undamentalytics Newsletter

Surgery Partners, Inc.: which funds bought and sold

Institutions that bought and sold Surgery Partners 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, 105 institutions that filed 13F reports for both quarters added to or opened positions in Surgery Partners, and 78 cut or closed them. Together they sold a net 1.7M shares, −1.2% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 4.5M shares (−10.4%); index fund managers were net buyers of 1.1M shares (+5.9%). 32 opened a new position and 27 sold out entirely.

Bought, Q2 2026 105 institutions, 32 of them new holders Sold, Q2 2026 78 institutions, 27 of them sold out
Net change, all compared −1.7M shares (−1.2%)
Net change, active managers −4.5M shares (−10.4%), 14 bought, 23 sold

Buyers versus sellers

institutions compared, 211
Active managers and hedge funds 14 bought · 23 sold · −4.5M
Index fund managers 8 bought · 2 sold · +1.1M
Other institutions 83 bought · 53 sold · +1.7M

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
T. Rowe Price Investment Management, Inc. Active manager +4.0M +203.4% 5.9M $99.4M
Hein Park Capital Management LP +1.1M New position 1.1M $18M
HSBC Holdings PLC +1.0M +54.5% 3.0M $48.9M
Oaktree Capital Management LP +863K New position 863K $14.5M
Nomura Holdings Inc +802K +110.9% 1.5M $25.6M
Blackrock, Inc. Index funds +581K +10.3% 6.2M $105M
Kennedy Capital Management LLC Active manager +391K +249.9% 548K $9.2M
Victory Capital Management Inc Active manager +323K +42.5% 1.1M $18.2M
LMR Partners LLP Hedge fund +261K +23.7% 1.4M $22.9M
Varde Management, L.P. +248K +32.8% 1.0M $16.9M
Morgan Stanley +221K +21.8% 1.2M $20.7M
Prelude Capital Management, LLC +191K +688.7% 219K $3.7M
State Street Corp Index funds +187K +9.6% 2.1M $36M
Penn Capital Management Company, LLC Active manager +175K New position 175K $2.9M
Allianz Asset Management Gmbh +140K New position 140K $2.4M
Renaissance Technologies LLC Hedge fund +130K New position 130K $2.2M
Geode Capital Management, LLC Index funds +114K +5.7% 2.1M $35.6M
Vanguard Portfolio Management LLC Index funds +109K +3.0% 3.7M $62.8M
First Trust Advisors LP +100K +246.3% 141K $2.4M
TD Asset Management Inc +92K +139.8% 158K $2.7M

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
King Street Capital Management, L.P. Hedge fund −4.2M −40.8% 6.1M $102M
Glenview Capital Management, LLC Hedge fund −1.8M Sold out 0 —
UBS Group AG −1.6M −15.9% 8.6M $144M
Pentwater Capital Management LP Hedge fund −1.0M −8.1% 11.6M $195M
Irenic Capital Management LP Hedge fund −711K Sold out 0 —
Millennium Management LLC Hedge fund −424K Sold out 0 —
Dimensional Fund Advisors LP −353K −6.7% 4.9M $83.1M
Clearline Capital LP Hedge fund −314K Sold out 0 —
Clearbridge Investments, LLC Active manager −295K −7.2% 3.8M $64.2M
Man Group PLC Hedge fund −249K −26.3% 698K $11.7M
SG Americas Securities, LLC −245K −94.7% 14K $228,000
Centiva Capital, LP Hedge fund −206K −97.6% 5,000 $84,000
Goldman Sachs Group Inc −201K −15.7% 1.1M $18.1M
Sea Cliff Partners Management, LP −194K −18.7% 846K $14.2M
Hudson Bay Capital Management LP Hedge fund −181K −29.8% 427K $7.2M
BNP Paribas Financial Markets −171K −60.7% 111K $1.9M
State Of Wisconsin Investment Board −130K −92.6% 10K $175,409
Rock Springs Capital Management LP Hedge fund −124K −59.6% 84K $1.4M
Wesbanco Bank Inc −120K Sold out 0 —
UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC −118K −7.4% 1.5M $24.7M

New positions

largest by value
InstitutionSharesValue June 30, 2026
Hein Park Capital Management LP 1.1M $18M
Oaktree Capital Management LP 863K $14.5M
Penn Capital Management Company, LLCActive manager 175K $2.9M
Allianz Asset Management Gmbh 140K $2.4M
Renaissance Technologies LLCHedge fund 130K $2.2M
Mirabella Financial Services LLP 65K $1.1M
Balyasny Asset Management L.P.Hedge fund 64K $1.1M
Zacks Investment Management 64K $1.1M
Sei Investments Co 33K $552,115
Natixis Advisors, LLC 26K $443,000

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Glenview Capital Management, LLCHedge fund 1.8M $21.5M
Irenic Capital Management LPHedge fund 711K $8.5M
Millennium Management LLCHedge fund 424K $5.1M
Clearline Capital LPHedge fund 314K $3.7M
Wesbanco Bank Inc 120K $1.4M
Bridgeway Capital Management, LLCActive manager 100K $1.2M
Tig Advisors, LLC 86K $1M
Jane Street Group, LLC 72K $855,737
Mangrove Partners Im, LLCHedge fund 40K $471,138
Imc-Chicago, LLC 32K $377,578

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
187
Ten largest holders
72.7%
of 13F-reported shares
Index fund managers
12.8%
of 13F-reported shares
Active managers and hedge funds
24.6%
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 14 23 4 9 −4.5M −10.4%
Index fund managers 8 2 0 0 +1.1M +5.9%
Other institutions 83 53 28 18 +1.7M +2.0%

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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