Activist & passive stakes

Investors crossing the 5% ownership line, from SEC Schedule 13D (activist) and 13G (passive) filings. Newest first.

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Filing

New Amendments All

Stake type

Activist Passive

Min % owned

≥10%≥20%

Clear all

Amendments only.1–15 of 15

PassiveAmendment 1Below 5%
Nov 13, 2026
HEPS · D-MARKET Electronic Services & Trading
VR Global Partners, L.P.
0% · 0 shSEC
PassiveAmendment 1
Nov 13, 2026
PS · Pershing Square Inc.
William A. Ackman
45.3% · 181,302,229 shSEC
PassiveAmendment 1
Nov 13, 2026
PS · Pershing Square Inc.
Pershing Square Management, LLC
72.6% · 290,268,979 shSEC
PassiveAmendment 8
Nov 13, 2026
PSNL · Personalis, Inc.
ARK Investment Management LLC
6.67% · 7,119,390 shSEC
PassiveAmendment 1
Nov 12, 2026
CAPS · Capstone Holding Corp.
3i, LP
9.9% · 97,610 shSEC
ActivistAmendment 3
Nov 11, 2026
TXO · TXO Partners, L.P.
Bob R. Simpson
17.6% · 9,732,839 shSEC
PassiveAmendment 1
Nov 10, 2026
PSBD · Palmer Square Capital BDC Inc.
Mariner, LLC
10.6% · 3,198,268 shSEC
PassiveAmendment 4Below 5%
Nov 9, 2026
STEP · StepStone Group Inc.
Millennium Management LLC
3.9% · 3,203,652 shSEC
PassiveAmendment 1Below 5%
Nov 6, 2026
IPST · Ip Strategy Holdings, Inc.
Jane Street Group, Llc
1.8% · 12,115 shSEC
ActivistAmendment 1
Nov 6, 2026
MYPS · PLAYSTUDIOS, Inc.
MGM Resorts International
16.4% · 1,664,712 shSEC
PassiveAmendment 3
Nov 6, 2026
UPB · Upstream Bio Inc
Fmr Llc
6.9% · 3,793,955 shSEC
PassiveAmendment 8
Nov 5, 2026
PSTL · Postal Realty Trust Inc
Fmr Llc
15% · 4,531,993 shSEC
PassiveAmendment 1
Nov 5, 2026
PSMT · Pricesmart Inc
Fmr Llc
7% · 2,170,803 shSEC
PassiveAmendment 3
Nov 5, 2026
SSD · Simpson Manufacturing Co
Fmr Llc
7.2% · 2,955,885 shSEC
PassiveAmendment 2
Nov 4, 2026
CV · CapsoVision, Inc
Eliyahou Harari
13.2% · 7,014,554 shSEC

Filing	Symbol	Holder	% Owned	Shares	Filed	SEC filing
PassiveAmendment 1Below 5%	HEPS	VR Global Partners, L.P. in D-MARKET Electronic Services & Trading	0%	0	Nov 13, 2026	SEC
PassiveAmendment 1	PS	William A. Ackman in Pershing Square Inc.	45.3%	181,302,229	Nov 13, 2026	SEC
PassiveAmendment 1	PS	Pershing Square Management, LLC in Pershing Square Inc.	72.6%	290,268,979	Nov 13, 2026	SEC
PassiveAmendment 8	PSNL	ARK Investment Management LLC in Personalis, Inc.	6.67%	7,119,390	Nov 13, 2026	SEC
PassiveAmendment 1	CAPS	3i, LP in Capstone Holding Corp.	9.9%	97,610	Nov 12, 2026	SEC
ActivistAmendment 3	TXO	Bob R. Simpson in TXO Partners, L.P.	17.6%	9,732,839	Nov 11, 2026	SEC
PassiveAmendment 1	PSBD	Mariner, LLC in Palmer Square Capital BDC Inc.	10.6%	3,198,268	Nov 10, 2026	SEC
PassiveAmendment 4Below 5%	STEP	Millennium Management LLC in StepStone Group Inc.	3.9%	3,203,652	Nov 9, 2026	SEC
PassiveAmendment 1Below 5%	IPST	Jane Street Group, Llc in Ip Strategy Holdings, Inc.	1.8%	12,115	Nov 6, 2026	SEC
ActivistAmendment 1	MYPS	MGM Resorts International in PLAYSTUDIOS, Inc.	16.4%	1,664,712	Nov 6, 2026	SEC
PassiveAmendment 3	UPB	Fmr Llc in Upstream Bio Inc	6.9%	3,793,955	Nov 6, 2026	SEC
PassiveAmendment 8	PSTL	Fmr Llc in Postal Realty Trust Inc	15%	4,531,993	Nov 5, 2026	SEC
PassiveAmendment 1	PSMT	Fmr Llc in Pricesmart Inc	7%	2,170,803	Nov 5, 2026	SEC
PassiveAmendment 3	SSD	Fmr Llc in Simpson Manufacturing Co	7.2%	2,955,885	Nov 5, 2026	SEC
PassiveAmendment 2	CV	Eliyahou Harari in CapsoVision, Inc	13.2%	7,014,554	Nov 4, 2026	SEC