Stock Ownership/ACCO

ACCO BRANDS CORP (ACCO): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ACCO · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
10
13F filers
Aggregate Value
$25.1M
Across holders
Last Price
$4.19
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity6 increased4 reduced3 exited
Full exits: First Eagle Investment Management, LLC, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP, Brevan Howard Capital Management LP
Institutional Holders of ACCO
↗
10 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund1.99M$8.3M32.9%0.0%Reduced+$8.1MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.77M$7.4M29.4%0.0%Added+$1.4MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund958K$4.0M15.9%0.0%Added+$263KQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund711K$3.0M11.8%0.0%Added+$419KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund283K$1.2M4.7%0.0%Added—Q2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund104K$433K1.7%0.0%Reduced$-765KQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager100K$416K1.7%0.0%Reduced$-208KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund74K$307K1.2%0.0%Reduced$-331KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund44K$182K0.7%0.0%Added$-251KQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund31$1310.0%0.0%Added+$4Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$8.3M· 32.9% of total· 0.0% port· 1.99M sh· +$8.1M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$7.4M· 29.4% of total· 0.0% port· 1.77M sh· +$1.4M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$4.0M· 15.9% of total· 0.0% port· 958K sh· +$263K QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$3.0M· 11.8% of total· 0.0% port· 711K sh· +$419K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$1.2M· 4.7% of total· 0.0% port· 283K sh· — QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$433K· 1.7% of total· 0.0% port· 104K sh· $-765K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$416K· 1.7% of total· 0.0% port· 100K sh· $-208K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$307K· 1.2% of total· 0.0% port· 74K sh· $-331K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$182K· 0.7% of total· 0.0% port· 44K sh· $-251K QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$131· 0.0% of total· 0.0% port· 31 sh· +$4 QoQ· Q2 2026
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