DOSSIER · 13F Holders · Q2 2026
DSM

BLUEPRINT MEDICINES CORP

92 institutions still hold BLUEPRINT MEDICINES CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 09662E109·92 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$141M
visible holders
Holders
92
filers reporting
Concentration
22.52%
Saba Capital Management, L.P. #1
top holder share
AI Holders Summary · Q2 2026

92 institutions reported DSM in Q2 2026. Saba Capital Management, L.P. leads at 22.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Saba Capital Management, L.P.
CIK 0001510281
$32M5.2M0.82%Q2 2026
02
Bulldog Investors, LLP
CIK 0001504304
$20M3.4M4.56%Q1 2026
03
Pathstone Holdings, LLC
CIK 0002011612
$19M3.0M0.05%Q2 2026
04
SIT INVESTMENT ASSOCIATES INC
CIK 0000769317
$13M2.1M0.26%Q1 2026
05
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$10M1.7M0.50%Q1 2026
06
Hennion & Walsh Asset Management, Inc.
CIK 0001861642
$9M1.5M0.26%Q2 2026
07
GUGGENHEIM CAPITAL LLC
CIK 0001283072
$7M1.1M0.04%Q2 2026
08
Karpus Management, Inc.
CIK 0001048703
$6M940K0.18%Q1 2026
09
Almitas Capital LLC
CIK 0001596468
$5M758K1.12%Q2 2026
10
LPL Financial LLC
CIK 0001403438
$3M544K0.00%Q2 2026
11
ROBINSON CAPITAL MANAGEMENT, LLC
CIK 0001599795
$3M467K1.27%Q2 2026
12
WELLS FARGO & COMPANY/MN
CIK 0000072971
$3M448K0.00%Q2 2026
13
VAN ECK ASSOCIATES CORP
CIK 0000869178
$3M424K0.00%Q2 2026
14
Advisors Asset Management, Inc.
CIK 0001297376
$2M328K0.03%Q1 2026
15
MORGAN STANLEY
CIK 0000895421
$2M268K0.00%Q2 2026
16
Fiera Capital Corp
CIK 0001505817
$2M258K0.01%Q2 2026
17
Capital Investment Advisors, LLC
CIK 0001582732
$2M250K0.02%Q2 2026
18
LORD, ABBETT & CO. LLC
CIK 0000728100
$1M225K0.00%Q1 2026
19
Thomas J. Herzfeld Advisors, Inc.
CIK 0001509510
$1M196K0.37%Q2 2026
20
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$1M188K0.00%Q2 2026
Page 1 of 5
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Insiders at BLUEPRINT MEDICINES CORP
Saba Capital Management, L.P.Ubs Group AgComerica BankUbs Ag