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UBS O'Connor’s Flowserve FLS Stock Holding History

UBS O'Connor’s Portfolio FLS Stock Details FLS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$5.02M Buy
+72,341
New +$4.65M 0.13% 52
2025
Q1 		– Sell
-130,000
Closed -$7.48M – 384
2024
Q4 		$7.48M Buy
+130,000
New +$7.46M 0.19% 64
2017
Q2 		– Sell
-104,000
Closed -$5.04M – 422
2017
Q1 		$5.04M Buy
+104,000
New +$5.04M 0.08% 210
2014
Q4 		– Sell
-154,009
Closed -$10.9M – 665
2014
Q3 		$10.9M Buy
154,009
+73,498
+91% +$5.45M 0.19% 151
2014
Q2 		$5.99M Buy
+80,511
New +$6.1M 0.04% 186

Other funds holding FLS

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DCP
D1 Capital Partners New York $34.8B AUM 11.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

UBS O'Connor's FLS Position: Q4 2025 in Review

UBS O'Connor opened a new position in Flowserve (FLS) in Q4 2025: 72,341 shares worth $5.02M. The stake represents 0.13% of the portfolio and ranks #52 among its holdings. This is a return to the name: UBS O'Connor previously reported a position in FLS as recently as Q4 2024.

UBS O'Connor first reported a position in FLS in Q2 2014 and has held it in 5 quarters since. The position peaked at $10.9M in Q3 2014. 572 funds tracked by Wall St. Rank hold FLS as of Q4 2025.

  • UBS O'Connor held 72,341 shares of Flowserve worth $5.02M as of Q4 2025.
  • Flowserve was a new UBS O'Connor position in Q4 2025.
  • Flowserve made up 0.13% of UBS O'Connor's portfolio in Q4 2025, its #52 holding.
  • UBS O'Connor first reported a position in Flowserve in Q2 2014 and has held it in 5 quarters since.
  • UBS O'Connor's Flowserve position peaked at $10.9M in Q3 2014.
  • 572 funds tracked by Wall St. Rank held Flowserve as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.