.7%	3.8M	$13M
Bank Of America Corp	+224K +92.4%	465K	$1.6M
Voya Investment Management LLC	+222K +192.2%	338K	$1.2M
Citigroup Inc	+123K +57.9%	335K	$1.1M
Bank Of New York Mellon Corp	+112K +60.6%	298K	$1M

Biggest buyers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
Nantahala Capital Management, LLC Hedge fund	+4.7M New position	4.7M	$15.9M
Millennium Management LLC Hedge fund	+865K +21.4%	4.9M	$16.7M
Two Sigma Investments, LP Hedge fund	+553K +55.1%	1.6M	$5.3M
ADAR1 Capital Management, LLC Hedge fund	+461K +61.5%	1.2M	$4.1M
Balyasny Asset Management L.P. Hedge fund	+326K +10.9%	3.3M	$11.3M
Citadel Advisors LLC Hedge fund	+239K +6.7%	3.8M	$13M
Walleye Capital LLC Hedge fund	+111K New position	111K	$377,337
American Century Companies Inc Active manager	+85K +238.9%	121K	$412,774
Renaissance Technologies LLC Hedge fund	+59K New position	59K	$201,644
Quadrature Capital Ltd Hedge fund	+44K New position	44K	$150,296

Biggest sellers

by change in shares held

Biggest sellers
Institution	Change in shares	Shares June 30, 2026	Value
Avidity Partners Management LP	−5.8M −47.9%	6.3M	$21.5M
Opaleye Management Inc.	−4.7M Sold out	0	—
Patient Square Capital LP	−1.6M Sold out	0	—
Morgan Stanley	−1.1M −35.9%	1.9M	$6.5M
Octagon Capital Advisors LP	−792K Sold out	0	—
Nuveen, LLC	−573K −63.0%	337K	$1.1M
Jefferies Financial Group Inc.	−183K Sold out	0	—
Ally Bridge Group (NY) LLC	−183K −19.7%	744K	$2.5M
Invesco Ltd.	−178K −77.1%	53K	$180,274
Squarepoint Ops LLC Hedge fund	−169K Sold out	0	—
Rothschild Wealth LLC	−165K Sold out	0	—
Susquehanna International Group, LLP	−157K −84.0%	30K	$101,580
Exoduspoint Capital Management, LP Hedge fund	−117K Sold out	0	—
Wellington Management Group LLP Active manager	−101K −59.9%	67K	$229,987
UBS Group AG	−76K −14.6%	445K	$1.5M
Quantinno Capital Management LP	−65K Sold out	0	—
Corient Private Wealth LP	−62K Sold out	0	—
Bridgeway Capital Management, LLC Active manager	−50K −45.1%	61K	$207,328
Seven Fleet Capital Management LP	−46K −12.3%	333K	$1.1M
Vanguard Global Advisers, LLC	−37K −50.7%	36K	$124,427

Biggest sellers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
Squarepoint Ops LLC Hedge fund	−169K Sold out	0	—
Exoduspoint Capital Management, LP Hedge fund	−117K Sold out	0	—
Wellington Management Group LLP Active manager	−101K −59.9%	67K	$229,987
Bridgeway Capital Management, LLC Active manager	−50K −45.1%	61K	$207,328
Winton Group Ltd Hedge fund	−24K Sold out	0	—
Hudson Bay Capital Management LP Hedge fund	−23K Sold out	0	—
Tudor Investment Corp Et Al Hedge fund	−16K −46.7%	18K	$61,741
Qube Research & Technologies Ltd Hedge fund	−16K Sold out	0	—
Federated Hermes, Inc. Active manager	−5,119 −2.3%	217K	$740,048
Victory Capital Management Inc Active manager	−139 −1.3%	10K	$35,559

New positions

largest by value

Institution	Shares	Value June 30, 2026
Nantahala Capital Management, LLCHedge fund	4.7M	$15.9M
Walleye Capital LLCHedge fund	111K	$377,337
Jump Financial, LLC	61K	$208,692
Renaissance Technologies LLCHedge fund	59K	$201,644
Quadrature Capital LtdHedge fund	44K	$150,296
SG Americas Securities, LLC	36K	$122,000
Xtx Topco Ltd	32K	$107,756
Entrypoint Capital, LLC	30K	$100,991
Aigen Investment Management, LP	21K	$69,936
HSBC Holdings PLC	19K	$67,811

Sold out

largest by value

Institution	Shares	Value March 31, 2026
Opaleye Management Inc.	4.7M	$19.5M
Patient Square Capital LP	1.6M	$6.8M
Octagon Capital Advisors LP	792K	$3.3M
Jefferies Financial Group Inc.	183K	$764,536
Squarepoint Ops LLCHedge fund	169K	$705,343
Rothschild Wealth LLC	165K	$687,304
Exoduspoint Capital Management, LPHedge fund	117K	$488,103
Quantinno Capital Management LP	65K	$273,110
Corient Private Wealth LP	62K	$257,974
Winton Group LtdHedge fund	24K	$101,331

Who holds the shares

13F holdings at June 30, 2026

Institutions reporting: 130
Ten largest holders: 65.1%
Index fund managers: 29.0%
Active managers and hedge funds: 30.4%

Buying and selling by type of institution, March 31, 2026 to June 30, 2026
Type	Bought	Sold	New	Sold out	Net change in shares	Net %
Active managers and hedge funds	18	10	7	5	+7.0M	+34.9%
Index fund managers	11	0	1	0	+8.6M	+49.8%
Other institutions	54	45	15	24	−10.9M	−23.2%

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.

What these filings can and cannot tell you

Form 13F lists the long positions in US-listed shares held by investment managers with more than $100 million in such holdings. Managers file it up to 45 days after each quarter ends, so this page shows what funds held at the end of each quarter, not what they are doing now: a position may have changed since. Short positions, most derivatives and smaller managers are not included, and a cut can mean a fund lost clients or rebalanced rather than a view on Perspective Therapeutics.

Only managers that filed a holdings report for both quarters are compared (158 here). 2 other holders are left out: first-time or late filers, firms that changed their SEC registration, and filings that withheld positions under confidential treatment, any of which would otherwise look like a new position or a sale. Figures are as reported by each manager in the SEC's quarterly 13F data sets; option positions are excluded.

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