FDMT in the 13F filings

4D Molecular Therapeutics In · CUSIP 35104E100

Sector · Pharmaceuticals and biotechnology Theme · Biological products Theme · Healthcare: biopharma and medtech· L3VLUP-defined

Quarter

Q2 2026 Q1 2026 Q4 2025 Q3 2024 Q2 2024 Q1 2024 Q4 2023 Q3 2023 Q2 2023 Q1 2023 Q4 2022 Q3 2022

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; 1 listed it in both
Shares listed: 7,479,731; combined, among listed positions
Reported value: $70m; 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: 8 buyers (opened or added shares) and 15 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -1,264,848.

Managers listing FDMT 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
Janus Henderson Group Ltd	5,247,151	$49m	under 0.1%	Added	+611,276	18 May 2026 (the filing on sec.gov)
Renaissance Technologies LLC	578,265	$5.4m	under 0.1%	Added	+65,365	14 May 2026 (the filing on sec.gov)
Invesco Ltd	310,684	$2.9m	under 0.1%	Added	+157,542	12 May 2026 (the filing on sec.gov)
Citadel Advisors LLC	264,096	$2.5m	under 0.1%	Added	+244,207	15 May 2026 (the filing on sec.gov)
Woodline Partners LP	200,001	$1.9m	under 0.1%	Held	0	15 May 2026 (the filing on sec.gov)
Susquehanna International Group LLP	124,228	$1.2m	under 0.1%	Trimmed	-1,785	15 May 2026 (the filing on sec.gov)
Two Sigma Investments LP	124,317	$1.2m	under 0.1%	Trimmed	-213,186	15 May 2026 (the filing on sec.gov)
Wellington Management Group LLP	108,872	$1.0m	under 0.1%	Trimmed	-21,380	15 May 2026 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC	101,110	$941k	under 0.1%	Trimmed	-60,872	15 May 2026 (the filing on sec.gov)
Fidelity (FMR LLC)	70,097	$653k	under 0.1%	Added	+4,448	15 May 2026 (the filing on sec.gov)
Squarepoint Ops LLC	62,513	$582k	under 0.1%	Trimmed	-9,208	15 May 2026 (the filing on sec.gov)
AQR Capital Management LLC	45,777	$426k	under 0.1%	Added	+9,693	15 May 2026 (the filing on sec.gov)
AllianceBernstein LP	55,100	$413k	under 0.1%	Held	0	15 May 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc	42,447	$396k	under 0.1%	Added	+3,700	15 May 2026 (the filing on sec.gov)
Jane Street Group LLC	39,694	$370k	under 0.1%	Trimmed	-185,209	12 May 2026 (the filing on sec.gov)
Man Group PLC	28,983	$270k	under 0.1%	Added	+1,949	15 May 2026 (the filing on sec.gov)
D. E. Shaw & Co.	24,030	$224k	under 0.1%	Trimmed	-87,792	15 May 2026 (the filing on sec.gov)
Acadian Asset Management LLC	20,109	$186k	under 0.1%	Trimmed	-10,022	13 May 2026 (the filing on sec.gov)
Marshall Wace LLP	16,728	$156k	under 0.1%	Trimmed	-11,030	15 May 2026 (the filing on sec.gov)
ExodusPoint Capital Management LP	15,529	$145k	under 0.1%	Trimmed	-23,646	14 May 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

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

Increases

Janus Henderson Group Ltdexisting position · 5,247,151 shares now+611,276
Citadel Advisors LLCexisting position · 264,096 shares now+244,207
Invesco Ltdexisting position · 310,684 shares now+157,542
Renaissance Technologies LLCexisting position · 578,265 shares now+65,365
AQR Capital Management LLCexisting position · 45,777 shares now+9,693

Reductions

Two Sigma Investments LPexisting position · 124,317 shares now-213,186
Jane Street Group LLCexisting position · 39,694 shares now-185,209
D. E. Shaw & Co.existing position · 24,030 shares now-87,792
Schonfeld Strategic Advisors LLCexisting position · 101,110 shares now-60,872
ExodusPoint Capital Management LPexisting position · 15,529 shares now-23,646

New positions and exits

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

New (0)

No new position among listed positions.

Exited (5)

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 2023 to 1 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.

FDMT by quarter
Quarter	Holders	Reported value	Buyers	Sellers
Q4 2020	4	$172m	n.a.	n.a.
Q1 2021	2	$175m	n.a.	n.a.
Q2 2021	2	$96m	n.a.	n.a.
Q3 2021	2	$109m	n.a.	n.a.
Q4 2021	2	$89m	n.a.	n.a.
Q1 2022	1	$60m	n.a.	n.a.
Q2 2022	1	$27m	n.a.	n.a.
Q3 2022	1	$32m	n.a.	n.a.
Q4 2022	3	$120m	n.a.	n.a.
Q1 2023	2	$100m	n.a.	n.a.
Q2 2023	2	$138m	n.a.	n.a.
Q3 2023	2	$96m	n.a.	n.a.
Q4 2023	2	$160m	1	0
Q1 2024	5	$211m	4	1
Q2 2024	3	$130m	0	3
Q3 2024	1	$34m	0	2
Q4 2025	1	$35m	16	10
Q1 2026	1	$49m	8	15
Q2 2026	1	$76m	14	6

Compare with…

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

FDMT and GILD →FDMT and AMGN →FDMT and ARGX →Choose a stock to compare with FDMT →

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

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