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HealthStream
HSTM

200 hedge funds and large institutions have $603M invested in HealthStream in 2025 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 50 increasing their positions, 86 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed

4% more first-time investments, than exits

New positions opened: 25 | Existing positions closed: 24

0.39% less ownership

Funds ownership: 72.35% → 71.97% (-0.39%)

0% less funds holding

Funds holding: 201 → 200 (-1)

1% less capital invested

Capital invested by funds: $611M → $603M (-$7.65M)

42% less repeat investments, than reductions

Existing positions increased: 50 | Existing positions reduced: 86

Holders
200
Holders Change
-1
Holders Change %
-0.5%
% of All Funds
2.63%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
25
Increased
50
Reduced
86
Closed
24
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
JP Morgan Chase
JP Morgan Chase
New York
+$5.08M
2
Two Sigma Advisers
Two Sigma Advisers
New York
+$2.59M
3
N
Numerai
California
+$1.86M
4
Goldman Sachs
Goldman Sachs
New York
+$1.29M
5
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$1.23M

Top Sellers

Rank Fund Capital Flow
1
HCA
Harbor Capital Advisors
Illinois
-$7.05M
2
Millennium Management
Millennium Management
New York
-$3.99M
3
Ameriprise
Ameriprise
Minnesota
-$2.67M
4
PAIM
Punch & Associates Investment Management
Minnesota
-$2.57M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$2.09M
Name Holding Trade Value Shares
Change 		Change in
Stake
QCM
101
Quantinno Capital Management
New York
$387K +$165K +6,006 +78%
New York State Teachers Retirement System (NYSTRS)
102
New York State Teachers Retirement System (NYSTRS)
New York
$387K -$119K -4,316 -24%
LCM
103
Legato Capital Management
California
$387K – – –
SO
104
STRS Ohio
Ohio
$387K -$228K -8,300 -38%
SOADOR
105
State of Alaska Department of Revenue
Alaska
$381K -$22.1K -803 -6%
Citigroup
106
Citigroup
New York
$380K -$263K -9,558 -42%
Zurich Cantonal Bank
107
Zurich Cantonal Bank
Switzerland
$379K -$45.7K -1,661 -11%
SCP
108
Seizert Capital Partners
Michigan
$377K +$67.6K +2,459 +23%
VI
109
Vestcor Inc
New Brunswick, Canada
$352K – – –
Universal-Beteiligungs- und Servicegesellschaft
110
Universal-Beteiligungs- und Servicegesellschaft
Germany
$349K +$24.7K +897 +8%
IMRF
111
Illinois Municipal Retirement Fund
Illinois
$339K -$15.4K -559 -4%
A
112
AlphaQuest
New York
$333K +$116K +4,204 +55%
Neuberger Berman Group
113
Neuberger Berman Group
New York
$317K +$6.46K +235 +2%
Janus Henderson Group
114
Janus Henderson Group
United Kingdom
$309K – – –
DT
115
Diversified Trust
Tennessee
$308K +$55 +2 +0%
LSERS
116
Louisiana State Employees Retirement System
Louisiana
$308K -$11K -400 -4%
D.E. Shaw & Co
117
D.E. Shaw & Co
New York
$291K -$363K -13,209 -56%
IQI
118
Integrated Quantitative Investments
Washington
$288K -$858K -31,226 -75%
SCA
119
Snowden Capital Advisors
New York
$286K -$2.2K -80 -0.8%
Comerica Bank
120
Comerica Bank
Texas
$285K -$39.6K -1,441 -13%
NSEDCP
121
NJ State Employees Deferred Compensation Plan
New Jersey
$282K – – –
Pathstone Holdings
122
Pathstone Holdings
New Jersey
$274K +$266K +9,686 New
Cetera Investment Advisers
123
Cetera Investment Advisers
Illinois
$271K +$264K +9,601 New
WIC
124
Woodmont Investment Counsel
Tennessee
$244K – – –
State of Wisconsin Investment Board
125
State of Wisconsin Investment Board
Wisconsin
$243K – – –
3 4
5
6 7

HSTM Hedge Fund Activity: Q3 2025 in Review

200 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in HealthStream (HSTM) for Q3 2025, worth a combined $603M — down 1.3% from $611M a quarter earlier.

Buyers outnumbered sellers: 25 funds opened new HSTM positions and 24 closed out — a net gain of 1 holder — while 50 added to existing stakes and 86 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $5.08M. The largest seller was Harbor Capital Advisors, cutting an estimated $7.05M.

  • 200 institutional investors held HealthStream (HSTM) as of Q3 2025, down from 201 in Q2 2025.
  • Funds reported $603M of HealthStream stock for Q3 2025, down 1.3% quarter-over-quarter.
  • 25 funds opened new HealthStream positions in Q3 2025 and 24 closed out, a net change of +1 holder.
  • The largest HealthStream buyer in Q3 2025 was JP Morgan Chase, an estimated $5.08M added.
  • The largest HealthStream seller in Q3 2025 was Harbor Capital Advisors, an estimated $7.05M sold.

Based on aggregated 13F filings for Q3 2025.