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DDD in the 13F filings

3-d Sys Corp Del · CUSIP 88554D205

Sector · Software and IT servicesTheme · Cloud and enterprise software· L3VLUP-definedTheme · Prepackaged software
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Quarter end
30 Jun 2026
the date the book describes
Filed
27 Oct 2026
latest of these filings; the earliest 3 Aug 2026
Managers listing it
22
at least, of 95 tracked, among listed positions
Comparable managers
91
filed both Q1 2026 and Q2 2026; 1 listed it in both
Shares listed
28,549,748
combined, among listed positions
Reported value
$86m
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: 15 buyers (opened or added shares) and 12 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -918,382.

Managers listing DDD in Q2 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q1 2026, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

22 of 22 holders

ActionFiling
Two Sigma Investments LP6,561,957$20munder 0.1%Added+704,35114 Aug 2026 (the filing on sec.gov)
D. E. Shaw & Co.4,258,980$13munder 0.1%Added+269,76014 Aug 2026 (the filing on sec.gov)
Marshall Wace LLP3,931,656$12munder 0.1%Added+745,96113 Aug 2026 (the filing on sec.gov)
Acadian Asset Management LLC2,855,561$8.6munder 0.1%Added+2,682,32613 Aug 2026 (the filing on sec.gov)
Balyasny Asset Management LLC1,759,470$5.3munder 0.1%Added+1,743,80214 Aug 2026 (the filing on sec.gov)
Renaissance Technologies LLC1,632,334$4.9munder 0.1%Added+472,78413 Aug 2026 (the filing on sec.gov)
Tudor Investment Corp1,249,045$3.8munder 0.1%Added+153,55414 Aug 2026 (the filing on sec.gov)
Millennium Management LLC1,078,080$3.3munder 0.1%Trimmed-608,23214 Aug 2026 (the filing on sec.gov)
Citadel Advisors LLC1,073,981$3.2munder 0.1%Trimmed-1,017,3762 Sep 2026 (the filing on sec.gov)
ARK Investment Management LLC1,032,786$3.1munder 0.1%Added+117,58614 Aug 2026 (the filing on sec.gov)
AQR Capital Management LLC824,638$2.5munder 0.1%Added+337,54914 Aug 2026 (the filing on sec.gov)
Susquehanna International Group LLP709,799$2.1munder 0.1%Trimmed-435,18514 Aug 2026 (the filing on sec.gov)
Invesco Ltd527,836$1.6munder 0.1%Trimmed-18,76814 Aug 2026 (the filing on sec.gov)
Jane Street Group LLC281,803$851kunder 0.1%Trimmed-981,24114 Aug 2026 (the filing on sec.gov)
Squarepoint Ops LLC256,225$774kunder 0.1%Newnew14 Aug 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc193,116$584kunder 0.1%Added+44,42614 Aug 2026 (the filing on sec.gov)
Caxton Associates LLP118,230$357kunder 0.1%Newnew14 Aug 2026 (the filing on sec.gov)
AllianceBernstein LP139,100$262kunder 0.1%Added+17,60014 Aug 2026 (the filing on sec.gov)
Walleye Capital LLC28,767$87kunder 0.1%Newnew3 Aug 2026 (the filing on sec.gov)
Winton Group Ltd18,600$56kunder 0.1%Newnew7 Aug 2026 (the filing on sec.gov)
Neuberger Berman Group LLC10,765$33kunder 0.1%Trimmed-1,99827 Oct 2026 (the filing on sec.gov)
Fidelity (FMR LLC)7,019$21kunder 0.1%Trimmed-57613 Aug 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

Q1 2026 to Q2 2026, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

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

New (4)

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 2024 to 1 in Q2 2026

Tracked managers listing it, at least.

024682014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
DDD by quarter
QuarterHoldersReported valueBuyersSellers
Q2 20135$372mn.a.n.a.
Q3 20136$354mn.a.n.a.
Q4 20133$87mn.a.n.a.
Q1 20143$92mn.a.n.a.
Q2 20147$256mn.a.n.a.
Q3 20144$159mn.a.n.a.
Q4 20144$106mn.a.n.a.
Q1 20153$34mn.a.n.a.
Q2 20152$80mn.a.n.a.
Q3 20153$48mn.a.n.a.
Q4 20152$28mn.a.n.a.
Q1 20164$25mn.a.n.a.
Q2 20161$6.2mn.a.n.a.
Q3 20162$8.5mn.a.n.a.
Q4 20162$10mn.a.n.a.
Q1 20175$25mn.a.n.a.
Q2 20174$35mn.a.n.a.
Q3 20173$20mn.a.n.a.
Q4 20173$27mn.a.n.a.
Q1 20183$15mn.a.n.a.
Q2 20183$19mn.a.n.a.
Q3 20185$74mn.a.n.a.
Q4 20184$4.1mn.a.n.a.
Q1 20194$16mn.a.n.a.
Q2 20193$13mn.a.n.a.
Q3 20193$12mn.a.n.a.
Q4 20192$2.4mn.a.n.a.
Q1 20203$45mn.a.n.a.
Q2 20205$9.0mn.a.n.a.
Q3 20203$7.9mn.a.n.a.
Q4 20201$8.6mn.a.n.a.
Q1 20216$275mn.a.n.a.
Q2 20218$705mn.a.n.a.
Q3 20214$222mn.a.n.a.
Q4 20211$120mn.a.n.a.
Q1 20221$65mn.a.n.a.
Q2 20221$40mn.a.n.a.
Q3 20221$31mn.a.n.a.
Q4 20221$27mn.a.n.a.
Q1 20231$39mn.a.n.a.
Q2 20232$38mn.a.n.a.
Q3 20233$17mn.a.n.a.
Q4 20232$22m20
Q1 20242$13m02
Q2 20242$9.9m20
Q3 20242$11m20
Q4 20242$15m10
Q1 20251$9.1m01
Q2 20251$2.2m01
Q3 20252$20m20
Q4 20251$1.7m159
Q1 20261$1.7m177
Q2 20261$3.1m1512

Compare with…

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

DDD and GOOGL →DDD and AMZN →DDD and MSFT →Choose a stock to compare with DDD →

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