Westfield Capital Management
AAOI icon

Westfield Capital Management’s Applied Optoelectronics AAOI Stock Holding History

Westfield Capital Management’s Portfolio AAOI Stock Details AAOI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$37M Buy
+249,553
New +$40.6M 0.12% 188
2024
Q4 		– Sell
-1,329,093
Closed -$19M – 240
2024
Q3 		$19M Buy
+1,329,093
New +$13.8M 0.09% 181

Other funds holding AAOI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
MG
Marex Group London $23.6B AUM 57.16% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $4.84B AUM 160.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $40.1B AUM 376.19% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Westfield Capital Management's AAOI Position: Q2 2026 in Review

Westfield Capital Management opened a new position in Applied Optoelectronics (AAOI) in Q2 2026: 249,553 shares worth $37M. The stake represents 0.12% of the portfolio and ranks #188 among its holdings. This is a return to the name: Westfield Capital Management previously reported a position in AAOI as recently as Q3 2024.

Westfield Capital Management first reported a position in AAOI in Q3 2024 and has held it in 2 quarters since. 482 funds tracked by Wall St. Rank hold AAOI as of Q2 2026.

  • Westfield Capital Management held 249,553 shares of Applied Optoelectronics worth $37M as of Q2 2026.
  • Applied Optoelectronics was a new Westfield Capital Management position in Q2 2026.
  • Applied Optoelectronics made up 0.12% of Westfield Capital Management's portfolio in Q2 2026, its #188 holding.
  • Westfield Capital Management first reported a position in Applied Optoelectronics in Q3 2024 and has held it in 2 quarters since.
  • 482 funds tracked by Wall St. Rank held Applied Optoelectronics as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.