StreetAlpha
Serina Therapeutics, Inc. · 13F filings

SER Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Serina Therapeutics, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 27 funds reported holding SER at Jun 30, 2026, together owning 5.5% of the company.

← SER stock page

Fund sentiment
Bullish
Strongly bearishNeutralStrongly bullish
  • ▲10 buying vs 7 selling
  • ●Held by funds -0.3 pts
  • ▲Funds holding +2
  • ●No superinvestor moves
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding27+2 vs Q1 2026
Held by funds5.5%−0.3 pts
Value held$2.7M1.4M shares
Put/call ratio–market makers left out

Funds holding and ownership

8 quarters
Q3 2024: 25 fundsQ3 '24Q4 2024: 25 fundsQ4 '24Q1 2025: 25 fundsQ1 '25Q2 2025: 23 fundsQ2 '25Q3 2025: 25 fundsQ3 '25Q4 2025: 22 fundsQ4 '25Q1 2026: 25 fundsQ1 '26Q2 2026: 27 fundsQ2 '265.5% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding2725+8.0%
In funds' top 1000–
13F shares1.4M1.5M−4.5%
Held by funds5.5%5.8%−0.3 pts
New positions47−42.9%
Increased65+20.0%
Reduced41+300.0%
Sold out35−40.0%
Calls (shares)00–
Puts (shares)00–
Put/call ratio–––

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 4 buyingQ4 2024: 5 sellingQ4 '24Q1 2025: 8 buyingQ1 2025: 9 sellingQ1 '25Q2 2025: 6 buyingQ2 2025: 10 sellingQ2 '25Q3 2025: 13 buyingQ3 2025: 6 sellingQ3 '25Q4 2025: 4 buyingQ4 2025: 9 sellingQ4 '25Q1 2026: 12 buyingQ1 2026: 6 sellingQ1 '26Q2 2026: 10 buyingQ2 2026: 7 sellingQ2 '26
Buying 10Selling 7latest quarter

Who owns SER

share of fund held shares
  • Index and passive funds19.1%
  • Active managers and hedge funds79.4%
  • Banks and brokers1.5%
  • Pensions, insurers and other0.0%

The top 10 holders own 98.8% of all SER shares that funds reported. Groups are our own grouping of filers by name.

Filed so far for Q3 2026

2 funds changed their position

Top holders

Q2 2026
#FundOf companySharesValueChange
1Sio Capital Management, LLC3.94%1M$1.9M0
2Vanguard Capital Management LLC0.64%162K$315K+3,062
3Waverly Advisors, LLC0.27%67K$131K0
4Geode Capital Management, LLC0.20%51K$99K−14K
5Keel Point, LLC0.08%22K$42K0
6Northern Trust Corp0.08%21K$40K+21K
7Vanguard Fiduciary Trust Co0.08%20K$39K0
8Avidian Wealth Enterprises, LLC0.07%19K$36K0
9Jane Street Group, LLC0.06%15K$30K−24K
10State Street Corp0.05%13K$25K0
🔒 15 more top holders. Create a free account or sign in to see them.

SER institutional ownership FAQ

Who owns the most SER stock?

In Q2 2026 13F filings the largest holder of SER was Sio Capital Management, LLC, followed by Vanguard Capital Management LLC and Waverly Advisors, LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of SER is owned by institutions?

Funds that file 13F reports held 5.5% of SER's shares at Jun 30, 2026, compared with 5.8% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying SER?

In Q2 2026, 10 funds bought SER (4 of them new positions) and 7 sold (3 sold out completely). Our fund sentiment for SER is bullish.

What is SER's institutional put/call ratio?

Too few option positions were reported for a meaningful ratio.

How current is this SER ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.