PENG in the 13F filings

Penguin Solutions Inc · CUSIP 706915105

Sector · Semiconductors Theme · AI infrastructure and semiconductors· L3VLUP-defined Theme · Semiconductors

Quarter

Q2 2026 Q1 2026 Q3 2025

Quarter end: 31 Mar 2026; the date the book describes
Filed: 18 May 2026; latest of these filings; the earliest 12 May 2026
Managers listing it: 20; at least, of 95 tracked, among listed positions
Comparable managers: 91; filed both Q4 2025 and Q1 2026; 0 listed it in both
Shares listed: 12,043,277; combined, among listed positions
Reported value: $215m; combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 10 buyers (opened or added shares) and 16 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +462,989.

Managers listing PENG in Q1 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

ActionShare of book at least

20 of 20 holders

				Action		Filing
Fidelity (FMR LLC)	4,612,721	$81m	under 0.1%	Trimmed	-911,215	15 May 2026 (the filing on sec.gov)
Invesco Ltd	3,988,140	$70m	under 0.1%	Added	+1,995,725	12 May 2026 (the filing on sec.gov)
AllianceBernstein LP	1,344,192	$26m	under 0.1%	Added	+37,956	15 May 2026 (the filing on sec.gov)
Wellington Management Group LLP	587,751	$10m	under 0.1%	Trimmed	-25,727	15 May 2026 (the filing on sec.gov)
Citadel Advisors LLC	319,619	$5.6m	under 0.1%	Added	+1,301	15 May 2026 (the filing on sec.gov)
D. E. Shaw & Co.	232,911	$4.1m	under 0.1%	Added	+118,543	15 May 2026 (the filing on sec.gov)
Two Sigma Investments LP	186,235	$3.3m	under 0.1%	Trimmed	-97,731	15 May 2026 (the filing on sec.gov)
AQR Capital Management LLC	172,638	$3.0m	under 0.1%	Trimmed	-4,090	15 May 2026 (the filing on sec.gov)
Marshall Wace LLP	147,767	$2.6m	under 0.1%	Trimmed	-68,579	15 May 2026 (the filing on sec.gov)
Balyasny Asset Management LLC	135,624	$2.4m	under 0.1%	Added	+121,976	15 May 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP	66,969	$1.2m	under 0.1%	Trimmed	-1,933	15 May 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc	64,108	$1.1m	under 0.1%	Added	+9,397	15 May 2026 (the filing on sec.gov)
Man Group PLC	64,104	$1.1m	under 0.1%	Added	+36,152	15 May 2026 (the filing on sec.gov)
Maverick Capital Ltd	43,794	$771k	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Janus Henderson Group Ltd	24,238	$427k	under 0.1%	Held	0	18 May 2026 (the filing on sec.gov)
Susquehanna International Group LLP	17,446	$307k	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Millennium Management LLC	17,405	$306k	under 0.1%	Trimmed	-44,999	15 May 2026 (the filing on sec.gov)
Quantbot Technologies LP	10,331	$182k	under 0.1%	Trimmed	-64,562	13 May 2026 (the filing on sec.gov)
Walleye Capital LLC	5,856	$103k	under 0.1%	New	new	13 May 2026 (the filing on sec.gov)
Freestone Grove Partners LP	1,428	$25k	under 0.1%	Trimmed	-25,808	15 May 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

There is no earlier quarter on file to compare with.

Increases

Invesco Ltdexisting position · 3,988,140 shares now+1,995,725
Balyasny Asset Management LLCexisting position · 135,624 shares now+121,976
D. E. Shaw & Co.existing position · 232,911 shares now+118,543
Maverick Capital Ltdnew position · 43,794 shares now+43,794
AllianceBernstein LPexisting position · 1,344,192 shares now+37,956

Reductions

Fidelity (FMR LLC)existing position · 4,612,721 shares now-911,215
Two Sigma Investments LPexisting position · 186,235 shares now-97,731
Marshall Wace LLPexisting position · 147,767 shares now-68,579
Quantbot Technologies LPexisting position · 10,331 shares now-64,562
Millennium Management LLCexisting position · 17,405 shares now-44,999

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (3)

Maverick Capital Ltd$771k
Susquehanna International Group LLP$307k
Walleye Capital LLC$103k

Exited (7)

Arrowstreet Capital LPwas $4.6m
Squarepoint Ops LLCwas $2.6m
Tudor Investment Corpwas $2.0m
ExodusPoint Capital Management LPwas $1.8m
Verition Fund Management LLCwas $1.7m
Jane Street Group LLCwas $583k
Acadian Asset Management LLCwas $109k

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.

2 in Q3 2025 to 3 in Q2 2026

Tracked managers listing it, at least.

the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

PENG and NVDA →PENG and AVGO →PENG and MU →Choose a stock to compare with PENG →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own PENG, latest filings →Back to the 13F Explorer →

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