HBM in the 13F filings

Hudbay Minerals Inc · CUSIP 443628102

Quarter

Q3 2026 · early filers Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024 Q4 2023

Quarter end: 31 Mar 2026; the date the book describes
Filed: 27 Oct 2026; latest of these filings; the earliest 12 May 2026
Managers listing it: 31; at least, of 95 tracked, among listed positions
Comparable managers: 91; filed both Q4 2025 and Q1 2026; 7 listed it in both
Shares listed: 50,507,444; combined, among listed positions
Reported value: $1.1bn; combined, at the quarter end

1 line marked †. Value as filed implies a price far from other filers'. Each counts in holders and value as filed, and is left out of the net change in shares.

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: 18 buyers (opened or added shares) and 15 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +51,490.

Managers listing HBM 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

31 of 31 holders

				Action		Filing
Acadian Asset Management LLC	10,735,919	$224m	0.32%	Added	+949,919	13 May 2026 (the filing on sec.gov)
Arrowstreet Capital LP	6,747,236	$141m	0.08%	Trimmed	-2,710,062	14 May 2026 (the filing on sec.gov)
Fidelity (FMR LLC)	6,616,248	$139m	under 0.1%	Trimmed	-473,006	15 May 2026 (the filing on sec.gov)
Invesco Ltd	6,365,432	$133m	under 0.1%	Trimmed	-3,029,867	12 May 2026 (the filing on sec.gov)
Millennium Management LLC	5,046,668	$105m	under 0.1%	Added	+3,842,862	15 May 2026 (the filing on sec.gov)
Voloridge Investment Management LLC	2,295,496	$48m	0.19%	Added	+912,440	15 May 2026 (the filing on sec.gov)
Man Group PLC	2,185,035	$46m	0.08%	Trimmed	-560,628	15 May 2026 (the filing on sec.gov)
D. E. Shaw & Co.	1,817,836	$38m	under 0.1%	Trimmed	-588,500	15 May 2026 (the filing on sec.gov)
Renaissance Technologies LLC	1,755,509	$37m	0.06%	Trimmed	-436,400	14 May 2026 (the filing on sec.gov)
Citadel Advisors LLC	1,249,281	$26m	under 0.1%	Added	+777,048	15 May 2026 (the filing on sec.gov)
Janus Henderson Group Ltd	1,243,668	$26m	under 0.1%	New	new	18 May 2026 (the filing on sec.gov)
Wellington Management Group LLP	763,279	$16m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Bridgewater Associates LP	619,376	$13m	0.06%	Added	+475,027	15 May 2026 (the filing on sec.gov)
Point72 Asset Management LP	539,789	$11m	under 0.1%	Trimmed	-458,884	15 May 2026 (the filing on sec.gov)
Moore Capital Management LP	406,467	$8.5m	0.17%	Trimmed	-375,632	15 May 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP	374,816	$7.8m	0.07%	Added	+205,091	15 May 2026 (the filing on sec.gov)
ExodusPoint Capital Management LP	348,331	$7.3m	0.06%	New	new	14 May 2026 (the filing on sec.gov)
Balyasny Asset Management LLC	290,618	$6.1m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Susquehanna International Group LLP	288,894	$6.0m	under 0.1%	Added	+77,346	15 May 2026 (the filing on sec.gov)
Neuberger Berman Group LLC† Value as filed implies a price far from other filers'.	139,474	$2.7m	under 0.1%	Trimmed	-7,013	27 Oct 2026 (the filing on sec.gov)
AllianceBernstein LP	131,707	$2.6m	under 0.1%	Trimmed	-12,739	15 May 2026 (the filing on sec.gov)
Quantbot Technologies LP	109,273	$2.3m	0.09%	New	new	13 May 2026 (the filing on sec.gov)
Hudson Bay Capital Management LP	101,060	$2.1m	under 0.1%	Added	+26,060	13 May 2026 (the filing on sec.gov)
Two Sigma Investments LP	81,602	$1.7m	under 0.1%	Trimmed	-36,839	15 May 2026 (the filing on sec.gov)
Walleye Capital LLC	65,885	$1.4m	under 0.1%	Trimmed	-75,409	13 May 2026 (the filing on sec.gov)

Page 1 of 2

Largest increases and reductions, by shares

Q4 2025 to Q1 2026, among managers that listed it in both quarters or opened it.

Increases

Millennium Management LLCexisting position · 5,046,668 shares now+3,842,862
Janus Henderson Group Ltdnew position · 1,243,668 shares now+1,243,668
Acadian Asset Management LLCexisting position · 10,735,919 shares now+949,919
Voloridge Investment Management LLCexisting position · 2,295,496 shares now+912,440
Citadel Advisors LLCexisting position · 1,249,281 shares now+777,048

Reductions

Invesco Ltdexisting position · 6,365,432 shares now-3,029,867
Arrowstreet Capital LPexisting position · 6,747,236 shares now-2,710,062
D. E. Shaw & Co.existing position · 1,817,836 shares now-588,500
Man Group PLCexisting position · 2,185,035 shares now-560,628
Fidelity (FMR LLC)existing position · 6,616,248 shares now-473,006

New positions and exits

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

New (9)

Exited (2)

T. Rowe Price Associates Incwas $17m
Woodline Partners LPwas $8.9m

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.

6 in Q3 2024 to 6 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.

HBM by quarter
Quarter	Holders	Reported value	Buyers	Sellers
Q2 2013	1	$53m	n.a.	n.a.
Q3 2013	1	$65m	n.a.	n.a.
Q4 2013	1	$102m	n.a.	n.a.
Q1 2014	1	$97m	n.a.	n.a.
Q2 2014	2	$222m	n.a.	n.a.
Q3 2014	2	$120m	n.a.	n.a.
Q4 2014	2	$123m	n.a.	n.a.
Q1 2015	2	$120m	n.a.	n.a.
Q2 2015	2	$122m	n.a.	n.a.
Q3 2015	2	$54m	n.a.	n.a.
Q4 2015	2	$86m	n.a.	n.a.
Q1 2016	2	$82m	n.a.	n.a.
Q2 2016	2	$112m	n.a.	n.a.
Q3 2016	2	$53m	n.a.	n.a.
Q4 2016	1	$63m	n.a.	n.a.
Q1 2017	3	$92m	n.a.	n.a.
Q2 2017	2	$40m	n.a.	n.a.
Q3 2017	4	$70m	n.a.	n.a.
Q4 2017	5	$101m	n.a.	n.a.
Q1 2018	5	$151m	n.a.	n.a.
Q2 2018	5	$86m	n.a.	n.a.
Q3 2018	2	$32m	n.a.	n.a.
Q4 2018	2	$40m	n.a.	n.a.
Q1 2019	2	$51m	n.a.	n.a.
Q2 2019	3	$41m	n.a.	n.a.
Q3 2019	1	$937k	n.a.	n.a.
Q2 2020	1	$1.4m	n.a.	n.a.
Q3 2020	2	$9.9m	n.a.	n.a.
Q4 2020	4	$114m	n.a.	n.a.
Q1 2021	3	$109m	n.a.	n.a.
Q2 2021	2	$55m	n.a.	n.a.
Q1 2022	1	$736k	n.a.	n.a.
Q3 2022	1	$347k	n.a.	n.a.
Q4 2022	4	$27m	n.a.	n.a.
Q1 2023	4	$42m	n.a.	n.a.
Q2 2023	4	$42m	n.a.	n.a.
Q3 2023	5	$23m	n.a.	n.a.
Q4 2023	3	$9.4m	2	1
Q1 2024	4	$16m	2	2
Q2 2024	9	$104m	8	1
Q3 2024	6	$61m	6	1
Q4 2024	7	$106m	6	2
Q1 2025	5	$67m	4	2
Q2 2025	10	$177m	6	4
Q3 2025	8	$387m	6	3
Q4 2025	8	$536m	11	19
Q1 2026	12	$641m	18	15
Q2 2026	6	$411m	12	22

Compare with…

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

HBM and LIN →HBM and GLW →HBM and HWM →Choose a stock to compare with HBM →

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 HBM, latest filings →Back to the 13F Explorer →

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