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CenterBook Partners’s AptarGroup ATR Stock Holding History

CenterBook Partners’s Portfolio ATR Stock Details ATR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.43M Buy
+11,321
New +$1.48M 0.08% 292
2022
Q4 		– Sell
-2,323
Closed -$221K – 380
2022
Q3 		$221K Buy
+2,323
New +$242K 0.04% 359

Other funds holding ATR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

CenterBook Partners's ATR Position: Q1 2026 in Review

CenterBook Partners opened a new position in AptarGroup (ATR) in Q1 2026: 11,321 shares worth $1.43M. The stake represents 0.08% of the portfolio and ranks #292 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in ATR as recently as Q3 2022.

CenterBook Partners first reported a position in ATR in Q3 2022 and has held it in 2 quarters since. 542 funds tracked by Wall St. Rank hold ATR as of Q1 2026.

  • CenterBook Partners held 11,321 shares of AptarGroup worth $1.43M as of Q1 2026.
  • AptarGroup was a new CenterBook Partners position in Q1 2026.
  • AptarGroup made up 0.08% of CenterBook Partners's portfolio in Q1 2026, its #292 holding.
  • CenterBook Partners first reported a position in AptarGroup in Q3 2022 and has held it in 2 quarters since.
  • 542 funds tracked by Wall St. Rank held AptarGroup as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.