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Flowserve
FLS

518 hedge funds and large institutions have $6.7B invested in Flowserve in 2025 Q3 according to their latest regulatory filings, with 105 funds opening new positions, 183 increasing their positions, 155 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

341% more call options, than puts

Call options by funds: $49.9M | Put options by funds: $11.3M

54% more first-time investments, than exits

New positions opened: 105 | Existing positions closed: 68

18% more repeat investments, than reductions

Existing positions increased: 183 | Existing positions reduced: 155

7% more funds holding

Funds holding: 484 → 518 (+34)

0% more funds holding in top 10

Funds holding in top 10: 4 → 4 (0)

4% less capital invested

Capital invested by funds: $6.96B → $6.7B (-$258M)

4.97% less ownership

Funds ownership: 101.51% → 96.54% (-5%)

Holders
518
Holders Change
+34
Holders Change %
+7.02%
% of All Funds
6.8%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
105
Increased
183
Reduced
155
Closed
68
Calls
$49.9M
Puts
$11.3M
Net Calls
+$38.6M
Net Calls Change
+$21.9M

Top Buyers

Rank Fund Capital Flow
1
DCP
D1 Capital Partners
New York
+$315M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$147M
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$120M
4
JP Morgan Chase
JP Morgan Chase
New York
+$108M
5
UBS Group
UBS Group
Switzerland
+$91M

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$207M
2
First Eagle Investment Management
First Eagle Investment Management
New York
-$205M
3
Boston Partners
Boston Partners
Massachusetts
-$138M
4
Fidelity International
Fidelity International
Bermuda
-$116M
5
Marshall Wace
Marshall Wace
United Kingdom
-$76.3M
Name Holding Trade Value Shares
Change 		Change in
Stake
Tudor Investment Corp
526
Tudor Investment Corp
Connecticut
– -$18.8M -359,101 Closed
WHCM
527
Wolf Hill Capital Management
Connecticut
– -$11M -210,931 Closed
HHAM
528
HITE Hedge Asset Management
Massachusetts
– -$9.92M -189,480 Closed
Balyasny Asset Management
529
Balyasny Asset Management
Illinois
– -$9.11M -174,039 Closed
Walleye Capital
530
Walleye Capital
New York
– -$8.24M -157,367 Closed
SCM
531
SIR Capital Management
New York
– -$7.8M -149,000 Closed
CSS
532
Cubist Systematic Strategies
Connecticut
– -$7.14M -136,444 Closed
ZP
533
Zimmer Partners
New York
– -$6.28M -120,000 Closed
WA
534
Whitebox Advisors
Minnesota
– -$4.98M -95,052 Closed
MCM
535
Moore Capital Management
New York
– -$4.89M -93,431 Closed
HCP
536
Hiddenite Capital Partners
New York
– -$4.71M -90,000 Closed
TCA
537
Taconic Capital Advisors
New York
– -$4.17M -79,620 Closed
Voloridge Investment Management
538
Voloridge Investment Management
Florida
– -$3.93M -75,001 Closed
GIP
539
Granite Investment Partners
California
– -$2.87M -54,807 Closed
IMC Chicago
540
IMC Chicago
Illinois
– -$2.78M -51,271 Closed
Calamos Advisors
541
Calamos Advisors
Illinois
– -$1.94M -37,115 Closed
Mackenzie Financial
542
Mackenzie Financial
Ontario, Canada
– -$1.82M -34,852 Closed
PHK
543
Point72 Hong Kong
Hong Kong
– -$1.74M -33,221 Closed
GCM
544
Graham Capital Management
Connecticut
– -$1.58M -30,247 Closed
MIP
545
Marietta Investment Partners
Wisconsin
– -$1.53M -29,257 Closed
OQS
546
Occudo Quantitative Strategies
Florida
– -$1.29M -24,629 Closed
AI
547
Atom Investors
Texas
– -$1.26M -24,127 Closed
JFG
548
Jefferies Financial Group
New York
– -$1.19M -22,800 Closed
JSSH
549
J. Safra Sarasin Holding
– -$1.12M -21,478 Closed
HM
550
Harvest Management
New York
– -$1.05M -20,000 Closed
20 21
22
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FLS Hedge Fund Activity: Q3 2025 in Review

518 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Flowserve (FLS) for Q3 2025, worth a combined $6.7B — down 3.7% from $6.96B a quarter earlier.

Buyers outnumbered sellers: 105 funds opened new FLS positions and 68 closed out — a net gain of 37 holders — while 183 added to existing stakes and 155 trimmed.

The largest buyer was D1 Capital Partners, adding an estimated $315M. The largest seller was BlackRock, cutting an estimated $207M.

  • 518 institutional investors held Flowserve (FLS) as of Q3 2025, up from 484 in Q2 2025.
  • Funds reported $6.7B of Flowserve stock for Q3 2025, down 3.7% quarter-over-quarter.
  • 105 funds opened new Flowserve positions in Q3 2025 and 68 closed out, a net change of +37 holders.
  • The largest Flowserve buyer in Q3 2025 was D1 Capital Partners, an estimated $315M added.
  • The largest Flowserve seller in Q3 2025 was BlackRock, an estimated $207M sold.

Based on aggregated 13F filings for Q3 2025.