Vault-13

CENTURY THERAPEUTICS INC IPSC

COM · Common Stock · CUSIP 15673T100

Company in Philadelphia, United States

66 institutional holders -5 vs Q1 2025
22,613,74022.6m shares reported held*
26.2% of all shares outstanding*
$12.6mreported value*
20 new 15 added 21 reduced 26 sold out net sold ≈ $3.9m (-7.0m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 86.4m as of 2025-08-01, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $0.56. Options: 2 managers hold calls ($18.7k notional), 1 hold puts ($0).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

0255075Q3 22: 54Q4 22: 66Q1 23: 65Q2 23: 65Q3 23: 56Q4 23: 64Q1 24: 68Q2 24: 62Q3 24: 68Q4 24: 73Q1 25: 71Q2 25: 6666Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 202254
Q4 202266
Q1 202365
Q2 202365
Q3 202356
Q4 202364
Q1 202468
Q2 202462
Q3 202468
Q4 202473
Q1 202571
Q2 202566

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
50050Q3 23: 21 bought or addedQ3 23: 33 cut or sold outQ4 23: 36 bought or addedQ4 23: 25 cut or sold outQ4 23Q1 24: 29 bought or addedQ1 24: 31 cut or sold outQ2 24: 37 bought or addedQ2 24: 27 cut or sold outQ2 24Q3 24: 30 bought or addedQ3 24: 21 cut or sold outQ4 24: 43 bought or addedQ4 24: 20 cut or sold outQ4 24Q1 25: 22 bought or addedQ1 25: 36 cut or sold outQ2 25: 35 bought or addedQ2 25: 47 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 20232133
Q4 20233625
Q1 20242931
Q2 20243727
Q3 20243021
Q4 20244320
Q1 20252236
Q2 20253547

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$5k$10k$15k$20kQ3 24 calls: $14.9kQ3 24 puts: $17.4kQ3 24P/C 1.17Q4 24 calls: $9.8kQ4 24 puts: $1.5kQ4 24P/C 0.15Q1 25 calls: $5.8kQ1 25 puts: $0Q1 25P/C 0.00Q2 25 calls: $18.7kQ2 25 puts: $0Q2 25P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2024$14.9k$17.4k1.17
Q4 2024$9.8k$1.5k0.15
Q1 2025$5.8k$00.00
Q2 2025$18.7k$00.00

Biggest buyers

RENAISSANCE TECHNOLOGIES LLC Added +837,182+837.2k
MILLENNIUM MANAGEMENT LLC New +812,213+812.2k
TWO SIGMA INVESTMENTS, LP Added +486,538+486.5k
GSA CAPITAL PARTNERS LLP New +466,606+466.6k
JANE STREET GROUP, LLC New +444,590+444.6k
TWO SIGMA ADVISERS, LP Added +290,200+290.2k
CITADEL ADVISORS LLC Added +177,425+177.4k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +142,516+142.5k
MARSHALL WACE, LLP New +139,707+139.7k
HRT FINANCIAL LP New +111,064+111.1k

Biggest sellers

Venrock Adviser, LLC Sold out -2,498,069-2.5m
BlackRock, Inc. Reduced -2,093,832-2.1m
Casdin Capital, LLC Reduced -1,984,126-2.0m
FMR LLC Reduced -1,574,131-1.6m
STATE STREET CORP Reduced -718,778-718.8k
GEODE CAPITAL MANAGEMENT, LLC Reduced -589,983-590.0k
VANGUARD GROUP INC Reduced -267,412-267.4k
BAKER BROS. ADVISORS LP Sold out -241,684-241.7k
NORTHERN TRUST CORP Reduced -222,601-222.6k
Nuveen, LLC Sold out -157,311-157.3k

Biggest calls

CITADEL ADVISORS LLC Added $18.7k33.4k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
RA CAPITAL MANAGEMENT, L.P. 13G · passive investor new · filed 2026-01-16 9.9% new 17.9m≈ $44.0m 2026-01-16
TCG Crossover GP II, LLC 13G · passive investor new · filed 2026-01-15 9.9% new 17.8m≈ $43.5m 2026-01-15
Deep Track Capital, LP 13G · passive investor new · filed 2026-01-15 7.3% new 13.5m≈ $33.0m 2026-01-15
RTW INVESTMENTS, LP 13G · institution new · filed 2026-05-15 7.1% new 13.0m≈ $32.0m 2026-05-15
Venrock Healthcare Capital Partners III, L.P. 13G · passive investor +2.4 pts · filed 2026-01-16 7.1% +2.4 pts 13.0m≈ $32.0m 2026-01-16
Commodore Capital LP 13G · passive investor new · filed 2026-01-16 7.1% new 13.0m≈ $32.0m 2026-01-16

Fell to 5% or below in the last year: Point72 Asset Management, L.P. (3.3%, 2026-05-15), Bain Capital Life Sciences Opportunities III, LP (4.1%, 2025-11-14)

Insider purchases and sales in Q2 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 0 sellingQ4 23Q1 24: 0 buyingQ1 24: 2 sellingQ2 24: 0 buyingQ2 24: 3 sellingQ2 24Q3 24: 1 buyingQ3 24: 3 sellingQ4 24: 0 buyingQ4 24: 2 sellingQ4 24Q1 25: 0 buyingQ1 25: 4 sellingQ2 25: 0 buyingQ2 25: 4 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20230—0——
Q1 20240—2$292.7k—
Q2 20240—3$78.9k$75.3k
Q3 20241$7.7k3$8.5k$6.0k
Q4 20240—2$1.6k—
Q1 20250—4$33.3k—
Q2 20250—4$21.0k—
DateInsiderTradeSharesPrice ValueTheir holding
2025-06-09 Carr Douglas SVP Finance & Operations Sold 4,904 $0.62 $3.0k4.9k shares -1%
2025-06-09 Farid Adrienne Chief Operations Officer Sold 552 $0.62 $342552 shares -<1%
2025-06-09 Russotti Gregory Officer Sold 526 $0.62 $326526 shares -<1%
2025-06-09 Pfeiffenberger Brent President and CEO, director Sold 475 $0.62 $294475 shares -<1%
2025-05-16 Pfeiffenberger Brent President and CEO, director Sold 29,552 $0.55 $16.3k29.6k shares -2%
2025-05-05 Farid Adrienne Chief Operations Officer Sold 1,024 $0.55 $5631.0k shares -<1%
2025-05-05 Carr Douglas SVP Finance & Operations Sold 295 $0.55 $162295 shares -<1%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Bain Capital Life Sciences Investors, LLC 0.38% of their portfolio Boston, MA 5,410,3615.4m $3.0m $3.0m 0.38% Unchanged
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 2,110,0822.1m $1.2m $1.2m 0.00% Reduced -267.4k -267,412
3 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 2,022,5002.0m $1.1m $1.1m 0.00% Added +837.2k +837,182
4 DAFNA Capital Management LLC 0.26% of their portfolio LOS ANGELES, CA 1,704,2321.7m $952.2k $952.2k 0.26% Unchanged
5 Casdin Capital, LLC 0.06% of their portfolio New York, NY 1,228,1901.2m $686.2k $686.2k 0.06% Reduced -2.0m -1,984,126
6 Syncona Portfolio Ltd 1.76% of their portfolio St Peter Port, Guernsey, X0 1,213,0561.2m $678.1k $678.1k 1.76% Unchanged
7 FMR LLC 0.00% of their portfolio BOSTON, MA 1,020,6141.0m $570.2k $570.2k 0.00% Reduced -1.6m -1,574,131
8 BlackRock, Inc. 0.00% of their portfolio New York, NY 924,683924.7k $516.6k $516.6k 0.00% Reduced -2.1m -2,093,832
9 TANG CAPITAL MANAGEMENT LLC 0.03% of their portfolio SAN DIEGO, CA 900,000900.0k $502.8k $502.8k 0.03% Unchanged
10 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 812,213812.2k $453.8k $453.8k 0.00% New
11 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 572,544572.5k $319.9k $319.9k 0.00% Added +486.5k +486,538
12 GSA CAPITAL PARTNERS LLP 0.02% of their portfolio LONDON, X0 466,606466.6k $261.0k $261.0k 0.02% New
13 SUPERSTRING CAPITAL MANAGEMENT LP 0.32% of their portfolio NEW YORK, NY 462,963463.0k $258.7k $258.7k 0.32% Unchanged
14 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 444,590444.6k $248.4k $248.4k 0.00% New
15 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 380,277380.3k $212.5k $212.5k 0.00% Reduced -590.0k -589,983
16 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 367,100367.1k $205.1k $205.1k 0.00% Added +290.2k +290,200
17 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 307,097307.1k $170.0k $170.0k 0.00% Added +22.9k +22,868
18 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 275,978276.0k $154.2k $154.2k 0.00% Added +96.3k +96,343
19 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 199,951200.0k $111.7k $111.7k 0.00% Added +142.5k +142,516
20 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 186,534186.5k $104.2k $104.2k 0.00% Added +177.4k +177,425
21 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 163,377163.4k $91.3k $91.3k 0.00% Reduced -107.4k -107,443
22 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 147,168147.2k $82.2k $82.2k 0.00% Added +36.1k +36,089
23 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 139,707139.7k $78.2k $78.2k 0.00% New
24 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 127,443127.4k $71.2k $71.2k 0.00% Reduced -718.8k -718,778
25 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 111,064111.1k $62.0k $62.0k 0.00% New
26 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 91,32391.3k $51.0k $51.0k 0.00% New
27 Y-Intercept (Hong Kong) Ltd 0.00% of their portfolio HONG KONG, K3 89,97590.0k $50.3k $50.3k 0.00% New
28 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 81,24781.2k $45.1k $45.1k 0.00% Reduced -3.8k -3,836
29 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 67,73767.7k $37.8k $37.8k 0.00% New
30 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 67,00067.0k $37.4k $37.4k 0.00% Reduced -222.6k -222,601
31 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 62,94762.9k $35.0k $35.0k 0.00% New
32 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 45,40045.4k $25.4k $25.4k 0.00% New
33 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 40,48040.5k $22.6k $22.6k 0.00% Reduced -92.4k -92,449
34 Jain Global LLC 0.00% of their portfolio NEW YORK, NY 40,27640.3k $22.5k $22.5k 0.00% New
35 Point72 Asia (Singapore) Pte. Ltd. 0.00% of their portfolio SINGAPORE, U0 36,88436.9k $20.6k $20.6k 0.00% New
36 HarbourVest Partners LLC 0.02% of their portfolio Boston, MA 29,01829.0k $16.2k $16.2k 0.02% Unchanged
37 UBS Group AG 0.00% of their portfolio ZURICH, V8 28,02628.0k $15.7k $15.7k 0.00% Added +8.5k +8,490
38 Parametrica Management Ltd 0.03% of their portfolio WANCHAI, K3 27,84027.8k $15.6k $15.6k 0.03% Unchanged
39 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio HOUSTON, TX 26,70026.7k $14.9k $14.9k 0.00% Reduced -93.8k -93,800
40 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 22,41922.4k $12.5k $12.5k 0.00% Reduced -422 -422
41 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 22,36222.4k $12.5k $12.5k 0.00% Added +4.9k +4,854
42 Abel Hall, LLC 0.00% of their portfolio BATON ROUGE, LA 17,58217.6k $9.8k $9.8k 0.00% New
43 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 15,97316.0k $8.9k $8.9k 0.00% Reduced -16.9k -16,886
44 Quadrant Private Wealth Management, LLC 0.00% of their portfolio Center Valley, PA 15,28615.3k $8.5k $8.5k 0.00% New
45 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 12,19712.2k $6.8k $6.8k 0.00% Reduced -35.0k -35,012
46 TWO SIGMA SECURITIES, LLC 0.00% of their portfolio NEW YORK, NY 11,76711.8k $6.6k $6.6k 0.00% New
47 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 11,34011.3k $6.3k $6.3k 0.00% Reduced -46.1k -46,127
48 Ground Swell Capital, LLC 0.01% of their portfolio FOLLY BEACH, SC 10,17610.2k $5.7k $5.7k 0.01% New
49 Advisors Asset Management, Inc. 0.00% of their portfolio Monument, CO 8,4988.5k $4.7k $4.7k 0.00% New
50 CWM, LLC 0.00% of their portfolio OMAHA, NE 8,1518.2k $5.0k $5.0k 0.00% Added +1.3k +1,302
51 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 6,2746.3k $3.5k $3.5k 0.00% Reduced -753 -753
52 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 3,6813.7k $2.1k $2.1k 0.00% Reduced -601 -601
53 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 3,2903.3k $1.8k $1.8k 0.00% Reduced -25.6k -25,583
54 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 2,6372.6k $1.5k $1.5k 0.00% Reduced -66.9k -66,853
55 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 1,9782.0k $1.1k $1.1k 0.00% New
56 Point72 (DIFC) Ltd 0.00% of their portfolio DUBAI, C0 1,7491.7k $977 $977 0.00% New
57 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 1,5301.5k $855 $855 0.00% Added +400 +400
58 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 1,2621.3k $705 $705 0.00% Added +962 +962
59 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 861861 $481 $481 0.00% Reduced -28.0k -27,977
60 MARK SHEPTOFF FINANCIAL PLANNING, LLC 0.00% of their portfolio GLASTONBURY, CT 500500 $279 $279 0.00% Unchanged
61 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 455455 $254 $254 0.00% Added +414 +414
62 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 266266 $149 $149 0.00% Added +211 +211
63 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 198198 $0 $0 0.00% Reduced -5.7k -5,693
64 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 119119 $66 $66 0.00% First filing
65 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 66 $3 $3 0.00% New
66 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged