13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
DSM

BLUEPRINT MEDICINES CORP

87 institutions still hold BLUEPRINT MEDICINES CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 09662E109·87 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 5.9%
vs prior quarter
13F value held
$123M
77.0% inst. owned
of float
Holders
87
+48 QoQ
filers reporting
Activity
+10 / −107
+1,008 added · −829 reduced
this quarter
Concentration
25.30%
Saba Capital Management, L.P. #1
top holder share
AI Holders Summary · Q1 2026

87 institutions reported DSM in Q1 2026. Saba Capital Management, L.P. leads at 25.3% of the visible book. +48 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Saba Capital Management, L.P.
CIK 0001510281
$31M5.2M0.86%Q1 202602
Bulldog Investors, LLP
CIK 0001504304
$20M3.4M4.56%Q1 202603
Pathstone Holdings, LLC
CIK 0002011612
$19M3.2M0.08%Q1 202604
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$10M1.7M0.50%Q1 202605
GUGGENHEIM CAPITAL LLC
CIK 0001283072
$6M1.0M0.05%Q1 202606
Karpus Management, Inc.
CIK 0001048703
$6M940K0.18%Q1 202607
Almitas Capital LLC
CIK 0001596468
$6M926K1.26%Q1 202608
Hennion & Walsh Asset Management, Inc.
CIK 0001861642
$5M786K0.16%Q1 202609
LPL Financial LLC
CIK 0001403438
$3M574K0.00%Q1 202610
ROBINSON CAPITAL MANAGEMENT, LLC
CIK 0001599795
$3M425K1.08%Q1 202611
WELLS FARGO & COMPANY/MN
CIK 0000072971
$2M408K0.00%Q1 202612
Advisors Asset Management, Inc.
CIK 0001297376
$2M328K0.03%Q1 202613
MORGAN STANLEY
CIK 0000895421
$2M281K0.00%Q1 202614
Fiera Capital Corp
CIK 0001505817
$2M269K0.01%Q1 202615
Capital Investment Advisors, LLC
CIK 0001582732
$2M256K0.02%Q1 202616
ENVESTNET ASSET MANAGEMENT INC
CIK 0001407543
$1M192K0.00%Q1 202617
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$1M188K0.00%Q1 202618
Thomas J. Herzfeld Advisors, Inc.
CIK 0001509510
$991,241165K0.34%Q1 202619
1607 Capital Partners, LLC
CIK 0001436866
$958,000159K0.07%Q1 202620
Nuveen, LLC
CIK 0001871926
$817,955136K0.00%Q1 2026
Page 1 of 5
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