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Advanced Drainage Systems
WMS

576 hedge funds and large institutions have $9.51B invested in Advanced Drainage Systems in 2026 Q1 according to their latest regulatory filings, with 97 funds opening new positions, 227 increasing their positions, 167 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed

76% more first-time investments, than exits

New positions opened: 97 | Existing positions closed: 55

36% more repeat investments, than reductions

Existing positions increased: 227 | Existing positions reduced: 167

30% more call options, than puts

Call options by funds: $17.3M | Put options by funds: $13.3M

6% more funds holding

Funds holding: 545 → 576 (+31)

2.5% less ownership

Funds ownership: 91.61% → 89.11% (-2.5%)

8% less capital invested

Capital invested by funds: $10.3B → $9.51B (-$798M)

17% less funds holding in top 10

Funds holding in top 10: 6 → 5 (-1)

Holders
576
Holders Change
+31
Holders Change %
+5.69%
% of All Funds
7.09%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.06%
New
97
Increased
227
Reduced
167
Closed
55
Calls
$17.3M
Puts
$13.3M
Net Calls
+$3.94M
Net Calls Change
+$2.24M

Top Buyers

1
Pictet Asset Management
Pictet Asset Management
Switzerland
+$84.5M
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$61.9M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$50.4M
4
BlackRock
BlackRock
New York
+$48.1M
5
Capital World Investors
Capital World Investors
California
+$40.7M

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
-$120M
2
IC
Impactive Capital
New York
-$93M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$70.5M
4
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board
Ontario, Canada
-$64.7M
5
First Trust Advisors
First Trust Advisors
Illinois
-$58.6M
Name Holding Trade Value Shares
Change 		Change in
Stake
PFBT
501
Parkside Financial Bank & Trust
Missouri
$9.46K -$1.55K -10 -13%
FHC
502
First Horizon Corporation
Tennessee
$9.32K +$2.63K +17 +33%
HWA
503
Heritage Wealth Advisors
Virginia
$9.05K +$10.2K +66 New
LI
504
LRI Investments
Florida
$9.05K +$10.2K +66 New
AA
505
Addison Advisors
Vermont
$8.91K – – –
FMII
506
Farmers & Merchants Investments Inc
Nebraska
$8.23K – – –
TFA
507
Toth Financial Advisory
Virginia
$7.27K – – –
RF
508
Rossby Financial
Florida
$6.99K +$6.5K +42 +467%
EB
509
Eastern Bank
Massachusetts
$6.86K -$7.74K -50 -50%
JWA
510
JFS Wealth Advisors
Pennsylvania
$6.86K +$464 +3 +6%
FFO
511
Fortitude Family Office
Arizona
$6.72K +$5.26K +34 +227%
HWP
512
Highline Wealth Partners
California
$6.03K +$6.81K +44 New
AssetMark Inc
513
AssetMark Inc
California
$5.62K +$1.39K +9 +28%
IUHSA
514
Itau Unibanco Holding S.A.
Brazil
$5.49K – – –
SGK
515
Steigerwald Gordon & Koch
Virginia
$5.21K – – –
CTC
516
Central Trust Company
Missouri
$5.07K – – –
ADL
517
Asset Dedication LLC
California
$4.66K – – –
KFAS
518
Keating Financial Advisory Services
Kansas
$4.66K -$3.25K -21 -38%
FNWA
519
Financial Network Wealth Advisors
Utah
$4.11K – – –
OCWP
520
Owl Creek Wealth Partners
Colorado
$4.11K +$4.64K +30 New
CWM
521
Cranbrook Wealth Management
Michigan
$3.7K – – –
HNW
522
High Note Wealth
Minnesota
$3.7K – – –
ASN
523
Advisory Services Network
Georgia
$3.57K +$4.02K +26 New
VWA
524
Valued Wealth Advisors
Utah
$3.43K +$3.1K +20 +400%
JWM
525
JPL Wealth Management
Colorado
$3.43K +$3.87K +25 New
19 20
21
22 23

WMS Hedge Fund Activity: Q1 2026 in Review

576 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Advanced Drainage Systems (WMS) for Q1 2026, worth a combined $9.51B — down 7.7% from $10.3B a quarter earlier.

Buyers outnumbered sellers: 97 funds opened new WMS positions and 55 closed out — a net gain of 42 holders — while 227 added to existing stakes and 167 trimmed.

The largest buyer was Pictet Asset Management, adding an estimated $84.5M. The largest seller was Citadel Advisors, cutting an estimated $120M.

  • 576 institutional investors held Advanced Drainage Systems (WMS) as of Q1 2026, up from 545 in Q4 2025.
  • Funds reported $9.51B of Advanced Drainage Systems stock for Q1 2026, down 7.7% quarter-over-quarter.
  • 97 funds opened new Advanced Drainage Systems positions in Q1 2026 and 55 closed out, a net change of +42 holders.
  • The largest Advanced Drainage Systems buyer in Q1 2026 was Pictet Asset Management, an estimated $84.5M added.
  • The largest Advanced Drainage Systems seller in Q1 2026 was Citadel Advisors, an estimated $120M sold.

Based on aggregated 13F filings for Q1 2026.