Citadel Advisors
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Citadel Advisors’s AltShares Merger Arbitrage ETF ARB Stock Holding History

Citadel Advisors’s Portfolio ARB Stock Details ARB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$6.56M Buy
+223,598
New +$6.52M ﹤0.01% 3905
2023
Q2 		– Sell
-13,605
Closed -$345K – 14299
2023
Q1 		$345K Buy
+13,605
New +$347K ﹤0.01% 9085
2022
Q4 		– Sell
-21,740
Closed -$579K – 14844
2022
Q3 		$579K Buy
+21,740
New +$581K ﹤0.01% 8141

Other funds holding ARB

CFIA
Cantor Fitzgerald Investment Advisors New York $1.36B AUM 16.41% 1-Year Est. Return
EWA
EP Wealth Advisors Torrance, California $20.3B AUM
NYLIM
New York Life Investment Management New York $11.8B AUM 23.45% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
LFA
Legend Financial Advisors Pittsburgh, Pennsylvania $155M AUM 36.74% 1-Year Est. Return
BCI
Brinker Capital Investments Berwyn, Pennsylvania $11.7B AUM 21.33% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return
DWM
Diversify Wealth Management Sandy, Utah $5.61B AUM 19.63% 1-Year Est. Return
PA
PFG Advisors Phoenix, Arizona $1.98B AUM 28.18% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

Citadel Advisors's ARB Position: Q1 2026 in Review

Citadel Advisors opened a new position in AltShares Merger Arbitrage ETF (ARB) in Q1 2026: 223,598 shares worth $6.56M. The stake represents ﹤0.01% of the portfolio and ranks #3905 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in ARB as recently as Q1 2023.

Citadel Advisors first reported a position in ARB in Q3 2022 and has held it in 3 quarters since. 32 funds tracked by Wall St. Rank hold ARB as of Q1 2026.

  • Citadel Advisors held 223,598 shares of AltShares Merger Arbitrage ETF worth $6.56M as of Q1 2026.
  • AltShares Merger Arbitrage ETF was a new Citadel Advisors position in Q1 2026.
  • AltShares Merger Arbitrage ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3905 holding.
  • Citadel Advisors first reported a position in AltShares Merger Arbitrage ETF in Q3 2022 and has held it in 3 quarters since.
  • 32 funds tracked by Wall St. Rank held AltShares Merger Arbitrage ETF as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.