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Advanced Drainage Systems

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

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: 65 (-1)

Holders
576
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$17.3M
Puts
$13.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
VPIM
276
Vanguard Personalized Indexing Management
California
$1.07M
D.E. Shaw & Co
277
D.E. Shaw & Co
New York
$1.06M
Public Employees Retirement Association of Colorado
278
Public Employees Retirement Association of Colorado
Colorado
$1.01M
CM
279
Castleark Management
Illinois
$986K
BEI
280
Benjamin Edwards Inc
Missouri
$983K
NAM
281
Nissay Asset Management
Japan
$983K
M&T Bank
282
M&T Bank
New York
$978K
Wealth Enhancement Advisory Services
283
Wealth Enhancement Advisory Services
Minnesota
$977K
Lazard Asset Management
284
Lazard Asset Management
New York
$977K
SDIC
285
South Dakota Investment Council
South Dakota
$960K
Marshall Wace
286
Marshall Wace
United Kingdom
$951K
IMRF
287
Illinois Municipal Retirement Fund
Illinois
$922K
AWM
288
Absher Wealth Management
North Carolina
$921K
YDMI
289
Y.D. More Investments
Israel
$917K
Federated Hermes
290
Federated Hermes
Pennsylvania
$910K
SLAM
291
Swiss Life Asset Management
$894K
Skandinaviska Enskilda Banken (SEB)
292
Skandinaviska Enskilda Banken (SEB)
Sweden
$893K
VI
293
Vestcor Inc
New Brunswick, Canada
$891K
IAA
294
Independent Advisor Alliance
North Carolina
$886K
PI
295
PFG Investments
New York
$872K
CP
296
CenterBook Partners
Connecticut
$871K
QCG
297
Quadrant Capital Group
Ohio
$858K
AAM
298
Advisors Asset Management
Colorado
$851K
AC
299
Aristeia Capital
Connecticut
$830K
BC
300
Bridgefront Capital
Texas
$822K