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Smart Money

Which funds have the most focused books?

Institutional funds ranked by a disclosed focus score: breadth-adjusted top-10 focus, reported book growth, and evidence-adjusted insider co-buy. Holding count is diagnostic, not a second focus factor. Only positively classified conviction filers appear here (hedge funds, private equity, family offices, holding companies), never unclassified, wealth, pension, or index books. This is an attention filter for focused 13F books, not a proof that the manager made money. Track record belongs in the copy-return layer.

Quarter ended 2026-03-31SEC EDGAR 13F + Form 4 · 2026-03-31

Score formula

0-100 tie-aware percentile blend · per quarter · price-free

Holding count remains visible as a breadth diagnostic. It does not add a second set of focus points.

40%Adjusted book focus

Top-10 share above the equal-weight baseline for the same book size, capped at 90%. A 10-name book gets neutral focus evidence; the evidence ramps in linearly from 11 to 20 names.

20%Reported book growth

Quarter-over-quarter reported book growth, capped to avoid outliers.

40%Evidence-adjusted co-buy

Insider matches are shrunk toward the quarter baseline with 10 prior observations.

Fund focus score

Score 0-100 · formula shown · not a return ranking

193
EcoR1 Capital, LLC
89.5% in top 10 · 29 holdings
Adjusted focus
Book growth
Co-buy 6/14
Newly buyingCNTAAKTSCGONETONRLAY
293
Gendell Jeffrey L
79.9% in top 10 · 100 holdings
Adjusted focus
Book growth
Co-buy 14/45
Newly buyingAMROCTPCWTMRIG
391
Hound Partners, LLC
79.7% in top 10 · 34 holdings
Adjusted focus
Book growth
Co-buy 9/22
Newly buyingNCLHNVDAHOODBRK/BNFLX
491
Avidity Partners Management LP
80.5% in top 10 · 51 holdings
Adjusted focus
Book growth
Co-buy 11/38
Newly buyingORKACATXELVNTEVARGEN
590
Hill City Capital, LP
82.8% in top 10 · 23 holdings
Adjusted focus
Book growth
Co-buy 6/11
Newly buyingFSLRIPCRHBAJHX
689
Sessa Capital IM, L.P.
81.7% in top 10 · 31 holdings
Adjusted focus
Book growth
Co-buy 6/13
Newly buyingHUMKMBALLYSHCTFX
789
Samsara BioCapital, LLC
92% in top 10 · 22 holdings
Adjusted focus
Book growth
Co-buy 2/5
Newly buyingALMSSGPSTROAGMBCHRS
888
Tyro Capital Management LLC
80.6% in top 10 · 23 holdings
Adjusted focus
Book growth
Co-buy 7/23
Newly buyingESTACRSCRHSNCROX
988
Proem Advisors LLC
73.9% in top 10 · 29 holdings
Adjusted focus
Book growth
Co-buy 7/21
Newly buyingNVDAAVGOMSFTAAPLAPP
1088
North Reef Capital Management LP
65.6% in top 10 · 60 holdings
Adjusted focus
Book growth
Co-buy 15/40
Newly buyingFHNMKTXABCBKEYALKT
1188
Insight Holdings Group, LLC
89.7% in top 10 · 28 holdings
Adjusted focus
Book growth
Co-buy 6/21
Newly buyingEQPTNVDAGOOGLAMZNTSM
1287
Wallace Capital Management Inc.
75.9% in top 10 · 75 holdings
Adjusted focus
Book growth
Co-buy 5/15
Newly buyingUHAL/BMHKTAPGLIBKIMKTA
1387
Black Maple Capital Management LP
61.3% in top 10 · 80 holdings
Adjusted focus
Book growth
Co-buy 13/36
Newly buyingEXEPNFPALKBACBANC
1486
Conversant Capital LLC
93.5% in top 10 · 16 holdings
Adjusted focus
Book growth
Co-buy 7/12
Newly buyingSNDAINVHJANCCISMA
1585
Ulysses Management LLC
87.9% in top 10 · 28 holdings
Adjusted focus
Book growth
Co-buy 2/8
Newly buyingSSYSGLDNTBGOOGLUSB
1684
Crake Asset Management LLP
86.6% in top 10 · 20 holdings
Adjusted focus
Book growth
Co-buy 4/15
Newly buyingMSFTAMZNAVGOLUVGOOG
1783
Redmile Group, LLC
81.9% in top 10 · 35 holdings
Adjusted focus
Book growth
Co-buy 3/11
Newly buyingSRRKSTOKANNXALXOXENE
1883
Infinitum Asset Management, LLC
85% in top 10 · 21 holdings
Adjusted focus
Book growth
Co-buy 3/11
Newly buyingSEAVBPUGTLBMANE
1983
Luxor Capital Group, LP
71.2% in top 10 · 37 holdings
Adjusted focus
Book growth
Co-buy 5/16
Newly buyingNRGTSMBKDHROWBDX
2082
Prosight Management, LP
65% in top 10 · 46 holdings
Adjusted focus
Book growth
Co-buy 10/35
Newly buyingNKTRBSXJANXPRCTLKFT
2182
Avantyr Capital Partners, LP
74% in top 10 · 22 holdings
Adjusted focus
Book growth
Co-buy 6/19
Newly buyingJCIVASMLUSFDVMC
2282
Lansdowne Partners (UK) LLP
91.8% in top 10 · 22 holdings
Adjusted focus
Book growth
Co-buy 4/20
Newly buyingTSMLINADIDALSLB
2382
Engine Capital Management, LP
79.6% in top 10 · 26 holdings
Adjusted focus
Book growth
Co-buy 3/11
Newly buyingAVTRDNOWBCOKBROFIX
2481
Octagon Capital Advisors LP
69.1% in top 10 · 28 holdings
Adjusted focus
Book growth
Co-buy 5/14
Newly buyingALMSDFTXMIRMBIOAKALV
2581
NEA Management Company, LLC
87.7% in top 10 · 25 holdings
Adjusted focus
Book growth
Co-buy 3/3
Newly buyingSGPZBIOKRRO
2680
Fairfax Financial Holdings Ltd/ Can
88% in top 10 · 29 holdings
Adjusted focus
Book growth
Co-buy 4/10
Newly buyingUAAUAKHCTAPPFE
2780
Condire Management, LP
84.4% in top 10 · 19 holdings
Adjusted focus
Book growth
Co-buy 2/6
Newly buyingCDEIAUXODVCHRDBTG
2880
Advent International, L.P.
89.2% in top 10 · 30 holdings
Adjusted focus
Book growth
Co-buy 5/11
Newly buyingBKRAMDARESGFLVST
2980
Diameter Capital Partners LP
82.4% in top 10 · 20 holdings
Adjusted focus
Book growth
Co-buy 5/12
Newly buyingUNITFBINPCGUWMCVISN
3079
H&H International Investment, LLC
99.2% in top 10 · 19 holdings
Adjusted focus
Book growth
Co-buy 3/15
Newly buyingBRK/BNVDAPDDTSLAGOOG
Where those funds are rotating by sector
Health Care +$8.8BUtilities +$3.7BFinancials +$2.9BConsumer Discretionary −$3.6BInformation Technology −$3.5B
Your agent can pull this: funds ranked by the same price-free score.
{ }get_smart_money_leaderboard · API & MCP

Capital Rotation reports where institutional capital DISCLOSED rotating, as of the latest public SEC 13F filings. It is DATA, NOT investment advice, a recommendation, or a prediction. Filings lag ~45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.