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Research Solutions
RSSS

39 hedge funds and large institutions have $26.2M invested in Research Solutions in 2026 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 11 increasing their positions, 9 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

22% more repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 9

14% more first-time investments, than exits

New positions opened: 8 | Existing positions closed: 7

0.83% less ownership

Funds ownership: 36.1% → 35.27% (-0.83%)

3% less funds holding

Funds holding: 40 → 39 (-1)

25% less capital invested

Capital invested by funds: $34.9M → $26.2M (-$8.65M)

Holders
39
Holders Change
-1
Holders Change %
-2.5%
% of All Funds
0.48%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
8
Increased
11
Reduced
9
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
NSIM
North Star Investment Management
Illinois
+$853K
2
NL
Navalign LLC
California
+$390K
3
PAIM
Punch & Associates Investment Management
Minnesota
+$136K
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$121K
5
DAS
Dynamic Advisor Solutions
Arizona
+$72K

Top Sellers

1
SL
Sentinus LLC
Illinois
-$781K
2
TCM
Topline Capital Management
California
-$239K
3
HighTower Advisors
HighTower Advisors
Illinois
-$201K
4
Renaissance Technologies
Renaissance Technologies
New York
-$106K
5
Jane Street
Jane Street
New York
-$75.9K
Name Holding Trade Value Shares
Change 		Change in
Stake
NIM
1
Needham Investment Management
New York
$7.13M +$25.6K +10,000 +0.3%
PAIM
2
Punch & Associates Investment Management
Minnesota
$5.77M +$136K +53,145 +2%
VCM
3
Vanguard Capital Management
Pennsylvania
$2.56M +$2.9M +1,133,471 New
LCG
4
Luxor Capital Group
New York
$1.47M – – –
BA
5
Bard Associates
Illinois
$1.37M -$5.07K -1,982 -0.3%
TCM
6
Topline Capital Management
California
$1.04M -$239K -93,329 -17%
PL
7
Parthenon LLC
Kentucky
$887K – – –
Geode Capital Management
8
Geode Capital Management
Massachusetts
$758K +$121K +47,244 +16%
NSIM
9
North Star Investment Management
Illinois
$754K +$853K +333,518 New
DAS
10
Dynamic Advisor Solutions
Arizona
$718K +$72K +28,175 +10%
NL
11
Navalign LLC
California
$568K +$390K +152,546 +155%
Renaissance Technologies
12
Renaissance Technologies
New York
$400K -$106K -41,300 -19%
VFT
13
Vanguard Fiduciary Trust
Pennsylvania
$342K +$387K +151,365 New
LPL Financial
14
LPL Financial
California
$331K – – –
BlackRock
15
BlackRock
New York
$272K +$9.26K +3,622 +3%
HIM
16
Hillsdale Investment Management
Ontario, Canada
$194K -$30.7K -12,000 -12%
4FG
17
4Thought Financial Group
New York
$188K -$1.99K -779 -0.9%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$176K +$2.38K +933 +1%
IQI
19
Integrated Quantitative Investments
Washington
$164K – – –
Acadian Asset Management
20
Acadian Asset Management
Massachusetts
$147K -$30.2K -11,797 -15%
State Street
21
State Street
Massachusetts
$133K – – –
Northern Trust
22
Northern Trust
Illinois
$128K – – –
SL
23
Sentinus LLC
Illinois
$116K -$781K -305,518 -86%
Goldman Sachs
24
Goldman Sachs
New York
$105K +$9.33K +3,648 +8%
GRIM
25
Greenhaven Road Investment Management
Connecticut
$87K – – –
1
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RSSS Hedge Fund Activity: Q1 2026 in Review

39 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Research Solutions (RSSS) for Q1 2026, worth a combined $26.2M — down 25% from $34.9M a quarter earlier.

Buyers outnumbered sellers: 8 funds opened new RSSS positions and 7 closed out — a net gain of 1 holder — while 11 added to existing stakes and 9 trimmed.

The largest buyer was North Star Investment Management, opening a new position worth an estimated $853K. The largest seller was Sentinus LLC, cutting an estimated $781K.

  • 39 institutional investors held Research Solutions (RSSS) as of Q1 2026, down from 40 in Q4 2025.
  • Funds reported $26.2M of Research Solutions stock for Q1 2026, down 25% quarter-over-quarter.
  • 8 funds opened new Research Solutions positions in Q1 2026 and 7 closed out, a net change of +1 holder.
  • The largest Research Solutions buyer in Q1 2026 was North Star Investment Management, an estimated $853K added.
  • The largest Research Solutions seller in Q1 2026 was Sentinus LLC, an estimated $781K sold.

Based on aggregated 13F filings for Q1 2026.