Citadel Advisors
MFSB

Citadel Advisors’s MFS Active Core Plus Bond ETF MFSB Stock Holding History

Citadel Advisors’s Portfolio MFSB Stock Details MFSB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.27M Buy
+51,068
New +$1.28M ﹤0.01% 7606
2026
Q1 		– Sell
-59,082
Closed -$1.49M – 14602
2025
Q4 		$1.49M Sell
59,082
-33,030
-36% -$836K ﹤0.01% 6527
2025
Q3 		$2.32M Buy
+92,112
New +$2.31M ﹤0.01% 5763

Other funds holding MFSB

LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
WWA
WCG Wealth Advisors Las Vegas, Nevada $4.22B AUM 26.72% 1-Year Est. Return
CWS
Confluence Wealth Services Mcmurray, Pennsylvania $3.5B AUM 22.08% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return
MFGM
Marshall Financial Group (Maryland) Hunt Valley, Maryland $686M AUM 24.18% 1-Year Est. Return
ETC
Exchange Traded Concepts Oklahoma City, Oklahoma $21.9B AUM 68.6% 1-Year Est. Return
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $110B AUM 26.29% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
PAG
Private Advisor Group Morristown, New Jersey $21.8B AUM 28.57% 1-Year Est. Return
FA
Fermata Advisors Sonoma, California $495M AUM 20.19% 1-Year Est. Return

Citadel Advisors's MFSB Position: Q2 2026 in Review

Citadel Advisors opened a new position in MFS Active Core Plus Bond ETF (MFSB) in Q2 2026: 51,068 shares worth $1.27M. The stake represents ﹤0.01% of the portfolio and ranks #7606 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in MFSB as recently as Q4 2025.

Citadel Advisors first reported a position in MFSB in Q3 2025 and has held it in 3 quarters since. The position peaked at $2.32M in Q3 2025. 41 funds tracked by Wall St. Rank hold MFSB as of Q2 2026.

  • Citadel Advisors held 51,068 shares of MFS Active Core Plus Bond ETF worth $1.27M as of Q2 2026.
  • MFS Active Core Plus Bond ETF was a new Citadel Advisors position in Q2 2026.
  • MFS Active Core Plus Bond ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #7606 holding.
  • Citadel Advisors first reported a position in MFS Active Core Plus Bond ETF in Q3 2025 and has held it in 3 quarters since.
  • Citadel Advisors's MFS Active Core Plus Bond ETF position peaked at $2.32M in Q3 2025.
  • 41 funds tracked by Wall St. Rank held MFS Active Core Plus Bond ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.