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WAY

Waystar Holding Corp
WAY

305 hedge funds and large institutions have $4.93B invested in Waystar Holding Corp in 2026 Q1 according to their latest regulatory filings, with 79 funds opening new positions, 113 increasing their positions, 91 reducing their positions, and 66 closing their positions.

New
Increased
Maintained
Reduced
Closed

24% more repeat investments, than reductions

Existing positions increased: 113 | Existing positions reduced: 91

20% more first-time investments, than exits

New positions opened: 79 | Existing positions closed: 66

14% more call options, than puts

Call options by funds: $19.5M | Put options by funds: $17.1M

2.42% more ownership

Funds ownership: 104.2% → 106.62% (+2.4%)

2% more funds holding

Funds holding: 300 → 305 (+5)

22% less funds holding in top 10

Funds holding in top 10: 9 → 7 (-2)

25% less capital invested

Capital invested by funds: $6.53B → $4.93B (-$1.6B)

Holders
305
Holders Change
+5
Holders Change %
+1.67%
% of All Funds
3.75%
Holding in Top 10
7
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-22.22%
% of All Funds
0.09%
New
79
Increased
113
Reduced
91
Closed
66
Calls
$19.5M
Puts
$17.1M
Net Calls
+$2.32M
Net Calls Change
+$7.71M

Top Buyers

1
GAM
Goldentree Asset Management
New York
+$118M
2
Bank of Montreal
Bank of Montreal
Ontario, Canada
+$91.5M
3
RI
RTW Investments
New York
+$43.3M
4
Diamond Hill Capital Management
Diamond Hill Capital Management
Ohio
+$42.6M
5
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$42M

Top Sellers

1
William Blair Investment Management
William Blair Investment Management
Illinois
-$173M
2
Invesco
Invesco
Georgia
-$73.5M
3
VOYA Investment Management
VOYA Investment Management
Georgia
-$41.4M
4
Holocene Advisors
Holocene Advisors
New York
-$39M
5
LGM
Lykos Global Management
Connecticut
-$32.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
RCM
51
RA Capital Management
Massachusetts
$12.8M +$10.2M +385,000 +267%
Jennison Associates
52
Jennison Associates
New York
$12.4M -$9.73M -366,681 -42%
Loomis, Sayles & Company
53
Loomis, Sayles & Company
Massachusetts
$11.9M +$13.1M +493,203 New
Mawer Investment Management
54
Mawer Investment Management
Alberta, Canada
$10.9M +$3.06M +115,437 +34%
PHP
55
Parkman Healthcare Partners
Connecticut
$10.7M +$1.96M +74,035 +20%
Walleye Capital
56
Walleye Capital
New York
$10.6M +$11.7M +438,989 New
KCM
57
Kingdon Capital Management
New York
$10.6M +$622K +23,451 +6%
Renaissance Technologies
58
Renaissance Technologies
New York
$10.2M -$17.2M -649,100 -61%
Public Sector Pension Investment Board (PSP Investments)
59
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$9.9M +$356K +13,421 +3%
PCM
60
Peregrine Capital Management
Minnesota
$9.82M +$550K +20,736 +5%
BGM
61
Burkehill Global Management
New York
$9.64M -$5.31M -200,000 -33%
Susquehanna International Group
62
Susquehanna International Group
Pennsylvania
$9.38M +$4.14M +156,067 +67%
New York State Common Retirement Fund
63
New York State Common Retirement Fund
New York
$9.12M -$2.54M -95,546 -20%
SEI Investments
64
SEI Investments
Pennsylvania
$8.94M +$2.47M +92,987 +33%
N
65
Nuveen
North Carolina
$8.62M -$3.03M -114,129 -24%
GCM
66
Ghisallo Capital Management
Massachusetts
$8.44M – – –
Invesco
67
Invesco
Georgia
$8.33M -$73.5M -2,767,637 -89%
RPAM
68
Rhenman & Partners Asset Management
Sweden
$8.26M +$9.09M +342,566 New
Adage Capital Partners
69
Adage Capital Partners
Massachusetts
$7.35M -$21.2M -800,404 -72%
SGM
70
Seven Grand Managers
New York
$7.23M – – –
Ameriprise
71
Ameriprise
Minnesota
$7.14M -$9.92M -373,672 -56%
RhumbLine Advisers
72
RhumbLine Advisers
Massachusetts
$6.94M -$49.9K -1,880 -0.6%
RG
73
Renaissance Group
Kentucky
$6.55M +$1.86M +69,915 +35%
BG
74
Bellevue Group
Switzerland
$6.18M +$382K +14,405 +6%
Legal & General Group
75
Legal & General Group
United Kingdom
$5.74M -$857K -32,272 -12%
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WAY Hedge Fund Activity: Q1 2026 in Review

305 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in Waystar Holding Corp (WAY) for Q1 2026, worth a combined $4.93B — down 25% from $6.53B a quarter earlier.

Buyers outnumbered sellers: 79 funds opened new WAY positions and 66 closed out — a net gain of 13 holders — while 113 added to existing stakes and 91 trimmed.

The largest buyer was Goldentree Asset Management, opening a new position worth an estimated $118M. The largest seller was William Blair Investment Management, exiting entirely with an estimated $173M sold.

  • 305 institutional investors held Waystar Holding Corp (WAY) as of Q1 2026, up from 300 in Q4 2025.
  • Funds reported $4.93B of Waystar Holding Corp stock for Q1 2026, down 25% quarter-over-quarter.
  • 79 funds opened new Waystar Holding Corp positions in Q1 2026 and 66 closed out, a net change of +13 holders.
  • The largest Waystar Holding Corp buyer in Q1 2026 was Goldentree Asset Management, an estimated $118M added.
  • The largest Waystar Holding Corp seller in Q1 2026 was William Blair Investment Management, an estimated $173M sold.

Based on aggregated 13F filings for Q1 2026.