Alpha Teknova, Inc.: which funds bought and sold

Institutions that bought and sold Alpha Teknova shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 47 institutions that filed 13F reports for both quarters added to or opened positions in Alpha Teknova, and 27 cut or closed them. Together they added a net 1.5M shares, +19.4% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 148K shares (+7.8%); index fund managers were net buyers of 1.4M shares (+73.8%). 12 opened a new position and 8 sold out entirely.

Bought, Q2 2026 47 institutions, 12 of them new holders Sold, Q2 2026 27 institutions, 8 of them sold out

Net change, all compared +1.5M shares (+19.4%)

Net change, active managers +148K shares (+7.8%), 5 bought, 7 sold

Buyers versus sellers

institutions compared, 88

47 bought 14 27 sold

Active managers and hedge funds 5 bought · 7 sold · +148K

Index fund managers 9 bought · 1 sold · +1.4M

Other institutions 33 bought · 19 sold · −67K

Biggest buyers

by change in shares held

Biggest buyers
Institution	Change in shares	Shares June 30, 2026	Value
Vanguard Capital Management LLC Index funds	+1.2M +265.3%	1.6M	$9.2M
Royce & Associates LP Active manager	+592K +55.4%	1.7M	$9.4M
UBS Group AG	+307K +94.4%	632K	$3.6M
Blackrock, Inc. Index funds	+163K +22.7%	880K	$5M
Wells Fargo & Company	+65K +1652.5%	69K	$393,198
Goldman Sachs Group Inc	+54K +45.2%	172K	$977,057
Gsa Capital Partners LLP	+53K New position	53K	$303,000
AQR Capital Management LLC Hedge fund	+47K +71.3%	114K	$646,236
Walleye Capital LLC Hedge fund	+46K New position	46K	$263,336
Vanguard Fiduciary Trust Co Index funds	+28K +37.8%	103K	$587,693
Bank Of America Corp	+27K +12.0%	256K	$1.5M
Bridgeway Capital Management, LLC Active manager	+25K +44.7%	81K	$459,512
Susquehanna International Group, LLP	+20K New position	20K	$115,412
Nano Cap New Millennium Growth Fund L P	+18K +35.0%	68K	$383,400
Charles Schwab Investment Management Inc Index funds	+15K +95.0%	31K	$174,393
Xtx Topco Ltd	+14K New position	14K	$77,242
Vanguard Portfolio Management LLC Index funds	+12K +17.9%	76K	$432,032
Ieq Capital, LLC	+11K New position	11K	$62,389
Alliancebernstein L.P. Active manager	+10K New position	10K	$29,189
State Street Corp Index funds	+9,796 +6.3%	165K	$936,547

Biggest buyers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
Royce & Associates LP Active manager	+592K +55.4%	1.7M	$9.4M
AQR Capital Management LLC Hedge fund	+47K +71.3%	114K	$646,236
Walleye Capital LLC Hedge fund	+46K New position	46K	$263,336
Bridgeway Capital Management, LLC Active manager	+25K +44.7%	81K	$459,512
Alliancebernstein L.P. Active manager	+10K New position	10K	$29,189

Biggest sellers

by change in shares held

Biggest sellers
Institution	Change in shares	Shares June 30, 2026	Value
Millennium Management LLC Hedge fund	−372K −83.2%	75K	$425,807
Roubaix Capital, LLC	−303K −16.1%	1.6M	$9M
Massar Capital Management, LP	−200K Sold out	0	—
Squarepoint Ops LLC Hedge fund	−88K −71.1%	36K	$204,185
Mount Lucas Management LP	−70K Sold out	0	—
Marshall Wace, LLP Hedge fund	−45K Sold out	0	—
Citadel Advisors LLC Hedge fund	−37K −60.9%	24K	$133,940
Deutsche Bank Ag\	−25K −69.4%	11K	$61,992
Jane Street Group, LLC	−25K −40.1%	37K	$209,291
Two Sigma Investments, LP Hedge fund	−19K Sold out	0	—
Morgan Stanley	−18K −15.5%	99K	$561,178
R Squared Ltd	−14K Sold out	0	—
Exoduspoint Capital Management, LP Hedge fund	−11K Sold out	0	—
Northern Trust Corp Index funds	−5,764 −6.0%	90K	$512,416
Tower Research Capital LLC (TRC)	−3,761 −62.6%	2,244	$12,746
Conestoga Capital Advisors, LLC	−2,530 −0.8%	315K	$1.8M
China Universal Asset Management Co., Ltd.	−966 −10.2%	8,533	$48,467
FMR LLC Active manager	−707 −6.1%	11K	$62,236
Essential Partners LLC	−629 −79.1%	166	$943
California State Teachers Retirement System	−435 −74.1%	152	$863

Biggest sellers, active managers and hedge funds
Institution	Change in shares	Shares June 30, 2026	Value
Millennium Management LLC Hedge fund	−372K −83.2%	75K	$425,807
Squarepoint Ops LLC Hedge fund	−88K −71.1%	36K	$204,185
Marshall Wace, LLP Hedge fund	−45K Sold out	0	—
Citadel Advisors LLC Hedge fund	−37K −60.9%	24K	$133,940
Two Sigma Investments, LP Hedge fund	−19K Sold out	0	—
Exoduspoint Capital Management, LP Hedge fund	−11K Sold out	0	—
FMR LLC Active manager	−707 −6.1%	11K	$62,236

New positions

largest by value

Institution	Shares	Value June 30, 2026
Gsa Capital Partners LLP	53K	$303,000
Walleye Capital LLCHedge fund	46K	$263,336
Susquehanna International Group, LLP	20K	$115,412
Xtx Topco Ltd	14K	$77,242
Ieq Capital, LLC	11K	$62,389
Alliancebernstein L.P.Active manager	10K	$29,189
Integrated Wealth Concepts LLC	750	$4,260
Fortitude Family Office, LLC	14	$80
Clearstead Advisors, LLC	7	$40
Wealth Enhancement Trust Services, Inc.	5	$28

Sold out

largest by value

Institution	Shares	Value March 31, 2026
Massar Capital Management, LP	200K	$578,000
Mount Lucas Management LP	70K	$202,300
Marshall Wace, LLPHedge fund	45K	$130,532
Two Sigma Investments, LPHedge fund	19K	$55,248
R Squared Ltd	14K	$41,547
Exoduspoint Capital Management, LPHedge fund	11K	$31,047
Sbi Securities Co., Ltd.	24	$69
Mai Capital Management	13	$38

Who holds the shares

13F holdings at June 30, 2026

Institutions reporting: 80
Ten largest holders: 83.3%
Index fund managers: 36.2%
Active managers and hedge funds: 22.6%

Buying and selling by type of institution, March 31, 2026 to June 30, 2026
Type	Bought	Sold	New	Sold out	Net change in shares	Net %
Active managers and hedge funds	5	7	2	3	+148K	+7.8%
Index fund managers	9	1	0	0	+1.4M	+73.8%
Other institutions	33	19	10	5	−67K	−1.8%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

What these filings can and cannot tell you

Form 13F lists the long positions in US-listed shares held by investment managers with more than $100 million in such holdings. Managers file it up to 45 days after each quarter ends, so this page shows what funds held at the end of each quarter, not what they are doing now: a position may have changed since. Short positions, most derivatives and smaller managers are not included, and a cut can mean a fund lost clients or rebalanced rather than a view on Alpha Teknova.

Only managers that filed a holdings report for both quarters are compared (88 here). 2 other holders are left out: first-time or late filers, firms that changed their SEC registration, and filings that withheld positions under confidential treatment, any of which would otherwise look like a new position or a sale. Figures are as reported by each manager in the SEC's quarterly 13F data sets; option positions are excluded.

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